# MC74LCX04DG

**onsemi** · Inverters · SOIC-14

MC74LCX04DG 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 data input, 5 V tolerant with recommended input voltage 0 to 5.5 V. |
| 2 | O0 | output | Inverter 0 output (inverse of A0), with 24 mA sink/source capability at VCC = 3.0 V to 3.6 V. |
| 3 | A1 | input | Inverter 1 data input, 5 V tolerant with recommended input voltage 0 to 5.5 V. |
| 4 | O1 | output | Inverter 1 output (inverse of A1), with 24 mA sink/source capability at VCC = 3.0 V to 3.6 V. |
| 5 | A2 | input | Inverter 2 data input, 5 V tolerant with recommended input voltage 0 to 5.5 V. |
| 6 | O2 | output | Inverter 2 output (inverse of A2), with 24 mA sink/source capability at VCC = 3.0 V to 3.6 V. |
| 7 | GND | power_in | Ground pin; DC ground current is rated ±100 mA per ground pin. |
| 8 | O5 | output | Inverter 5 output (inverse of A5), with 24 mA sink/source capability at VCC = 3.0 V to 3.6 V. |
| 9 | A5 | input | Inverter 5 data input, 5 V tolerant with recommended input voltage 0 to 5.5 V. |
| 10 | O4 | output | Inverter 4 output (inverse of A4), with 24 mA sink/source capability at VCC = 3.0 V to 3.6 V. |
| 11 | A4 | input | Inverter 4 data input, 5 V tolerant with recommended input voltage 0 to 5.5 V. |
| 12 | O3 | output | Inverter 3 output (inverse of A3), with 24 mA sink/source capability at VCC = 3.0 V to 3.6 V. |
| 13 | A3 | input | Inverter 3 data input, 5 V tolerant with recommended input voltage 0 to 5.5 V. |
| 14 | VCC | power_in | Supply voltage pin, operating range 2.0 V to 5.5 V (absolute maximum -0.5 V to +7.0 V). |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `MC74LCX04DG`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files: `mc74lcx04dg-etched.step` / `mc74lcx04dg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mc74lcx04dg.step` / `mc74lcx04dg.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/mc74lcx04-d.pdf) (9 pp, sha256 `9c22dc653fa2e671`, retrieved 2026-10-26, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (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/mc74lcx04dg-datasheet.pdf)