# SN74LV1T34QDCKRQ1

**Texas Instruments** · Buffers, Drivers, Receivers, Transceivers · SC-70-5

SN74LV1T34QDCKRQ1 from Texas Instruments, in a SC-70-5. 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 | N.C. | unconnected | No Connect pin. |
| 2 | A | input | Channel 1 input supporting voltage level translation with 5.5 V tolerance, input voltage range 0 to 5.5 V. |
| 3 | GND | power_in | Ground reference. |
| 4 | Y | output | Channel 1 output implementing Y = A logic function, output voltage range 0 to VCC V. |
| 5 | VCC | power_in | Positive supply voltage, operating range 1.6 V to 5.5 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SC-70-5 |
| Category | Logic |
| Pins | 5 |

## CAD (KiCad official)

- Symbol: `SN74LV1T34QDCKRQ1`
- Footprint: `Package_TO_SOT_SMD:SOT-353_SC-70-5`
- 3D model: SC-70-5 (KiCad packages3D, STEP)
- 3D model files: `sn74lv1t34qdckrq1-etched.step` / `sn74lv1t34qdckrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lv1t34qdckrq1.step` / `sn74lv1t34qdckrq1.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600798794057596928) (24 pp, sha256 `1dde034b636180e7`, retrieved 2026-10-03, tier: lcsc)
- **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/sn74lv1t34qdckrq1-datasheet.pdf)