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C481706 (LQFP-176_L24.0-W24.0-P0.50-BL) — Symbol, Footprint IPC-7351B & 3D STEP Model

C481706

SemiconductorLQFP-176_L24.0-W24.0-P0.50-BL · 176 Pins · Pitch 0.50mmIPC TOLERANCE VARIATION5.0 (0)
SYNCHRONIZED 4D CROSS-PROBE MODETouch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
1. SYMBOL
U1 · C481706 (LQFP-176_L24.0-W24.0-P0.50-BL)1GND2GND3NCS04NCS15NCS26NCS37NLB/A08A19A210A311A412A513A614A715VDDIO16GND17A818A919A1020A1121A1222A1323A1424A1525A1626A1727A1828A1929VDDIO30GND31A2032A2133A2234A2335D036D137D238D339D440D541D642D743VDDCORE44VDDIO45GND46GND47D848D949D1050D1151D1252D1353D1454D1555PB19/TCLK056PB20/TIOA057PB21/TIOB058PB22/TCLK159VDDIO60GND61PB23/TIOA162PB24/TIOB163PB25/TCLK264PB26/TIOA265PB27/TIOB266PA0/TCLK367PA1/TIOA368PA2/TIOB369PA3/TCLK470PA4/TIOA471PA5/TIOB472PA6/TCLK573VDDIO74GND75PA7/TIOA576PA8/TIOB577PA9/IRQ078PA10/IRQ179PA11/IRQ280PA12/IRQ381PA13/FIQ82PA14/SCK083PA15/TXD084PA16/RXD085PA17/SCK186PA18/TXD1/NT87VDDCORE88VDDIO176VDDIO175VDDCORE174NUB/NWR1173NWE/NWR0172NOE/NRD171NWAIT170NRST169NTRST168TCK167TDO166TDI165TMS164JTAGSEL163PB18/BMS162GND161VDDIO160MCKO159NWDOVF158PB17157PB16156PB15155PB14154PB13153PB12152PB11151PB10150PB9149PB8148GND147VDDIO146PB7/AD1TRIG145PB6/AD0TRIG144PB5143PB4/IRQ5142PB3/IRQ4141PB2140PB1139PB0138NCS7137NCS6136NCS5135NCS4134GND133GND132VDDIO131VDDCORE130GNDA(1)129DA1(1)128DA0(1)127DAVREF(1)126ADVREF(1)125AD7(1)124AD6(1)123AD5(1)122AD4(1)121AD3(1)120AD2(1)119AD1(1)118AD0(1)117VDDA(1)116GNDBU(2)115SHDN(2)114WAKEUP(2)113GNDBU(2)112NRSTBU(2)111XOUT32(2)110XIN32(2)109VDDBU(2)108PLLRC107GNDPLL106XOUT105XIN104VDDPLL103GND102VDDIO101PA29/NPCS3100PA28/NPCS299PA27/NPCS198PA26/NPCS0/N97PA25/MOSI96PA24/MISO95PA23/SPCK94PA22/RXD293PA21/TXD292PA20/SCK291PA19/RXD190GND89GNDGrid Pitch = 2.54mm (IEEE-315)-15.2-10.2-5.105.110.215.2116.8111.8106.7101.696.591.486.481.376.271.166.061.055.950.845.740.635.630.525.420.315.210.25.10-5.1-10.2-15.2-20.3-25.4-30.5-35.6-40.6-45.7-50.8-55.9-61.0-66.0-71.1-76.2-81.3-86.4-91.4-96.5-101.6-106.7-111.8-116.8mm
2. 2D FOOTPRINT
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176E=24.00mm · Pitch e=0.50mmD=24.00mm-20-18-16-14-12-10-8-6-4-20246810121416182020181614121086420-2-4-6-8-10-12-14-16-18-20mm
3. 3D CAD MODEL
Package Body: 24.00mm × 24.00mm · Pitch: 0.50mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (176/176)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
PinSymbolTypeFunction (EN)
1GNDGNDGround Reference Pin (GND)
2GNDGNDGround Reference Pin (GND)
3NCS0I/OMultiplexed I/O & Peripheral Pin NCS0 (General)
4NCS1I/OMultiplexed I/O & Peripheral Pin NCS1 (General)
5NCS2I/OMultiplexed I/O & Peripheral Pin NCS2 (General)
6NCS3I/OMultiplexed I/O & Peripheral Pin NCS3 (General)
7NLB/A0I/OMultiplexed I/O & Peripheral Pin NLB/A0 (General)
8A1I/OMultiplexed I/O & Peripheral Pin A1 (General)
9A2I/OMultiplexed I/O & Peripheral Pin A2 (General)
10A3I/OMultiplexed I/O & Peripheral Pin A3 (General)
11A4I/OMultiplexed I/O & Peripheral Pin A4 (General)
12A5I/OMultiplexed I/O & Peripheral Pin A5 (General)
13A6I/OMultiplexed I/O & Peripheral Pin A6 (General)
14A7I/OMultiplexed I/O & Peripheral Pin A7 (General)
15VDDIOPowerPower Supply Input (VDDIO — 3.3V / 5.0V Standard Logic)
16GNDGNDGround Reference Pin (GND)
17A8I/OMultiplexed I/O & Peripheral Pin A8 (General)
18A9I/OMultiplexed I/O & Peripheral Pin A9 (General)
19A10I/OMultiplexed I/O & Peripheral Pin A10 (General)
20A11I/OMultiplexed I/O & Peripheral Pin A11 (General)
21A12I/OMultiplexed I/O & Peripheral Pin A12 (General)
22A13I/OMultiplexed I/O & Peripheral Pin A13 (General)
23A14I/OMultiplexed I/O & Peripheral Pin A14 (General)
24A15I/OMultiplexed I/O & Peripheral Pin A15 (General)
25A16I/OMultiplexed I/O & Peripheral Pin A16 (General)
26A17I/OMultiplexed I/O & Peripheral Pin A17 (General)
27A18I/OMultiplexed I/O & Peripheral Pin A18 (General)
28A19I/OMultiplexed I/O & Peripheral Pin A19 (General)
29VDDIOPowerPower Supply Input (VDDIO — 3.3V / 5.0V Standard Logic)
30GNDGNDGround Reference Pin (GND)
31A20I/OMultiplexed I/O & Peripheral Pin A20 (General)
32A21I/OMultiplexed I/O & Peripheral Pin A21 (General)
33A22I/OMultiplexed I/O & Peripheral Pin A22 (General)
34A23I/OMultiplexed I/O & Peripheral Pin A23 (General)
35D0I/OMultiplexed I/O & Peripheral Pin D0 (General)
36D1I/OMultiplexed I/O & Peripheral Pin D1 (General)
37D2I/OMultiplexed I/O & Peripheral Pin D2 (General)
38D3I/OMultiplexed I/O & Peripheral Pin D3 (General)
39D4I/OMultiplexed I/O & Peripheral Pin D4 (General)
40D5I/OMultiplexed I/O & Peripheral Pin D5 (General)
41D6I/OMultiplexed I/O & Peripheral Pin D6 (General)
42D7I/OMultiplexed I/O & Peripheral Pin D7 (General)
43VDDCOREPowerPower Supply Input (VDDCORE — 3.3V / 5.0V Standard Logic)
44VDDIOPowerPower Supply Input (VDDIO — 3.3V / 5.0V Standard Logic)
45GNDGNDGround Reference Pin (GND)
46GNDGNDGround Reference Pin (GND)
47D8I/OMultiplexed I/O & Peripheral Pin D8 (General)
48D9I/OMultiplexed I/O & Peripheral Pin D9 (General)
49D10I/OMultiplexed I/O & Peripheral Pin D10 (General)
50D11I/OMultiplexed I/O & Peripheral Pin D11 (General)
51D12I/OMultiplexed I/O & Peripheral Pin D12 (General)
52D13I/OMultiplexed I/O & Peripheral Pin D13 (General)
53D14I/OMultiplexed I/O & Peripheral Pin D14 (General)
54D15I/OMultiplexed I/O & Peripheral Pin D15 (General)
55PB19/TCLK0I/OMultiplexed I/O & Peripheral Pin PB19/TCLK0 (General)
56PB20/TIOA0I/OMultiplexed I/O & Peripheral Pin PB20/TIOA0 (General)
57PB21/TIOB0I/OMultiplexed I/O & Peripheral Pin PB21/TIOB0 (General)
58PB22/TCLK1I/OMultiplexed I/O & Peripheral Pin PB22/TCLK1 (General)
59VDDIOPowerPower Supply Input (VDDIO — 3.3V / 5.0V Standard Logic)
60GNDGNDGround Reference Pin (GND)
61PB23/TIOA1I/OMultiplexed I/O & Peripheral Pin PB23/TIOA1 (General)
62PB24/TIOB1I/OMultiplexed I/O & Peripheral Pin PB24/TIOB1 (General)
63PB25/TCLK2I/OMultiplexed I/O & Peripheral Pin PB25/TCLK2 (General)
64PB26/TIOA2I/OMultiplexed I/O & Peripheral Pin PB26/TIOA2 (General)
65PB27/TIOB2I/OMultiplexed I/O & Peripheral Pin PB27/TIOB2 (General)
66PA0/TCLK3I/OMultiplexed I/O & Peripheral Pin PA0/TCLK3 (General)
67PA1/TIOA3I/OMultiplexed I/O & Peripheral Pin PA1/TIOA3 (General)
68PA2/TIOB3I/OMultiplexed I/O & Peripheral Pin PA2/TIOB3 (General)
69PA3/TCLK4I/OMultiplexed I/O & Peripheral Pin PA3/TCLK4 (General)
70PA4/TIOA4I/OMultiplexed I/O & Peripheral Pin PA4/TIOA4 (General)
71PA5/TIOB4I/OMultiplexed I/O & Peripheral Pin PA5/TIOB4 (General)
72PA6/TCLK5I/OMultiplexed I/O & Peripheral Pin PA6/TCLK5 (General)
73VDDIOPowerPower Supply Input (VDDIO — 3.3V / 5.0V Standard Logic)
74GNDGNDGround Reference Pin (GND)
75PA7/TIOA5I/OMultiplexed I/O & Peripheral Pin PA7/TIOA5 (General)
76PA8/TIOB5I/OMultiplexed I/O & Peripheral Pin PA8/TIOB5 (General)
77PA9/IRQ0I/OMultiplexed I/O & Peripheral Pin PA9/IRQ0 (General)
78PA10/IRQ1I/OMultiplexed I/O & Peripheral Pin PA10/IRQ1 (General)
79PA11/IRQ2I/OMultiplexed I/O & Peripheral Pin PA11/IRQ2 (General)
80PA12/IRQ3I/OMultiplexed I/O & Peripheral Pin PA12/IRQ3 (General)
81PA13/FIQI/OMultiplexed I/O & Peripheral Pin PA13/FIQ (General)
82PA14/SCK0I/OMultiplexed I/O & Peripheral Pin PA14/SCK0 (SPI)
83PA15/TXD0I/OMultiplexed I/O & Peripheral Pin PA15/TXD0 (UART)
84PA16/RXD0I/OMultiplexed I/O & Peripheral Pin PA16/RXD0 (UART)
85PA17/SCK1I/OMultiplexed I/O & Peripheral Pin PA17/SCK1 (SPI)
86PA18/TXD1/NTRII/OMultiplexed I/O & Peripheral Pin PA18/TXD1/NTRI (UART)
87VDDCOREPowerPower Supply Input (VDDCORE — 3.3V / 5.0V Standard Logic)
88VDDIOPowerPower Supply Input (VDDIO — 3.3V / 5.0V Standard Logic)
89GNDGNDGround Reference Pin (GND)
90GNDGNDGround Reference Pin (GND)
91PA19/RXD1I/OMultiplexed I/O & Peripheral Pin PA19/RXD1 (UART)
92PA20/SCK2I/OMultiplexed I/O & Peripheral Pin PA20/SCK2 (SPI)
93PA21/TXD2I/OMultiplexed I/O & Peripheral Pin PA21/TXD2 (UART)
94PA22/RXD2I/OMultiplexed I/O & Peripheral Pin PA22/RXD2 (UART)
95PA23/SPCKI/OMultiplexed I/O & Peripheral Pin PA23/SPCK (General)
96PA24/MISOI/OMultiplexed I/O & Peripheral Pin PA24/MISO (SPI)
97PA25/MOSII/OMultiplexed I/O & Peripheral Pin PA25/MOSI (SPI)
98PA26/NPCS0/NSSI/OMultiplexed I/O & Peripheral Pin PA26/NPCS0/NSS (SPI)
99PA27/NPCS1I/OMultiplexed I/O & Peripheral Pin PA27/NPCS1 (General)
100PA28/NPCS2I/OMultiplexed I/O & Peripheral Pin PA28/NPCS2 (General)
101PA29/NPCS3I/OMultiplexed I/O & Peripheral Pin PA29/NPCS3 (General)
102VDDIOPowerPower Supply Input (VDDIO — 3.3V / 5.0V Standard Logic)
103GNDGNDGround Reference Pin (GND)
104VDDPLLPowerPower Supply Input (VDDPLL — 3.3V / 5.0V Standard Logic)
105XINI/OMultiplexed I/O & Peripheral Pin XIN (RTC/CLK)
106XOUTI/OMultiplexed I/O & Peripheral Pin XOUT (RTC/CLK)
107GNDPLLGNDGround Reference Pin (GNDPLL)
108PLLRCI/OMultiplexed I/O & Peripheral Pin PLLRC (General)
109VDDBU(2)PowerPower Supply Input (VDDBU(2) — 3.3V / 5.0V Standard Logic)
110XIN32(2)I/OMultiplexed I/O & Peripheral Pin XIN32(2) (RTC/CLK)
111XOUT32(2)I/OMultiplexed I/O & Peripheral Pin XOUT32(2) (RTC/CLK)
112NRSTBU(2)I/OMultiplexed I/O & Peripheral Pin NRSTBU(2) (General)
113GNDBU(2)GNDGround Reference Pin (GNDBU(2))
114WAKEUP(2)I/OMultiplexed I/O & Peripheral Pin WAKEUP(2) (General)
115SHDN(2)I/OMultiplexed I/O & Peripheral Pin SHDN(2) (General)
116GNDBU(2)GNDGround Reference Pin (GNDBU(2))
117VDDA(1)PowerPower Supply Input (VDDA(1) — 3.3V / 5.0V Standard Logic)
118AD0(1)I/OMultiplexed I/O & Peripheral Pin AD0(1) (General)
119AD1(1)I/OMultiplexed I/O & Peripheral Pin AD1(1) (General)
120AD2(1)I/OMultiplexed I/O & Peripheral Pin AD2(1) (General)
121AD3(1)I/OMultiplexed I/O & Peripheral Pin AD3(1) (General)
122AD4(1)I/OMultiplexed I/O & Peripheral Pin AD4(1) (General)
123AD5(1)I/OMultiplexed I/O & Peripheral Pin AD5(1) (General)
124AD6(1)I/OMultiplexed I/O & Peripheral Pin AD6(1) (General)
125AD7(1)I/OMultiplexed I/O & Peripheral Pin AD7(1) (General)
126ADVREF(1)I/OMultiplexed I/O & Peripheral Pin ADVREF(1) (General)
127DAVREF(1)I/OMultiplexed I/O & Peripheral Pin DAVREF(1) (General)
128DA0(1)I/OMultiplexed I/O & Peripheral Pin DA0(1) (General)
129DA1(1)I/OMultiplexed I/O & Peripheral Pin DA1(1) (General)
130GNDA(1)GNDGround Reference Pin (GNDA(1))
131VDDCOREPowerPower Supply Input (VDDCORE — 3.3V / 5.0V Standard Logic)
132VDDIOPowerPower Supply Input (VDDIO — 3.3V / 5.0V Standard Logic)
133GNDGNDGround Reference Pin (GND)
134GNDGNDGround Reference Pin (GND)
135NCS4I/OMultiplexed I/O & Peripheral Pin NCS4 (General)
136NCS5I/OMultiplexed I/O & Peripheral Pin NCS5 (General)
137NCS6I/OMultiplexed I/O & Peripheral Pin NCS6 (General)
138NCS7I/OMultiplexed I/O & Peripheral Pin NCS7 (General)
139PB0I/OMultiplexed I/O & Peripheral Pin PB0 (General)
140PB1I/OMultiplexed I/O & Peripheral Pin PB1 (General)
141PB2I/OMultiplexed I/O & Peripheral Pin PB2 (General)
142PB3/IRQ4I/OMultiplexed I/O & Peripheral Pin PB3/IRQ4 (General)
143PB4/IRQ5I/OMultiplexed I/O & Peripheral Pin PB4/IRQ5 (General)
144PB5I/OMultiplexed I/O & Peripheral Pin PB5 (General)
145PB6/AD0TRIGI/OMultiplexed I/O & Peripheral Pin PB6/AD0TRIG (General)
146PB7/AD1TRIGI/OMultiplexed I/O & Peripheral Pin PB7/AD1TRIG (General)
147VDDIOPowerPower Supply Input (VDDIO — 3.3V / 5.0V Standard Logic)
148GNDGNDGround Reference Pin (GND)
149PB8I/OMultiplexed I/O & Peripheral Pin PB8 (General)
150PB9I/OMultiplexed I/O & Peripheral Pin PB9 (General)
151PB10I/OMultiplexed I/O & Peripheral Pin PB10 (General)
152PB11I/OMultiplexed I/O & Peripheral Pin PB11 (General)
153PB12I/OMultiplexed I/O & Peripheral Pin PB12 (General)
154PB13I/OMultiplexed I/O & Peripheral Pin PB13 (General)
155PB14I/OMultiplexed I/O & Peripheral Pin PB14 (General)
156PB15I/OMultiplexed I/O & Peripheral Pin PB15 (General)
157PB16I/OMultiplexed I/O & Peripheral Pin PB16 (General)
158PB17I/OMultiplexed I/O & Peripheral Pin PB17 (General)
159NWDOVFI/OMultiplexed I/O & Peripheral Pin NWDOVF (General)
160MCKOI/OMultiplexed I/O & Peripheral Pin MCKO (General)
161VDDIOPowerPower Supply Input (VDDIO — 3.3V / 5.0V Standard Logic)
162GNDGNDGround Reference Pin (GND)
163PB18/BMSI/OMultiplexed I/O & Peripheral Pin PB18/BMS (General)
164JTAGSELI/OMultiplexed I/O & Peripheral Pin JTAGSEL (SWD/JTAG)
165TMSI/OMultiplexed I/O & Peripheral Pin TMS (General)
166TDII/OMultiplexed I/O & Peripheral Pin TDI (General)
167TDOI/OMultiplexed I/O & Peripheral Pin TDO (General)
168TCKI/OMultiplexed I/O & Peripheral Pin TCK (General)
169NTRSTI/OMultiplexed I/O & Peripheral Pin NTRST (General)
170NRSTISystem Enable & Hardware Reset (NRST)
171NWAITI/OMultiplexed I/O & Peripheral Pin NWAIT (General)
172NOE/NRDI/OMultiplexed I/O & Peripheral Pin NOE/NRD (General)
173NWE/NWR0I/OMultiplexed I/O & Peripheral Pin NWE/NWR0 (General)
174NUB/NWR1I/OMultiplexed I/O & Peripheral Pin NUB/NWR1 (General)
175VDDCOREPowerPower Supply Input (VDDCORE — 3.3V / 5.0V Standard Logic)
176VDDIOPowerPower Supply Input (VDDIO — 3.3V / 5.0V Standard Logic)
PIN 1 GND
GND
Ground Reference Pin (GND)
Design note: 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
IPC-7351B Solder Density & Span C/G/Z Tuner

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings)

Read the original datasheet PDF directly or click any drawing to view fullscreen
Open PDF in New Window ↗Read Datasheet PDF (.pdf)
PDF VIEWEROfficial Datasheet Document: C481706 (Semiconductor · LQFP-176_L24.0-W24.0-P0.50-BL)
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
C481706 (LQFP-176_L24.0-W24.0-P0.50-BL) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
C481706 (LQFP-176_L24.0-W24.0-P0.50-BL) - 2. Standard Pinout (Top View)
True package pinout (176 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
C481706 (LQFP-176_L24.0-W24.0-P0.50-BL) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
C481706 (LQFP-176_L24.0-W24.0-P0.50-BL) - 4. Package Dimensions (D×E×A)
LQFP-176_L24.0-W24.0-P0.50-BL · 24.00×24.00mm · Pitch 0.50mmExpand ›
5. Recommended Land PatternLAND PATTERN
C481706 (LQFP-176_L24.0-W24.0-P0.50-BL) - 5. Recommended Land Pattern
IPC-7351B Footprint (176 Pads)Expand ›
6. Application SchematicSCHEMATIC
C481706 (LQFP-176_L24.0-W24.0-P0.50-BL) - 6. Application Schematic
Typical Application SchematicExpand ›

Technical Specifications & Part Details (C481706)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Standard Electronic & Interconnect Component
Detailed Overview:C481706 (LQFP-176_L24.0-W24.0-P0.50-BL) is a 176-pin standard electronic & interconnect component featuring a 24.00 × 24.00 × 1.40 mm mechanical envelope (lead pitch e = 0.50 mm). Rated for 1.8V ~ 5.5V (Theo Datasheet) supply operation across -40°C ~ +85°C (Industrial Grade) with integrated RTC/CLK, SPI, SWD/JTAG, UART interfaces.
Operating Supply VoltageV_CC / V_DD
1.8V ~ 5.5V (Theo Datasheet)
Place 100nF + 10µF X7R decoupling capacitors < 2mm from supply pins
Ambient Operating TemperatureT_A
-40°C ~ +85°C (Industrial Grade)
Industrial temperature grade; T_J(max) = +125°C
Clock / RF Operating Frequencyf_CLK / f_RF
DC / Broadband Passive
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
I_GPIO(max) = ±20 mA / pin | I_VDD(total) ≤ 150 mA
Observe per-pin absolute maximum current limits
Package Envelope (D × E × A)D × E × A
24.00 × 24.00 × 1.40 mm (A1=0.10 mm)
Package family: LQFP (LQFP-176_L24.0-W24.0-P0.50-BL)
Pin Count & Lead PitchN / e
176 Pins | Pitch e = 0.50 mm (19.7 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
RTC/CLK, SPI, SWD/JTAG, UART
Cross-linked with 4D Pinout & Schematic Symbol
Reflow & Moisture SensitivityIPC / MSL
IPC-7351B Level B | J-STD-020 (Peak 260°C) | MSL-3
60% windowed solder paste stencil on thermal EPAD
Engineering Safety Alert: Verify Pin-1 chamfer orientation on Top Silkscreen prior to SMT pick-and-place assembly.
Engineering Safety Alert: Connect exposed thermal pad (if present) to internal ground plane via 0.3mm stitched thermal vias.

5-Point Standards Verification

Automated compliance checks prior to export
5/5 PASS
IEEE-315 Symbol176 auto-grouped pins
OK
IPC-7351B Land Pattern176 pads · Pitch 0.50mm
OK
IPC-7525 60% Solder PasteReflow 1:1 Standard
OK
DFM Rules JLCPCB / PCBWayMin pad clearance: 0.25mm
OK
3D STEP AP214 & GLBAligned coordinate origin (0,0,0)
OK

Hardware Verification & Community Engineering Reviews

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet
5.00 PCB Verified

Mechanical Dimensions & Land Pattern (LQFP-176_L24.0-W24.0-P0.50-BL)

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
24.00 × 24.00 mm
Height (A) & Pitch (e)IPC-7351B
A=1.40mm · e=0.50mm
Pad Size (W × L)Level B
0.30 × 1.25 mm
Pins / Total PadsTopology
176P / 176Pad (QUAD_ROW)

Recommended Companion BOM & Drop-In Equivalents

Passive external components per reference schematic and 1:1 pin-compatible alternatives
DFM READY
Designator / Replacement MPNValue / PackageFunction & PCB Layout Rule
N/A
BOM
Per application circuit
LQFP-176_L24.0-W24.0-P0.50-BL
Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — C481706 (LQFP-176_L24.0-W24.0-P0.50-BL)

Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formats
IPC-7351B / IEEE-315

What is the Pinout and operating voltage specification of C481706 (LQFP-176_L24.0-W24.0-P0.50-BL)?

Manufactured by Semiconductor, the C481706 is housed in a LQFP-176_L24.0-W24.0-P0.50-BL package with 176 pins and a 0.50 mm lead pitch. Key pins include: 1 (GND: Ground Reference Pin (GND)), 2 (GND: Ground Reference Pin (GND)), 3 (NCS0: Multiplexed I/O & Peripheral Pin NCS0 (General)), 4 (NCS1: Multiplexed I/O & Peripheral Pin NCS1 (General)), 5 (NCS2: Multiplexed I/O & Peripheral Pin NCS2 (General)), 6 (NCS3: Multiplexed I/O & Peripheral Pin NCS3 (General)).

What are the IPC-7351B PCB Footprint dimensions for C481706?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), C481706 (LQFP-176_L24.0-W24.0-P0.50-BL) has a nominal body envelope of 24.00 × 24.00 mm, pitch e = 0.50 mm, and 176 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for C481706?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for C481706 (Semiconductor, LQFP-176_L24.0-W24.0-P0.50-BL) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.

Static Reference Appendix: Pinout Table (176 pins) & C481706 Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
1GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
2GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
3NCS0Digital_IOSignal terminal NCS0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NCS0. Supported peripheral buses: General.
4NCS1Digital_IOSignal terminal NCS1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NCS1. Supported peripheral buses: General.
5NCS2Digital_IOSignal terminal NCS2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NCS2. Supported peripheral buses: General.
6NCS3Digital_IOSignal terminal NCS3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NCS3. Supported peripheral buses: General.
7NLB/A0Digital_IOSignal terminal NLB/A0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NLB/A0. Supported peripheral buses: General.
8A1Digital_IOSignal terminal A1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A1. Supported peripheral buses: General.
9A2Digital_IOSignal terminal A2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A2. Supported peripheral buses: General.
10A3Digital_IOSignal terminal A3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A3. Supported peripheral buses: General.
11A4Digital_IOSignal terminal A4 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A4. Supported peripheral buses: General.
12A5Digital_IOSignal terminal A5 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A5. Supported peripheral buses: General.
13A6Digital_IOSignal terminal A6 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A6. Supported peripheral buses: General.
14A7Digital_IOSignal terminal A7 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A7. Supported peripheral buses: General.
15VDDIOPower_InPrimary positive power supply input (VDDIO) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
16GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
17A8Digital_IOSignal terminal A8 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A8. Supported peripheral buses: General.
18A9Digital_IOSignal terminal A9 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A9. Supported peripheral buses: General.
19A10Digital_IOSignal terminal A10 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A10. Supported peripheral buses: General.
20A11Digital_IOSignal terminal A11 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A11. Supported peripheral buses: General.
21A12Digital_IOSignal terminal A12 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A12. Supported peripheral buses: General.
22A13Digital_IOSignal terminal A13 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A13. Supported peripheral buses: General.
23A14Digital_IOSignal terminal A14 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A14. Supported peripheral buses: General.
24A15Digital_IOSignal terminal A15 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A15. Supported peripheral buses: General.
25A16Digital_IOSignal terminal A16 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A16. Supported peripheral buses: General.
26A17Digital_IOSignal terminal A17 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A17. Supported peripheral buses: General.
27A18Digital_IOSignal terminal A18 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A18. Supported peripheral buses: General.
28A19Digital_IOSignal terminal A19 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A19. Supported peripheral buses: General.
29VDDIOPower_InPrimary positive power supply input (VDDIO) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
30GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
31A20Digital_IOSignal terminal A20 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A20. Supported peripheral buses: General.
32A21Digital_IOSignal terminal A21 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A21. Supported peripheral buses: General.
33A22Digital_IOSignal terminal A22 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A22. Supported peripheral buses: General.
34A23Digital_IOSignal terminal A23 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: A23. Supported peripheral buses: General.
35D0Digital_IOSignal terminal D0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D0. Supported peripheral buses: General.
36D1Digital_IOSignal terminal D1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D1. Supported peripheral buses: General.
37D2Digital_IOSignal terminal D2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D2. Supported peripheral buses: General.
38D3Digital_IOSignal terminal D3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D3. Supported peripheral buses: General.
39D4Digital_IOSignal terminal D4 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D4. Supported peripheral buses: General.
40D5Digital_IOSignal terminal D5 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D5. Supported peripheral buses: General.
41D6Digital_IOSignal terminal D6 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D6. Supported peripheral buses: General.
42D7Digital_IOSignal terminal D7 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D7. Supported peripheral buses: General.
43VDDCOREPower_InPrimary positive power supply input (VDDCORE) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
44VDDIOPower_InPrimary positive power supply input (VDDIO) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
45GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
46GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
47D8Digital_IOSignal terminal D8 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D8. Supported peripheral buses: General.
48D9Digital_IOSignal terminal D9 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D9. Supported peripheral buses: General.
49D10Digital_IOSignal terminal D10 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D10. Supported peripheral buses: General.
50D11Digital_IOSignal terminal D11 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D11. Supported peripheral buses: General.
51D12Digital_IOSignal terminal D12 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D12. Supported peripheral buses: General.
52D13Digital_IOSignal terminal D13 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D13. Supported peripheral buses: General.
53D14Digital_IOSignal terminal D14 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D14. Supported peripheral buses: General.
54D15Digital_IOSignal terminal D15 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: D15. Supported peripheral buses: General.
55PB19/TCLK0Digital_IOSignal terminal PB19/TCLK0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB19/TCLK0. Supported peripheral buses: General.
56PB20/TIOA0Digital_IOSignal terminal PB20/TIOA0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB20/TIOA0. Supported peripheral buses: General.
57PB21/TIOB0Digital_IOSignal terminal PB21/TIOB0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB21/TIOB0. Supported peripheral buses: General.
58PB22/TCLK1Digital_IOSignal terminal PB22/TCLK1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB22/TCLK1. Supported peripheral buses: General.
59VDDIOPower_InPrimary positive power supply input (VDDIO) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
60GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
61PB23/TIOA1Digital_IOSignal terminal PB23/TIOA1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB23/TIOA1. Supported peripheral buses: General.
62PB24/TIOB1Digital_IOSignal terminal PB24/TIOB1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB24/TIOB1. Supported peripheral buses: General.
63PB25/TCLK2Digital_IOSignal terminal PB25/TCLK2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB25/TCLK2. Supported peripheral buses: General.
64PB26/TIOA2Digital_IOSignal terminal PB26/TIOA2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB26/TIOA2. Supported peripheral buses: General.
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