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SN74LVC4245APWT
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Texas Instruments Translators, Level Shifters, TSSOP-24. Datasheet-verified pinout, 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
markdownSN74LVC4245APWT
Texas Instruments · Translators, Level Shifters · TSSOP-24
SN74LVC4245APWT 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 A-side port with recommended operating voltage range 4.5V to 5.5V. |
| 2 | DIR | input | Direction control input referenced to VCCA; selects B-to-A bus direction when low or A-to-B bus direction when high. |
| 3 | A1 | bidirectional | Transceiver I/O pin for A-side channel 1; bidirectional data pin with ±24mA output drive capability. |
| 4 | A2 | bidirectional | Transceiver I/O pin for A-side channel 2; bidirectional data pin with ±24mA output drive capability. |
| 5 | A3 | bidirectional | Transceiver I/O pin for A-side channel 3; bidirectional data pin with ±24mA output drive capability. |
| 6 | A4 | bidirectional | Transceiver I/O pin for A-side channel 4; bidirectional data pin with ±24mA output drive capability. |
| 7 | A5 | bidirectional | Transceiver I/O pin for A-side channel 5; bidirectional data pin with ±24mA output drive capability. |
| 8 | A6 | bidirectional | Transceiver I/O pin for A-side channel 6; bidirectional data pin with ±24mA output drive capability. |
| 9 | A7 | bidirectional | Transceiver I/O pin for A-side channel 7; bidirectional data pin with ±24mA output drive capability. |
| 10 | A8 | bidirectional | Transceiver I/O pin for A-side channel 8; bidirectional data pin with ±24mA output drive capability. |
| 11 | GND | power_in | Ground reference (one of three ground pins for current distribution). |
| 12 | GND | power_in | Ground reference (one of three ground pins for current distribution). |
| 13 | GND | power_in | Ground reference (one of three ground pins for current distribution). |
| 14 | B8 | bidirectional | Transceiver I/O pin for B-side channel 8; bidirectional data pin with ±24mA output drive at 3V VCCB supply. |
| 15 | B7 | bidirectional | Transceiver I/O pin for B-side channel 7; bidirectional data pin with ±24mA output drive at 3V VCCB supply. |
| 16 | B6 | bidirectional | Transceiver I/O pin for B-side channel 6; bidirectional data pin with ±24mA output drive at 3V VCCB supply. |
| 17 | B5 | bidirectional | Transceiver I/O pin for B-side channel 5; bidirectional data pin with ±24mA output drive at 3V VCCB supply. |
| 18 | B4 | bidirectional | Transceiver I/O pin for B-side channel 4; bidirectional data pin with ±24mA output drive at 3V VCCB supply. |
| 19 | B3 | bidirectional | Transceiver I/O pin for B-side channel 3; bidirectional data pin with ±24mA output drive at 3V VCCB supply. |
| 20 | B2 | bidirectional | Transceiver I/O pin for B-side channel 2; bidirectional data pin with ±24mA output drive at 3V VCCB supply. |
| 21 | B1 | bidirectional | Transceiver I/O pin for B-side channel 1; bidirectional data pin with ±24mA output drive at 3V VCCB supply. |
| 22 | OE | input | Output Enable control input referenced to VCCA; active low, high level disables all outputs and isolates buses in high-impedance state. |
| 23 | VCCB | power_in | Power supply for B-side port with recommended operating voltage range 2.7V to 3.6V. |
| 24 | VCCB | power_in | Power supply for B-side port with recommended operating voltage range 2.7V to 3.6V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-24 |
| Category | Logic |
| Pins | 24 |
CAD (KiCad official)
- Symbol:
SN74LVC4245APWT - Footprint:
Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm - 3D model: TSSOP-24 (KiCad packages3D, STEP)
- 3D model files:
sn74lvc4245apwt-etched.step/sn74lvc4245apwt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74lvc4245apwt.step/sn74lvc4245apwt.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 2026-09-23, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5(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).