# 74ACT04SC

**onsemi** · Inverters · SOIC-14

74ACT04SC from onsemi, in a SOIC-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 | A0 | input | Inverter 0 input (TTL-compatible on ACT04). |
| 2 | O0 | output | Inverter 0 output, sources/sinks 24mA. |
| 3 | A1 | input | Inverter 1 input (TTL-compatible on ACT04). |
| 4 | O1 | output | Inverter 1 output, sources/sinks 24mA. |
| 5 | A2 | input | Inverter 2 input (TTL-compatible on ACT04). |
| 6 | O2 | output | Inverter 2 output, sources/sinks 24mA. |
| 7 | GND | power_in | Ground. |
| 8 | O5 | output | Inverter 5 output, sources/sinks 24mA. |
| 9 | A5 | input | Inverter 5 input (TTL-compatible on ACT04). |
| 10 | O4 | output | Inverter 4 output, sources/sinks 24mA. |
| 11 | A4 | input | Inverter 4 input (TTL-compatible on ACT04). |
| 12 | O3 | output | Inverter 3 output, sources/sinks 24mA. |
| 13 | A3 | input | Inverter 3 input (TTL-compatible on ACT04). |
| 14 | VCC | power_in | Positive supply voltage. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOIC-14 |
| Category | Logic |
| Pins | 14 |

## CAD (KiCad official)

- Symbol: `74ACT04SC`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files: `74act04sc-etched.step` / `74act04sc-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `74act04sc.step` / `74act04sc.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [onsemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602992990806306816) (10 pp, sha256 `4fa427ef5699b011`, retrieved 2026-10-20, 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/74act04sc-datasheet.pdf)