# SN74LVC2T45DCUT

**Texas Instruments** · Translators, Level Shifters · VSSOP-8-0.5mm

SN74LVC2T45DCUT from Texas Instruments, in a VSSOP-8-0.5mm. 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 power supply voltage input; valid supply range 1.65V to 5.5V |
| 2 | A1 | bidirectional | Bidirectional input/output A1 terminal referenced to VCCA |
| 3 | A2 | bidirectional | Bidirectional input/output A2 terminal referenced to VCCA |
| 4 | GND | power_in | Ground reference terminal |
| 5 | DIR | input | Direction control input; logic high enables A to B data path, logic low enables B to A data path; referenced to VCCA |
| 6 | B2 | bidirectional | Bidirectional input/output B2 terminal referenced to VCCB |
| 7 | B1 | bidirectional | Bidirectional input/output B1 terminal referenced to VCCB |
| 8 | VCCB | power_in | B port power supply voltage input; valid supply range 1.65V to 5.5V |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VSSOP-8-0.5mm |
| Category | Logic |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `SN74LVC2T45DCUT`
- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`
- 3D model: VSSOP-8-0.5mm (KiCad packages3D, STEP)
- 3D model files: `sn74lvc2t45dcut-etched.step` / `sn74lvc2t45dcut-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lvc2t45dcut.step` / `sn74lvc2t45dcut.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/cn/lit/gpn/sn74lvc2t45) (37 pp, sha256 `e8f75e820b097663`, retrieved 2026-09-26, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-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).

[Datasheet PDF](docs/sn74lvc2t45dcut-datasheet.pdf)