# SN74HCS72QPWRQ1

**Texas Instruments** · Flip Flops · TSSOP-14

SN74HCS72QPWRQ1 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 | 1CLR | input | Clear for channel 1, active low |
| 2 | 1D | input | Data for channel 1 |
| 3 | 1CLK | input | Clock for channel 1, falling edge triggered |
| 4 | 1PRE | input | Preset for channel 1, active low |
| 5 | 1Q | output | Output for channel 1 |
| 6 | 1Q̄ | output | Inverted output for channel 1 |
| 7 | GND | power_in | Ground |
| 8 | 2Q̄ | output | Inverted output for channel 2 |
| 9 | 2Q | output | Output for channel 2 |
| 10 | 2PRE | input | Preset for channel 2, active low |
| 11 | 2CLK | input | Clock for channel 2, falling edge triggered |
| 12 | 2D | input | Data for channel 2 |
| 13 | 2CLR | input | Clear for channel 2, active low |
| 14 | VCC | power_in | Positive supply |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `SN74HCS72QPWRQ1`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `sn74hcs72qpwrq1-etched.step` / `sn74hcs72qpwrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74hcs72qpwrq1.step` / `sn74hcs72qpwrq1.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/sn74hcs72-q1) (23 pp, sha256 `aee10dd180539d59`, retrieved 2026-10-05, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/sn74hcs72qpwrq1-datasheet.pdf)