# 74AC00MTCX

**onsemi** · Gates · TSSOP-14

74AC00MTCX from onsemi, 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 | A0 | input | Gate 0 input A; inputs are specified 0V to VCC. |
| 2 | B0 | input | Gate 0 input B; inputs are specified 0V to VCC. |
| 3 | O0 | output | Gate 0 active-low NAND output, sources/sinks 24mA. |
| 4 | A1 | input | Gate 1 input A; inputs are specified 0V to VCC. |
| 5 | B1 | input | Gate 1 input B; inputs are specified 0V to VCC. |
| 6 | O1 | output | Gate 1 active-low NAND output, sources/sinks 24mA. |
| 7 | GND | power_in | Ground pin. |
| 8 | O3 | output | Gate 3 active-low NAND output, sources/sinks 24mA. |
| 9 | B3 | input | Gate 3 input B; inputs are specified 0V to VCC. |
| 10 | A3 | input | Gate 3 input A; inputs are specified 0V to VCC. |
| 11 | O2 | output | Gate 2 active-low NAND output, sources/sinks 24mA. |
| 12 | B2 | input | Gate 2 input B; inputs are specified 0V to VCC. |
| 13 | A2 | input | Gate 2 input A; inputs are specified 0V to VCC. |
| 14 | VCC | power_in | Supply voltage, 2.0V to 6.0V recommended for AC devices (absolute max -0.5V to +7.0V). |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `74AC00MTCX`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `74ac00mtcx-etched.step` / `74ac00mtcx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `74ac00mtcx.step` / `74ac00mtcx.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [onsemi datasheet](docs/74ac00mtcx-datasheet.pdf) (6 pp, sha256 `b83d3e5b17bb7506`, retrieved 2026-10-23, 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/74ac00mtcx-datasheet.pdf)