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STM32H743IIT6 (LQFP-176(24x24)) — Symbol, Footprint IPC-7351B & 3D STEP Model

STM32H743IIT6

STID: C89597LQFP-176(24x24) · 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 · STM32H743IIT6 (LQFP-176(24x24))1122334455667-802 -Mar-20219810911-12-13-14-15-16-17-18-19-20-21-2210231124-25-26-27-28-2912301331143215331634PC2_C35PC3_C36-37193820392140224123422443-44-45-46-472548-492750285129523053315432553356345735583659-60-61-62-63-64-65-66-67-68376938703971-72-734074417542764377447845794680478148825083-84-85-86-87-88-176-175-174-173-172100171-17098169971689616795166941659316492163911629016189160-159-158-157-156-155-154-153-152-1518815087149-148-1478614685145841448314382142811418014079139781387713776136-135-134-133-132-131-130-129-128-12775126741257312472123711227012169120681196711866117651166411563114-113-112-111-110-109-108-107-106-1056210461103-102-10160100599958985797569655955494539352925191-90-89-Grid Pitch = 2.54mm (IEEE-315)-17.8-12.7-7.6-2.52.57.612.717.8116.8111.8106.7101.696.591.486.481.376.271.166.061.055.950.845.740.635.630.525.420.315.210.25.10-5.1-10.2-15.2-20.3-25.4-30.5-35.6-40.6-45.7-50.8-55.9-61.0-66.0-71.1-76.2-81.3-86.4-91.4-96.5-101.6-106.7-111.8-116.8mm
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)
11I/OMultiplexed I/O & Peripheral Pin 1 (SPI)
22I/OMultiplexed I/O & Peripheral Pin 2 (General)
33I/OMultiplexed I/O & Peripheral Pin 3 (SPI)
44I/OMultiplexed I/O & Peripheral Pin 4 (SPI)
55I/OMultiplexed I/O & Peripheral Pin 5 (SPI)
66I/OMultiplexed I/O & Peripheral Pin 6 (General)
7-I/OMultiplexed I/O & Peripheral Pin - (RTC/CLK)
802 -Mar-2021I/OMultiplexed I/O & Peripheral Pin 02 -Mar-2021 (General)
98I/OMultiplexed I/O & Peripheral Pin 8 (RTC/CLK)
109I/OMultiplexed I/O & Peripheral Pin 9 (RTC/CLK)
11-I/OMultiplexed I/O & Peripheral Pin - (UART)
12-I/OMultiplexed I/O & Peripheral Pin - (General)
13-I/OMultiplexed I/O & Peripheral Pin - (General)
14-I/OMultiplexed I/O & Peripheral Pin - (General)
15-I/OMultiplexed I/O & Peripheral Pin - (General)
16-I/OMultiplexed I/O & Peripheral Pin - (I2C)
17-I/OMultiplexed I/O & Peripheral Pin - (I2C)
18-I/OMultiplexed I/O & Peripheral Pin - (I2C)
19-I/OMultiplexed I/O & Peripheral Pin - (ADC)
20-I/OMultiplexed I/O & Peripheral Pin - (ADC)
21-I/OMultiplexed I/O & Peripheral Pin - (ADC)
2210I/OMultiplexed I/O & Peripheral Pin 10 (General)
2311I/OMultiplexed I/O & Peripheral Pin 11 (General)
24-I/OMultiplexed I/O & Peripheral Pin - (ADC)
25-I/OMultiplexed I/O & Peripheral Pin - (UART, ADC)
26-I/OMultiplexed I/O & Peripheral Pin - (UART, SPI, ADC)
27-I/OMultiplexed I/O & Peripheral Pin - (UART, SPI, ADC)
28-I/OMultiplexed I/O & Peripheral Pin - (ADC)
2912I/OMultiplexed I/O & Peripheral Pin 12 (RTC/CLK)
3013I/OMultiplexed I/O & Peripheral Pin 13 (RTC/CLK)
3114I/OMultiplexed I/O & Peripheral Pin 14 (General)
3215I/OMultiplexed I/O & Peripheral Pin 15 (ADC)
3316I/OMultiplexed I/O & Peripheral Pin 16 (SPI, ADC, RTC/CLK)
34PC2_CI/OMultiplexed I/O & Peripheral Pin PC2_C (General)
35PC3_CI/OMultiplexed I/O & Peripheral Pin PC3_C (General)
36-I/OMultiplexed I/O & Peripheral Pin - (General)
3719I/OMultiplexed I/O & Peripheral Pin 19 (General)
3820I/OMultiplexed I/O & Peripheral Pin 20 (General)
3921I/OMultiplexed I/O & Peripheral Pin 21 (General)
4022I/OMultiplexed I/O & Peripheral Pin 22 (UART, SPI, ADC, PWM)
4123I/OMultiplexed I/O & Peripheral Pin 23 (UART, ADC, PWM)
4224I/OMultiplexed I/O & Peripheral Pin 24 (UART, SPI, ADC, PWM)
43-I/OMultiplexed I/O & Peripheral Pin - (SPI, ADC)
44-I/OMultiplexed I/O & Peripheral Pin - (ADC)
45-I/OMultiplexed I/O & Peripheral Pin - (I2C, ADC)
46-I/OMultiplexed I/O & Peripheral Pin - (I2C, ADC)
4725I/OMultiplexed I/O & Peripheral Pin 25 (UART, ADC, PWM)
48-I/OMultiplexed I/O & Peripheral Pin - (General)
4927I/OMultiplexed I/O & Peripheral Pin 27 (General)
5028I/OMultiplexed I/O & Peripheral Pin 28 (UART, SPI, ADC, DAC)
5129I/OMultiplexed I/O & Peripheral Pin 29 (SPI, ADC, DAC, PWM)
5230I/OMultiplexed I/O & Peripheral Pin 30 (SPI, ADC)
5331I/OMultiplexed I/O & Peripheral Pin 31 (SPI, ADC, PWM)
5432I/OMultiplexed I/O & Peripheral Pin 32 (UART, ADC)
5533I/OMultiplexed I/O & Peripheral Pin 33 (UART, ADC)
5634I/OMultiplexed I/O & Peripheral Pin 34 (UART, ADC, PWM)
5735I/OMultiplexed I/O & Peripheral Pin 35 (ADC, PWM)
5836I/OMultiplexed I/O & Peripheral Pin 36 (SPI, I2C, RTC/CLK)
59-I/OMultiplexed I/O & Peripheral Pin - (SPI, ADC)
60-I/OMultiplexed I/O & Peripheral Pin - (ADC)
61-I/OMultiplexed I/O & Peripheral Pin - (General)
62-I/OMultiplexed I/O & Peripheral Pin - (General)
63-I/OMultiplexed I/O & Peripheral Pin - (I2C, ADC)
64-I/OMultiplexed I/O & Peripheral Pin - (I2C, ADC)
65-I/OMultiplexed I/O & Peripheral Pin - (I2C)
66-I/OMultiplexed I/O & Peripheral Pin - (General)
67-I/OMultiplexed I/O & Peripheral Pin - (General)
6837I/OMultiplexed I/O & Peripheral Pin 37 (UART)
6938I/OMultiplexed I/O & Peripheral Pin 38 (UART, PWM)
7039I/OMultiplexed I/O & Peripheral Pin 39 (UART, PWM)
71-I/OMultiplexed I/O & Peripheral Pin - (General)
72-I/OMultiplexed I/O & Peripheral Pin - (General)
7340I/OMultiplexed I/O & Peripheral Pin 40 (UART, PWM)
7441I/OMultiplexed I/O & Peripheral Pin 41 (SPI, PWM)
7542I/OMultiplexed I/O & Peripheral Pin 42 (SPI, PWM)
7643I/OMultiplexed I/O & Peripheral Pin 43 (SPI, PWM)
7744I/OMultiplexed I/O & Peripheral Pin 44 (PWM)
7845I/OMultiplexed I/O & Peripheral Pin 45 (General)
7946I/OMultiplexed I/O & Peripheral Pin 46 (UART, SPI, PWM)
8047I/OMultiplexed I/O & Peripheral Pin 47 (UART, I2C, PWM)
8148I/OMultiplexed I/O & Peripheral Pin 48 (General)
8250I/OMultiplexed I/O & Peripheral Pin 50 (General)
83-I/OMultiplexed I/O & Peripheral Pin - (I2C)
84-I/OMultiplexed I/O & Peripheral Pin - (I2C)
85-I/OMultiplexed I/O & Peripheral Pin - (General)
86-I/OMultiplexed I/O & Peripheral Pin - (I2C)
87-I/OMultiplexed I/O & Peripheral Pin - (PWM)
88-I/OMultiplexed I/O & Peripheral Pin - (PWM)
89-I/OMultiplexed I/O & Peripheral Pin - (PWM)
90-I/OMultiplexed I/O & Peripheral Pin - (General)
91-I/OMultiplexed I/O & Peripheral Pin - (General)
9251I/OMultiplexed I/O & Peripheral Pin 51 (UART, SPI)
9352I/OMultiplexed I/O & Peripheral Pin 52 (UART, SPI, PWM)
9453I/OMultiplexed I/O & Peripheral Pin 53 (UART, SPI, PWM)
9554I/OMultiplexed I/O & Peripheral Pin 54 (UART, SPI, PWM, RTC/CLK)
9655I/OMultiplexed I/O & Peripheral Pin 55 (UART, SPI)
9756I/OMultiplexed I/O & Peripheral Pin 56 (UART)
9857I/OMultiplexed I/O & Peripheral Pin 57 (UART)
9958I/OMultiplexed I/O & Peripheral Pin 58 (UART, SPI, I2C)
10059I/OMultiplexed I/O & Peripheral Pin 59 (UART)
10160I/OMultiplexed I/O & Peripheral Pin 60 (SPI, PWM)
102-I/OMultiplexed I/O & Peripheral Pin - (General)
103-I/OMultiplexed I/O & Peripheral Pin - (General)
10461I/OMultiplexed I/O & Peripheral Pin 61 (UART, PWM)
10562I/OMultiplexed I/O & Peripheral Pin 62 (UART, PWM)
106-I/OMultiplexed I/O & Peripheral Pin - (General)
107-I/OMultiplexed I/O & Peripheral Pin - (General)
108-I/OMultiplexed I/O & Peripheral Pin - (General)
109-I/OMultiplexed I/O & Peripheral Pin - (General)
110-I/OMultiplexed I/O & Peripheral Pin - (General)
111-I/OMultiplexed I/O & Peripheral Pin - (UART)
112-I/OMultiplexed I/O & Peripheral Pin - (UART)
113-I/OMultiplexed I/O & Peripheral Pin - (General)
114-I/OMultiplexed I/O & Peripheral Pin - (USB)
11563I/OMultiplexed I/O & Peripheral Pin 63 (PWM)
11664I/OMultiplexed I/O & Peripheral Pin 64 (UART, PWM)
11765I/OMultiplexed I/O & Peripheral Pin 65 (UART, PWM)
11866I/OMultiplexed I/O & Peripheral Pin 66 (PWM, RTC/CLK)
11967I/OMultiplexed I/O & Peripheral Pin 67 (UART, RTC/CLK)
12068I/OMultiplexed I/O & Peripheral Pin 68 (UART, SPI, I2C, PWM)
12169I/OMultiplexed I/O & Peripheral Pin 69 (UART, PWM)
12270I/OMultiplexed I/O & Peripheral Pin 70 (UART, SPI, PWM)
12371I/OMultiplexed I/O & Peripheral Pin 71 (UART, SPI)
12472I/OMultiplexed I/O & Peripheral Pin 72 (SWD/JTAG)
12573I/OMultiplexed I/O & Peripheral Pin 73 (General)
12674I/OMultiplexed I/O & Peripheral Pin 74 (General)
12775I/OMultiplexed I/O & Peripheral Pin 75 (General)
128-I/OMultiplexed I/O & Peripheral Pin - (PWM)
129-I/OMultiplexed I/O & Peripheral Pin - (UART, PWM)
130-I/OMultiplexed I/O & Peripheral Pin - (PWM)
131-I/OMultiplexed I/O & Peripheral Pin - (SPI, PWM)
132-I/OMultiplexed I/O & Peripheral Pin - (SPI)
133-I/OMultiplexed I/O & Peripheral Pin - (SPI, PWM)
134-I/OMultiplexed I/O & Peripheral Pin - (SPI)
135-I/OMultiplexed I/O & Peripheral Pin - (General)
136-I/OMultiplexed I/O & Peripheral Pin - (General)
13776I/OMultiplexed I/O & Peripheral Pin 76 (SWD/JTAG)
13877I/OMultiplexed I/O & Peripheral Pin 77 (UART, SPI, SWD/JTAG)
13978I/OMultiplexed I/O & Peripheral Pin 78 (UART, SPI)
14079I/OMultiplexed I/O & Peripheral Pin 79 (UART, SPI)
14180I/OMultiplexed I/O & Peripheral Pin 80 (UART, SPI)
14281I/OMultiplexed I/O & Peripheral Pin 81 (UART, SPI)
14382I/OMultiplexed I/O & Peripheral Pin 82 (General)
14483I/OMultiplexed I/O & Peripheral Pin 83 (UART)
14584I/OMultiplexed I/O & Peripheral Pin 84 (UART, SPI)
14685I/OMultiplexed I/O & Peripheral Pin 85 (UART)
14786I/OMultiplexed I/O & Peripheral Pin 86 (UART)
148-I/OMultiplexed I/O & Peripheral Pin - (General)
149-I/OMultiplexed I/O & Peripheral Pin - (General)
15087I/OMultiplexed I/O & Peripheral Pin 87 (UART, SPI, I2C)
15188I/OMultiplexed I/O & Peripheral Pin 88 (UART, SPI)
152-I/OMultiplexed I/O & Peripheral Pin - (UART, SPI)
153-I/OMultiplexed I/O & Peripheral Pin - (SPI)
154-I/OMultiplexed I/O & Peripheral Pin - (SPI)
155-I/OMultiplexed I/O & Peripheral Pin - (UART, SPI)
156-I/OMultiplexed I/O & Peripheral Pin - (UART, SPI)
157-I/OMultiplexed I/O & Peripheral Pin - (UART, SPI)
158-I/OMultiplexed I/O & Peripheral Pin - (General)
159-I/OMultiplexed I/O & Peripheral Pin - (General)
160-I/OMultiplexed I/O & Peripheral Pin - (UART, SPI)
16189I/OMultiplexed I/O & Peripheral Pin 89 (SPI, PWM, SWD/JTAG)
16290I/OMultiplexed I/O & Peripheral Pin 90 (UART, SPI, PWM, SWD/JTAG)
16391I/OMultiplexed I/O & Peripheral Pin 91 (SPI, I2C)
16492I/OMultiplexed I/O & Peripheral Pin 92 (UART, I2C, PWM)
16593I/OMultiplexed I/O & Peripheral Pin 93 (UART, I2C, PWM)
16694I/OMultiplexed I/O & Peripheral Pin 94 (General)
16795I/OMultiplexed I/O & Peripheral Pin 95 (UART, I2C)
16896I/OMultiplexed I/O & Peripheral Pin 96 (UART, SPI, I2C)
16997I/OMultiplexed I/O & Peripheral Pin 97 (UART)
17098I/OMultiplexed I/O & Peripheral Pin 98 (UART)
171-I/OMultiplexed I/O & Peripheral Pin - (General)
172100I/OMultiplexed I/O & Peripheral Pin 100 (General)
173-I/OMultiplexed I/O & Peripheral Pin - (General)
174-I/OMultiplexed I/O & Peripheral Pin - (SPI, PWM)
175-I/OMultiplexed I/O & Peripheral Pin - (General)
176-I/OMultiplexed I/O & Peripheral Pin - (General)
PIN 1 1
I/O
Multiplexed I/O & Peripheral Pin 1 (SPI)
Design note: PE2 | Alt: TRACECLK SAI1 CK1 ,_ , SPI4_SCK , SAI1_MCLKA_ , SAI4_MCLKA_ , QUADSPI_BK1IO2_ , SAI4_CK1 , ETH_MIITXD3_ , FMC_A23EVENTOUT ,
IPC-7351B Solder Density & Span C/G/Z Tuner

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings + 10 Extracted Figures)

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: STM32H743IIT6 (ST · LQFP-176(24x24))
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
STM32H743IIT6 (LQFP-176(24x24)) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
STM32H743IIT6 (LQFP-176(24x24)) - 2. Standard Pinout (Top View)
True package pinout (176 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
STM32H743IIT6 (LQFP-176(24x24)) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
STM32H743IIT6 (LQFP-176(24x24)) - 4. Package Dimensions (D×E×A)
LQFP-176(24x24) · 24.00×24.00mm · Pitch 0.50mmExpand ›
5. Recommended Land PatternLAND PATTERN
STM32H743IIT6 (LQFP-176(24x24)) - 5. Recommended Land Pattern
IPC-7351B Footprint (176 Pads)Expand ›
6. Application SchematicSCHEMATIC
STM32H743IIT6 (LQFP-176(24x24)) - 6. Application Schematic
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (10 figures · Page 1/1)
Showing 1–10 of 10 uncropped original figures for STM32H742 / STM32H743
P59 · p59_fig01EXACT PACKAGE
STM32H743IIT6 (LQFP-176(24x24)) — Figure 9. LQFP176 pinout
Figure 9. LQFP176 pinout
P334 · p334_fig01EXACT PACKAGE
STM32H743IIT6 (LQFP-176(24x24)) — Figure 128. LQFP176 - Outline(15)
Figure 128. LQFP176 - Outline(15)
P1 · p01_fig01881×678px
STM32H743IIT6 (LQFP-176(24x24)) — • 1.62 to 3.6 V application supply and I/Os
• 1.62 to 3.6 V application supply and I/Os
P59 · p59_fig01P59
STM32H743IIT6 (LQFP-176(24x24)) — Datasheet Page 59 (p59_fig01)
Datasheet Page 59 (p59_fig01)
P103 · p103_fig011546×1929px
STM32H743IIT6 (LQFP-176(24x24)) — Figure 15. Power supply scheme
Figure 15. Power supply scheme
P103 · p103_fig01P103
STM32H743IIT6 (LQFP-176(24x24)) — Datasheet Page 103 (p103_fig01)
Datasheet Page 103 (p103_fig01)
P171 · p171_fig011556×997px
STM32H743IIT6 (LQFP-176(24x24)) — Figure 40. ADC accuracy characteristics
Figure 40. ADC accuracy characteristics
P171 · p171_fig021546×751px
STM32H743IIT6 (LQFP-176(24x24)) — Figure 41. Typical connection diagram when using the ADC with FT/TT pins featuring
Figure 41. Typical connection diagram when using the ADC with FT/TT pins featuring
P209 · p209_fig011751×2073px
STM32H743IIT6 (LQFP-176(24x24)) — Figure 68. Power supply scheme
Figure 68. Power supply scheme
P334 · p334_fig01P334
STM32H743IIT6 (LQFP-176(24x24)) — Datasheet Page 334 (p334_fig01)
Datasheet Page 334 (p334_fig01)

Technical Specifications & Part Details (STM32H743IIT6)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Embedded Microcontroller Unit (MCU)
Detailed Overview:STM32H743IIT6 (LQFP-176(24x24)) is a 176-pin embedded microcontroller unit (mcu) featuring a 24.00 × 24.00 × 1.60 mm mechanical envelope (lead pitch e = 0.50 mm). Rated for 3.0V ~ 3.6V (Typ 3.3V) supply operation across -40°C ~ +85°C (Industrial Grade) with integrated USB, SPI, I2C, I2S, ADC, DAC, PWM, SDIO, JTAG / SWD, IrDA, RTC/CLK, SWD/JTAG, UART interfaces.
Operating Supply VoltageV_CC / V_DD
3.0V ~ 3.6V (Typ 3.3V)
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
480MHz
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
I_GPIO(max) = ±20 mA / pin | I_VDD(total) ≤ 150 mA
128 5V-tolerant (FT) pins detected
Package Envelope (D × E × A)D × E × A
24.00 × 24.00 × 1.60 mm (A1=0.10 mm)
Package family: LQFP (LQFP-176(24x24))
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
USB, SPI, I2C, I2S, ADC, DAC, PWM, SDIO, JTAG / SWD, IrDA, RTC/CLK, 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: Boot Strapping Pin Alert (94): Do not force conflicting external pull-ups/pull-downs during POR reset.
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(24x24))

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
24.00 × 24.00 mm
Height (A) & Pitch (e)IPC-7351B
A=1.60mm · 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(24x24)
Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — STM32H743IIT6 (LQFP-176(24x24))

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 STM32H743IIT6 (LQFP-176(24x24))?

Manufactured by ST, the STM32H743IIT6 is housed in a LQFP-176(24x24) package with 176 pins and a 0.50 mm lead pitch. Key pins include: 1 (1: Multiplexed I/O & Peripheral Pin 1 (SPI)), 2 (2: Multiplexed I/O & Peripheral Pin 2 (General)), 3 (3: Multiplexed I/O & Peripheral Pin 3 (SPI)), 4 (4: Multiplexed I/O & Peripheral Pin 4 (SPI)), 5 (5: Multiplexed I/O & Peripheral Pin 5 (SPI)), 6 (6: Multiplexed I/O & Peripheral Pin 6 (General)).

What are the IPC-7351B PCB Footprint dimensions for STM32H743IIT6?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32H743IIT6 (LQFP-176(24x24)) 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 STM32H743IIT6?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32H743IIT6 (ST, LQFP-176(24x24)) 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) & STM32H742 / STM32H743 Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
11Digital_IOSignal terminal 1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_SCK. Supported peripheral buses: SPI.
22Digital_IOSignal terminal 2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 2. Supported peripheral buses: General.
33Digital_IOSignal terminal 3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_NSS_SAI1FSA. Supported peripheral buses: SPI.
44Digital_IOSignal terminal 4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 4. Supported peripheral buses: SPI.
55Digital_IOSignal terminal 5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_MOSI_SAI1SDA. Supported peripheral buses: SPI.
66Digital_IOSignal terminal 6 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 6. Supported peripheral buses: General.
7-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: RTC/CLK.
802 -Mar-2021Digital_IOSignal terminal 02 -Mar-2021 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 02 -Mar-2021. Supported peripheral buses: General.
98Digital_IOSignal terminal 8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 8. Supported peripheral buses: RTC/CLK.
109Digital_IOSignal terminal 9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 9. Supported peripheral buses: RTC/CLK.
11-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: UART.
12-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
13-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
14-Digital_IOSignal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
15-Digital_IOSignal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
16-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C.
17-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C.
18-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C.
19-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
20-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
21-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
2210Digital_IOSignal terminal 10 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 10. Supported peripheral buses: General.
2311Digital_IOSignal terminal 11 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 11. Supported peripheral buses: General.
24-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
25-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: UART, ADC.
26-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI5_MISO. Supported peripheral buses: UART, SPI, ADC.
27-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI5_MOSI_SAI1FSB. Supported peripheral buses: UART, SPI, ADC.
28-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
2912Digital_IOSignal terminal 12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 12. Supported peripheral buses: RTC/CLK.
3013Digital_IOSignal terminal 13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 13. Supported peripheral buses: RTC/CLK.
3114Digital_IOSignal terminal 14 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 14. Supported peripheral buses: General.
3215Digital_IOSignal terminal 15 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 15. Supported peripheral buses: ADC.
3316Digital_IOSignal terminal 16 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_MOSI. Supported peripheral buses: SPI, ADC, RTC/CLK.
34PC2_CDigital_IOSignal terminal PC2_C (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC2_C. Supported peripheral buses: General.
35PC3_CDigital_IOSignal terminal PC3_C (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: PC3_C. Supported peripheral buses: General.
36-Digital_IOSignal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
3719Digital_IOSignal terminal 19 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 19. Supported peripheral buses: General.
3820Digital_IOSignal terminal 20 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 20. Supported peripheral buses: General.
3921Digital_IOSignal terminal 21 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 21. Supported peripheral buses: General.
4022Digital_IOSignal terminal 22 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 22. Supported peripheral buses: UART, SPI, ADC, PWM.
4123Digital_IOSignal terminal 23 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 23. Supported peripheral buses: UART, ADC, PWM.
4224Digital_IOSignal terminal 24 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 24. Supported peripheral buses: UART, SPI, ADC, PWM.
43-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: SPI, ADC.
44-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
45-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C, ADC.
46-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C, ADC.
4725Digital_IOSignal terminal 25 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 25. Supported peripheral buses: UART, ADC, PWM.
48-Digital_IOSignal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
4927Digital_IOSignal terminal 27 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 27. Supported peripheral buses: General.
5028Digital_IOSignal terminal 28 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_NSS, SPI3_NSS. Supported peripheral buses: UART, SPI, ADC, DAC.
5129Digital_IOSignal terminal 29 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_SCK, SPI6_SCK. Supported peripheral buses: SPI, ADC, DAC, PWM.
5230Digital_IOSignal terminal 30 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MISO, SPI6_MISOTIM13CH1. Supported peripheral buses: SPI, ADC.
5331Digital_IOSignal terminal 31 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: SPI1_MOSI, SPI6_MOSITIM14CH1. Supported peripheral buses: SPI, ADC, PWM.
5432Digital_IOSignal terminal 32 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 32. Supported peripheral buses: UART, ADC.
5533Digital_IOSignal terminal 33 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 33. Supported peripheral buses: UART, ADC.
5634Digital_IOSignal terminal 34 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: 34. Supported peripheral buses: UART, ADC, PWM.
5735Digital_IOSignal terminal 35 (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: 35. Supported peripheral buses: ADC, PWM.
5836Digital_IOSignal terminal 36 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MOSI. Supported peripheral buses: SPI, I2C, RTC/CLK.
59-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI5_MOSI_SAI2SDB. Supported peripheral buses: SPI, ADC.
60-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: ADC.
61-Digital_IOSignal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
62-Digital_IOSignal terminal - (I/O, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: -. Supported peripheral buses: General.
63-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C, ADC.
64-Digital_IOSignal terminal - (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: -. Supported peripheral buses: I2C, ADC.
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