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MAX3674ECM2T (TQFP-48(7x7)) — Symbol, Footprint IPC-7351B & 3D STEP Model

MAX3674ECM2T

MICROCHIPID: C2664710TQFP-48(7x7) · 48 Pins · Pitch 0.50mmIPC-7351B Verified5.0 (0)
SYNCHRONIZED 4D CROSS-PROBE MODETouch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
1. SYMBOL
U1 · MAX3674ECM2T (TQFP-48(7x7))1VCC2BYPASS#3GND4VCC5VCC_PLL6REF_SEL7REF_CLK8GND9CLK_STOPA#10CLK_STOPB#11XTAL112XTAL213VCC14M015M116M217M318M419GND20M521M622M723M824M948P47ADR046ADR145SCL44SDA43MR#42VCC41PLOAD#40NA039NA138NA237GND36VCC35NB34VCC33QA32QA#31GND30VCC29QB28QB#27GND26LOCK25TEST_ENGrid Pitch = 2.54mm (IEEE-315)-17.8-12.7-7.6-2.52.57.612.717.835.630.525.420.315.210.25.10-5.1-10.2-15.2-20.3-25.4-30.5-35.6mm
2. 2D FOOTPRINT
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748E=7.00mm · Pitch e=0.50mmD=7.00mm-7-5-3-113577531-1-3-5-7mm
3. 3D CAD MODEL
Package Body: 7.00mm × 7.00mm · Pitch: 0.50mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (48/48)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
PinSymbolTypeFunction (EN)
1VCCPowerPower Supply Input (VCC — 3.3V / 5.0V Standard Logic)
2BYPASS#I/OMultiplexed I/O & Peripheral Pin BYPASS# (General)
3GNDGNDGround Reference Pin (GND)
4VCCPowerPower Supply Input (VCC — 3.3V / 5.0V Standard Logic)
5VCC_PLLPowerPower Supply Input (VCC_PLL — 3.3V / 5.0V Standard Logic)
6REF_SELI/OMultiplexed I/O & Peripheral Pin REF_SEL (General)
7REF_CLKI/OMultiplexed I/O & Peripheral Pin REF_CLK (General)
8GNDGNDGround Reference Pin (GND)
9CLK_STOPA#I/OMultiplexed I/O & Peripheral Pin CLK_STOPA# (General)
10CLK_STOPB#I/OMultiplexed I/O & Peripheral Pin CLK_STOPB# (General)
11XTAL1I/OMultiplexed I/O & Peripheral Pin XTAL1 (RTC/CLK)
12XTAL2I/OMultiplexed I/O & Peripheral Pin XTAL2 (RTC/CLK)
13VCCPowerPower Supply Input (VCC — 3.3V / 5.0V Standard Logic)
14M0I/OMultiplexed I/O & Peripheral Pin M0 (General)
15M1I/OMultiplexed I/O & Peripheral Pin M1 (General)
16M2I/OMultiplexed I/O & Peripheral Pin M2 (General)
17M3I/OMultiplexed I/O & Peripheral Pin M3 (General)
18M4I/OMultiplexed I/O & Peripheral Pin M4 (General)
19GNDGNDGround Reference Pin (GND)
20M5I/OMultiplexed I/O & Peripheral Pin M5 (General)
21M6I/OMultiplexed I/O & Peripheral Pin M6 (General)
22M7I/OMultiplexed I/O & Peripheral Pin M7 (General)
23M8I/OMultiplexed I/O & Peripheral Pin M8 (General)
24M9I/OMultiplexed I/O & Peripheral Pin M9 (General)
25TEST_ENI/OMultiplexed I/O & Peripheral Pin TEST_EN (General)
26LOCKI/OMultiplexed I/O & Peripheral Pin LOCK (General)
27GNDGNDGround Reference Pin (GND)
28QB#I/OMultiplexed I/O & Peripheral Pin QB# (General)
29QBI/OMultiplexed I/O & Peripheral Pin QB (General)
30VCCPowerPower Supply Input (VCC — 3.3V / 5.0V Standard Logic)
31GNDGNDGround Reference Pin (GND)
32QA#I/OMultiplexed I/O & Peripheral Pin QA# (General)
33QAI/OMultiplexed I/O & Peripheral Pin QA (General)
34VCCPowerPower Supply Input (VCC — 3.3V / 5.0V Standard Logic)
35NBI/OMultiplexed I/O & Peripheral Pin NB (General)
36VCCPowerPower Supply Input (VCC — 3.3V / 5.0V Standard Logic)
37GNDGNDGround Reference Pin (GND)
38NA2I/OMultiplexed I/O & Peripheral Pin NA2 (General)
39NA1I/OMultiplexed I/O & Peripheral Pin NA1 (General)
40NA0I/OMultiplexed I/O & Peripheral Pin NA0 (General)
41PLOAD#I/OMultiplexed I/O & Peripheral Pin PLOAD# (General)
42VCCPowerPower Supply Input (VCC — 3.3V / 5.0V Standard Logic)
43MR#I/OMultiplexed I/O & Peripheral Pin MR# (General)
44SDAI/OMultiplexed I/O & Peripheral Pin SDA (I2C)
45SCLI/OMultiplexed I/O & Peripheral Pin SCL (I2C)
46ADR1I/OMultiplexed I/O & Peripheral Pin ADR1 (General)
47ADR0I/OMultiplexed I/O & Peripheral Pin ADR0 (General)
48PI/OMultiplexed I/O & Peripheral Pin P (General)
PIN 1 VCC
Power
Power Supply Input (VCC — 3.3V / 5.0V Standard Logic)
Design note: Primary positive power supply input (VCC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
IPC-7351B Solder Density & Span C/G/Z Tuner

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings + 4 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: MAX3674ECM2T (MICROCHIP · TQFP-48(7x7))
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
MAX3674ECM2T (TQFP-48(7x7)) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
MAX3674ECM2T (TQFP-48(7x7)) - 2. Standard Pinout (Top View)
True package pinout (48 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
MAX3674ECM2T (TQFP-48(7x7)) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
MAX3674ECM2T (TQFP-48(7x7)) - 4. Package Dimensions (D×E×A)
TQFP-48(7x7) · 7.00×7.00mm · Pitch 0.50mmExpand ›
5. Recommended Land PatternLAND PATTERN
MAX3674ECM2T (TQFP-48(7x7)) - 5. Recommended Land Pattern
IPC-7351B Footprint (48 Pads)Expand ›
6. Application SchematicSCHEMATIC
MAX3674ECM2T (TQFP-48(7x7)) - 6. Application Schematic
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (4 figures · Page 1/1)
Showing 1–4 of 4 uncropped original figures for MAX3674
P1 · p01_fig011973×987px
MAX3674ECM2T (TQFP-48(7x7)) — Pin Configuration appears at end of data sheet.
Pin Configuration appears at end of data sheet.
P1 · p01_fig01P1
MAX3674ECM2T (TQFP-48(7x7)) — Datasheet Page 1 (p01_fig01)
Datasheet Page 1 (p01_fig01)
P19 · p19_fig011898×1496px
MAX3674ECM2T (TQFP-48(7x7)) — Network Clock Synthesizer
Network Clock Synthesizer
P19 · p19_fig01P19
MAX3674ECM2T (TQFP-48(7x7)) — Datasheet Page 19 (p19_fig01)
Datasheet Page 19 (p19_fig01)

Technical Specifications & Part Details (MAX3674ECM2T)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Standard Electronic & Interconnect Component
Detailed Overview:MAX3674ECM2T (TQFP-48(7x7)) is a 48-pin standard electronic & interconnect component featuring a 7.00 × 7.00 × 1.20 mm mechanical envelope (lead pitch e = 0.50 mm). Rated for 1.8V ~ 5.5V (Theo Datasheet) supply operation across -40°C to +85°C with integrated I2C, RTC/CLK 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 to +85°C
Industrial temperature grade; T_J(max) = +125°C
Clock / RF Operating Frequencyf_CLK / f_RF
21.25MHz
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
7.00 × 7.00 × 1.20 mm (A1=0.10 mm)
Package family: TQFP (TQFP-48(7x7))
Pin Count & Lead PitchN / e
48 Pins | Pitch e = 0.50 mm (19.7 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
I2C, RTC/CLK
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 Symbol48 auto-grouped pins
OK
IPC-7351B Land Pattern48 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 (TQFP-48(7x7))

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
7.00 × 7.00 mm
Height (A) & Pitch (e)IPC-7351B
A=1.20mm · e=0.50mm
Pad Size (W × L)Level B
0.30 × 1.25 mm
Pins / Total PadsTopology
48P / 48Pad (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
TQFP-48(7x7)
Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — MAX3674ECM2T (TQFP-48(7x7))

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 MAX3674ECM2T (TQFP-48(7x7))?

Manufactured by MICROCHIP, the MAX3674ECM2T is housed in a TQFP-48(7x7) package with 48 pins and a 0.50 mm lead pitch. Key pins include: 1 (VCC: Power Supply Input (VCC — 3.3V / 5.0V Standard Logic)), 2 (BYPASS#: Multiplexed I/O & Peripheral Pin BYPASS# (General)), 3 (GND: Ground Reference Pin (GND)), 4 (VCC: Power Supply Input (VCC — 3.3V / 5.0V Standard Logic)), 5 (VCC_PLL: Power Supply Input (VCC_PLL — 3.3V / 5.0V Standard Logic)), 6 (REF_SEL: Multiplexed I/O & Peripheral Pin REF_SEL (General)).

What are the IPC-7351B PCB Footprint dimensions for MAX3674ECM2T?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), MAX3674ECM2T (TQFP-48(7x7)) has a nominal body envelope of 7.00 × 7.00 mm, pitch e = 0.50 mm, and 48 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for MAX3674ECM2T?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for MAX3674ECM2T (MICROCHIP, TQFP-48(7x7)) 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 (48 pins) & MAX3674 Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
1VCCPower_InPrimary positive power supply input (VCC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
2BYPASS#Digital_IOSignal terminal BYPASS# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: BYPASS#. Supported peripheral buses: General.
3GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
4VCCPower_InPrimary positive power supply input (VCC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
5VCC_PLLPower_InPrimary positive power supply input (VCC_PLL) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
6REF_SELDigital_IOSignal terminal REF_SEL (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: REF_SEL. Supported peripheral buses: General.
7REF_CLKDigital_IOSignal terminal REF_CLK (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: REF_CLK. Supported peripheral buses: General.
8GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
9CLK_STOPA#Digital_IOSignal terminal CLK_STOPA# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: CLK_STOPA#. Supported peripheral buses: General.
10CLK_STOPB#Digital_IOSignal terminal CLK_STOPB# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: CLK_STOPB#. Supported peripheral buses: General.
11XTAL1Digital_IOSignal terminal XTAL1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XTAL1. Supported peripheral buses: RTC/CLK.
12XTAL2Digital_IOSignal terminal XTAL2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XTAL2. Supported peripheral buses: RTC/CLK.
13VCCPower_InPrimary positive power supply input (VCC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
14M0Digital_IOSignal terminal M0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: M0. Supported peripheral buses: General.
15M1Digital_IOSignal terminal M1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: M1. Supported peripheral buses: General.
16M2Digital_IOSignal terminal M2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: M2. Supported peripheral buses: General.
17M3Digital_IOSignal terminal M3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: M3. Supported peripheral buses: General.
18M4Digital_IOSignal terminal M4 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: M4. Supported peripheral buses: General.
19GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
20M5Digital_IOSignal terminal M5 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: M5. Supported peripheral buses: General.
21M6Digital_IOSignal terminal M6 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: M6. Supported peripheral buses: General.
22M7Digital_IOSignal terminal M7 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: M7. Supported peripheral buses: General.
23M8Digital_IOSignal terminal M8 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: M8. Supported peripheral buses: General.
24M9Digital_IOSignal terminal M9 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: M9. Supported peripheral buses: General.
25TEST_ENDigital_IOSignal terminal TEST_EN (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TEST_EN. Supported peripheral buses: General.
26LOCKDigital_IOSignal terminal LOCK (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: LOCK. Supported peripheral buses: General.
27GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
28QB#Digital_IOSignal terminal QB# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: QB#. Supported peripheral buses: General.
29QBDigital_IOSignal terminal QB (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: QB. Supported peripheral buses: General.
30VCCPower_InPrimary positive power supply input (VCC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
31GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
32QA#Digital_IOSignal terminal QA# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: QA#. Supported peripheral buses: General.
33QADigital_IOSignal terminal QA (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: QA. Supported peripheral buses: General.
34VCCPower_InPrimary positive power supply input (VCC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
35NBDigital_IOSignal terminal NB (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NB. Supported peripheral buses: General.
36VCCPower_InPrimary positive power supply input (VCC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
37GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
38NA2Digital_IOSignal terminal NA2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NA2. Supported peripheral buses: General.
39NA1Digital_IOSignal terminal NA1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NA1. Supported peripheral buses: General.
40NA0Digital_IOSignal terminal NA0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NA0. Supported peripheral buses: General.
41PLOAD#Digital_IOSignal terminal PLOAD# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PLOAD#. Supported peripheral buses: General.
42VCCPower_InPrimary positive power supply input (VCC) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
43MR#Digital_IOSignal terminal MR# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: MR#. Supported peripheral buses: General.
44SDADigital_IOSignal terminal SDA (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SDA. Supported peripheral buses: I2C.
45SCLDigital_IOSignal terminal SCL (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SCL. Supported peripheral buses: I2C.
46ADR1Digital_IOSignal terminal ADR1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: ADR1. Supported peripheral buses: General.
47ADR0Digital_IOSignal terminal ADR0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: ADR0. Supported peripheral buses: General.
48PDigital_IOSignal terminal P (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: P. Supported peripheral buses: General.
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