# SN74LVCH8T245PW

**Texas Instruments** · Translators, Level Shifters · TSSOP-24

SN74LVCH8T245PW from Texas Instruments, in a TSSOP-24. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VCCA | power_in | A-port supply voltage ranging from 1.65V to 5.5V. |
| 2 | DIR | input | Direction-control input referenced to VCCA. |
| 3 | A1 | bidirectional | Input/output A1 referenced to VCCA. |
| 4 | A2 | bidirectional | Input/output A2 referenced to VCCA. |
| 5 | A3 | bidirectional | Input/output A3 referenced to VCCA. |
| 6 | A4 | bidirectional | Input/output A4 referenced to VCCA. |
| 7 | A5 | bidirectional | Input/output A5 referenced to VCCA. |
| 8 | A6 | bidirectional | Input/output A6 referenced to VCCA. |
| 9 | A7 | bidirectional | Input/output A7 referenced to VCCA. |
| 10 | A8 | bidirectional | Input/output A8 referenced to VCCA. |
| 11 | GND | power_in | Ground. |
| 12 | GND | power_in | Ground. |
| 13 | GND | power_in | Ground. |
| 14 | B8 | bidirectional | Input/output B8 referenced to VCCB. |
| 15 | B7 | bidirectional | Input/output B7 referenced to VCCB. |
| 16 | B6 | bidirectional | Input/output B6 referenced to VCCB. |
| 17 | B5 | bidirectional | Input/output B5 referenced to VCCB. |
| 18 | B4 | bidirectional | Input/output B4 referenced to VCCB. |
| 19 | B3 | bidirectional | Input/output B3 referenced to VCCB. |
| 20 | B2 | bidirectional | Input/output B2 referenced to VCCB. |
| 21 | B1 | bidirectional | Input/output B1 referenced to VCCB. |
| 22 | OE | input | 3-state output-enable input referenced to VCCA; pull high to place all outputs in high-impedance state. |
| 23 | VCCB | power_in | B-port supply voltage ranging from 1.65V to 5.5V. |
| 24 | VCCB | power_in | B-port supply voltage ranging from 1.65V to 5.5V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-24 |
| Category | Logic |
| Pins | 24 |

## CAD (KiCad official)

- Symbol: `SN74LVCH8T245PW`
- Footprint: `Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm`
- 3D model: TSSOP-24 (KiCad packages3D, STEP)
- 3D model files: `sn74lvch8t245pw-etched.step` / `sn74lvch8t245pw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lvch8t245pw.step` / `sn74lvch8t245pw.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/sn74lvch8t245.pdf) (36 pp, sha256 `30d0c1c87773bd7a`, retrieved 2026-10-05, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (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).

[Datasheet PDF](docs/sn74lvch8t245pw-datasheet.pdf)