# SN74AXC1T45DBVR

**Texas Instruments** · Translators, Level Shifters · SOT-23-6

SN74AXC1T45DBVR from Texas Instruments, in a SOT-23-6. 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 | A-port supply voltage with range 0.65 V to 3.6V. |
| 2 | GND | power_in | Ground. |
| 3 | A | bidirectional | Input or output A referenced to VCCA; do not leave floating when configured as input. |
| 4 | B | bidirectional | Input or output B referenced to VCCB; do not leave floating when configured as input. |
| 5 | DIR | input | Direction control signal; set Logic High for A-to-B translation, Logic Low for B-to-A translation. |
| 6 | VCCB | power_in | B-port supply voltage with range 0.65 V to 3.6V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOT-23-6 |
| Category | Logic |
| Pins | 6 |

## CAD (KiCad official)

- Symbol: `SN74AXC1T45DBVR`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `sn74axc1t45dbvr-etched.step` / `sn74axc1t45dbvr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74axc1t45dbvr.step` / `sn74axc1t45dbvr.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/sn74axc1t45.pdf) (45 pp, sha256 `41e03bd8f0740ae8`, retrieved 2026-09-17, tier: manufacturer)
- **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/sn74axc1t45dbvr-datasheet.pdf)