# SN74HCT14QPWRQ1

**Texas Instruments** · Inverters · TSSOP-14

SN74HCT14QPWRQ1 from Texas Instruments, in a TSSOP-14. 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 | 1A | input | Inverter 1 Schmitt-trigger input, TTL-voltage compatible, input voltage 0 to VCC, max input current 1 µA; hold at VCC or GND if unused. |
| 2 | 1Y | output | Inverter 1 output, drives up to 10 LSTTL loads, ±4 mA output drive at 5 V. |
| 3 | 2A | input | Inverter 2 Schmitt-trigger input, TTL-voltage compatible, input voltage 0 to VCC, max input current 1 µA; hold at VCC or GND if unused. |
| 4 | 2Y | output | Inverter 2 output, drives up to 10 LSTTL loads, ±4 mA output drive at 5 V. |
| 5 | 3A | input | Inverter 3 Schmitt-trigger input, TTL-voltage compatible, input voltage 0 to VCC, max input current 1 µA; hold at VCC or GND if unused. |
| 6 | 3Y | output | Inverter 3 output, drives up to 10 LSTTL loads, ±4 mA output drive at 5 V. |
| 7 | GND | power_in | Ground pin; continuous current through VCC or GND is limited to ±50 mA. |
| 8 | 4Y | output | Inverter 4 output, drives up to 10 LSTTL loads, ±4 mA output drive at 5 V. |
| 9 | 4A | input | Inverter 4 Schmitt-trigger input, TTL-voltage compatible, input voltage 0 to VCC, max input current 1 µA; hold at VCC or GND if unused. |
| 10 | 5Y | output | Inverter 5 output, drives up to 10 LSTTL loads, ±4 mA output drive at 5 V. |
| 11 | 5A | input | Inverter 5 Schmitt-trigger input, TTL-voltage compatible, input voltage 0 to VCC, max input current 1 µA; hold at VCC or GND if unused. |
| 12 | 6Y | output | Inverter 6 output, drives up to 10 LSTTL loads, ±4 mA output drive at 5 V. |
| 13 | 6A | input | Inverter 6 Schmitt-trigger input, TTL-voltage compatible, input voltage 0 to VCC, max input current 1 µA; hold at VCC or GND if unused. |
| 14 | VCC | power_in | Supply voltage pin, recommended operating range 4.5 V to 5.5 V (absolute maximum 7 V). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-14 |
| Category | Logic |
| Pins | 14 |

## CAD (KiCad official)

- Symbol: `SN74HCT14QPWRQ1`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `sn74hct14qpwrq1-etched.step` / `sn74hct14qpwrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74hct14qpwrq1.step` / `sn74hct14qpwrq1.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/sn74hct14-q1) (12 pp, sha256 `d5ded165a6a0c260`, 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/sn74hct14qpwrq1-datasheet.pdf)