# SN74LV1T126DCKR-TP

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

SN74LV1T126DCKR-TP 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 | OE | input | Output enable input; a LOW level puts the Y output in the high-impedance OFF state, and the datasheet recommends not floating this pin. |
| 2 | A | input | Buffer data input with low-threshold levels (VIL max 0.8V at VCC 3V to 5.5V), tolerant up to 5.5V. |
| 3 | GND | power_in | Ground. |
| 4 | Y | tri_state | 3-state buffer output referenced to VCC, with ±8mA drive at VCC=5.0V, high-impedance when OE is LOW. |
| 5 | VCC | power_in | Supply voltage, recommended operating range 1.6V to 5.5V (absolute maximum -0.5V to 7V). |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `SN74LV1T126DCKR-TP`
- Footprint: `Package_TO_SOT_SMD:SOT-353_SC-70-5`
- 3D model: SOT-353 (KiCad packages3D, STEP)
- 3D model files: `sn74lv1t126dckr-tp-etched.step` / `sn74lv1t126dckr-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lv1t126dckr-tp.step` / `sn74lv1t126dckr-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](docs/sn74lv1t126dckr-tp-datasheet.pdf) (8 pp, sha256 `6d3e3da85e97fa4f`, retrieved 2026-10-09, 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/sn74lv1t126dckr-tp-datasheet.pdf)