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SN74LVC4245APW
Public Made by Adomby adom
Texas Instruments Translators, Level Shifters, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSN74LVC4245APW
Texas Instruments · Translators, Level Shifters · TSSOP-24
SN74LVC4245APW from Texas Instruments, in a TSSOP-24. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VCCA | power_in | Power supply for side A, recommended operating voltage 4.5V to 5.5V. |
| 2 | DIR | input | Direction control input; low selects B data to A bus, high selects A data to B bus. |
| 3 | A1 | bidirectional | Transceiver I/O pin on side A, input/output voltage range 0V to VCCA, output current ±50mA maximum. |
| 4 | A2 | bidirectional | Transceiver I/O pin on side A, input/output voltage range 0V to VCCA, output current ±50mA maximum. |
| 5 | A3 | bidirectional | Transceiver I/O pin on side A, input/output voltage range 0V to VCCA, output current ±50mA maximum. |
| 6 | A4 | bidirectional | Transceiver I/O pin on side A, input/output voltage range 0V to VCCA, output current ±50mA maximum. |
| 7 | A5 | bidirectional | Transceiver I/O pin on side A, input/output voltage range 0V to VCCA, output current ±50mA maximum. |
| 8 | A6 | bidirectional | Transceiver I/O pin on side A, input/output voltage range 0V to VCCA, output current ±50mA maximum. |
| 9 | A7 | bidirectional | Transceiver I/O pin on side A, input/output voltage range 0V to VCCA, output current ±50mA maximum. |
| 10 | A8 | bidirectional | Transceiver I/O pin on side A, input/output voltage range 0V to VCCA, output current ±50mA maximum. |
| 11 | GND | power_in | Ground reference. |
| 12 | GND | power_in | Ground reference. |
| 13 | GND | power_in | Ground reference. |
| 14 | B8 | bidirectional | Transceiver I/O pin on side B, input/output voltage range 0V to VCCB, output current ±50mA maximum. |
| 15 | B7 | bidirectional | Transceiver I/O pin on side B, input/output voltage range 0V to VCCB, output current ±50mA maximum. |
| 16 | B6 | bidirectional | Transceiver I/O pin on side B, input/output voltage range 0V to VCCB, output current ±50mA maximum. |
| 17 | B5 | bidirectional | Transceiver I/O pin on side B, input/output voltage range 0V to VCCB, output current ±50mA maximum. |
| 18 | B4 | bidirectional | Transceiver I/O pin on side B, input/output voltage range 0V to VCCB, output current ±50mA maximum. |
| 19 | B3 | bidirectional | Transceiver I/O pin on side B, input/output voltage range 0V to VCCB, output current ±50mA maximum. |
| 20 | B2 | bidirectional | Transceiver I/O pin on side B, input/output voltage range 0V to VCCB, output current ±50mA maximum. |
| 21 | B1 | bidirectional | Transceiver I/O pin on side B, input/output voltage range 0V to VCCB, output current ±50mA maximum. |
| 22 | OE | input | Output enable control input; low enables outputs, high disables outputs to high impedance. |
| 23 | VCCB | power_in | Power supply for side B, recommended operating voltage 2.7V to 3.6V. |
| 24 | VCCB | power_in | Power supply for side B, recommended operating voltage 2.7V to 3.6V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-24 |
| Category | Logic |
| Pins | 24 |
CAD (KiCad official)
- Symbol:
SN74LVC4245APW - Footprint:
Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm - 3D model: TSSOP-24 (KiCad packages3D, STEP)
- 3D model files:
sn74lvc4245apw-etched.step/sn74lvc4245apw-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74lvc4245apw.step/sn74lvc4245apw.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (28 pp, sha256
29a63cd196f43f2b, retrieved 2026-09-22, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).