# SN74LVC1G19DBVR

**UMW** · Signal Switches, Multiplexers, Decoders · SOT-23-6

SN74LVC1G19DBVR from UMW, 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 | S | input | Demultiplexer select input |
| 2 | GND | power_in | Ground |
| 3 | A | input | Data input |
| 4 | Y1 | tri_state | Output 2, driven when select S is High, high-impedance when S is Low |
| 5 | VCC | power_in | Power supply input, 1.65V to 5.5V operating range |
| 6 | Y0 | tri_state | Output 1, driven when select S is Low, high-impedance when S is High |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `SN74LVC1G19DBVR`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `sn74lvc1g19dbvr-etched.step` / `sn74lvc1g19dbvr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lvc1g19dbvr.step` / `sn74lvc1g19dbvr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [UMW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603345645839806464) (9 pp, sha256 `9e887c30ab9a2c40`, retrieved 2026-09-18, tier: lcsc)
- **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/sn74lvc1g19dbvr-datasheet.pdf)