# SN74LXC1T14QDCKRQ1

**Texas Instruments** · Translators, Level Shifters · SC-70-5

SN74LXC1T14QDCKRQ1 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 | VCCI | power_in | Input supply voltage, 1.1 V ≤ VCCI ≤ 5.5 V. |
| 2 | A | input | Schmitt-trigger input referenced to VCCI with integrated pull-down, accepts 1.1 V to 5.5 V. |
| 3 | GND | power_in | Ground reference. |
| 4 | Y | output | Inverted logic output referenced to VCCO with high drive capability up to 32 mA at 5 V. |
| 5 | VCCO | power_in | Output supply voltage, 1.1 V ≤ VCCO ≤ 5.5 V. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `SN74LXC1T14QDCKRQ1`
- Footprint: `Package_TO_SOT_SMD:SOT-353_SC-70-5`
- 3D model: SC-70-5 (KiCad packages3D, STEP)
- 3D model files: `sn74lxc1t14qdckrq1-etched.step` / `sn74lxc1t14qdckrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lxc1t14qdckrq1.step` / `sn74lxc1t14qdckrq1.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/8590906271325233152) (26 pp, sha256 `ff9c90ac92427e20`, retrieved 2026-09-24, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/sn74lxc1t14qdckrq1-datasheet.pdf)