component
SN74LV245APWR
Public Made by Adomby adom
Texas Instruments Buffers, Drivers, Receivers, Transceivers, TSSOP-20. 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
markdownSN74LV245APWR
Texas Instruments · Buffers, Drivers, Receivers, Transceivers · TSSOP-20
SN74LV245APWR from Texas Instruments, in a TSSOP-20. 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 | DIR | input | Direction control input selecting data flow from B to A (low) or A to B (high). |
| 2 | A1 | bidirectional | Octal transceiver I/O port A1 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 3 | A2 | bidirectional | Octal transceiver I/O port A2 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 4 | A3 | bidirectional | Octal transceiver I/O port A3 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 5 | A4 | bidirectional | Octal transceiver I/O port A4 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 6 | A5 | bidirectional | Octal transceiver I/O port A5 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 7 | A6 | bidirectional | Octal transceiver I/O port A6 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 8 | A7 | bidirectional | Octal transceiver I/O port A7 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 9 | A8 | bidirectional | Octal transceiver I/O port A8 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 10 | GND | power_in | Ground reference pin with continuous current handling of ±70 mA total for the device. |
| 11 | B8 | bidirectional | Octal transceiver I/O port B8 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 12 | B7 | bidirectional | Octal transceiver I/O port B7 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 13 | B6 | bidirectional | Octal transceiver I/O port B6 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 14 | B5 | bidirectional | Octal transceiver I/O port B5 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 15 | B4 | bidirectional | Octal transceiver I/O port B4 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 16 | B3 | bidirectional | Octal transceiver I/O port B3 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 17 | B2 | bidirectional | Octal transceiver I/O port B2 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 18 | B1 | bidirectional | Octal transceiver I/O port B1 with input voltage range -0.5 to 7 V and continuous output current ±35 mA. |
| 19 | OE | input | Output enable control input; high level places all outputs in high impedance state for isolation mode. |
| 20 | VCC | power_in | Positive supply voltage pin operating from 2 to 5.5 V with total device current up to ±70 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-20 |
| Category | Logic |
| Pins | 20 |
CAD (KiCad official)
- Symbol:
SN74LV245APWR - Footprint:
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm - 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files:
sn74lv245apwr-etched.step/sn74lv245apwr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74lv245apwr.step/sn74lv245apwr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (36 pp, sha256
2f7e0c8966bd04ea, retrieved 2026-09-18, 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).