# TP74LVC1G34C5

**TECH PUBLIC** · Buffers, Drivers, Receivers, Transceivers · SOT-353

TP74LVC1G34C5 from TECH PUBLIC, in a SOT-353. 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 | NC | unconnected | No connect pin with no internal function stated in the datasheet. |
| 2 | A | input | Buffer input that accepts voltages up to 5.5V, with VIL max 0.8V and VIH min 2V at VCC=3V to 3.6V. |
| 3 | GND | power_in | Ground pin of the device. |
| 4 | Y | output | Buffer output, Y = A, with VOL max 0.55V at IOL=32mA and VCC=4.5V. |
| 5 | VCC | power_in | Supply voltage pin, operating range 1.65V to 5.5V, absolute maximum -0.5V to +6.5V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOT-353 |
| Category | Logic |
| Pins | 5 |

## CAD (KiCad official)

- Symbol: `TP74LVC1G34C5`
- Footprint: `Package_TO_SOT_SMD:SOT-353_SC-70-5`
- 3D model: SOT-353 (KiCad packages3D, STEP)
- 3D model files: `tp74lvc1g34c5-etched.step` / `tp74lvc1g34c5-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tp74lvc1g34c5.step` / `tp74lvc1g34c5.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](docs/tp74lvc1g34c5-datasheet.pdf) (11 pp, sha256 `eeb50e11cabc0dde`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (vision), consensus `claude-opus-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/tp74lvc1g34c5-datasheet.pdf)