# TM74HC04

**TM Shenzhen Titan Micro Elec** · Inverters · SOP-14

TM74HC04 from TM Shenzhen Titan Micro Elec, in a SOP-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 | Data input 1 of inverter 1; inputs must stay within -0.5 V to VDD+0.5 V. |
| 2 | 1Y | output | Data output 1, inverted output of 1A. |
| 3 | 2A | input | Data input 2 of inverter 2; inputs must stay within -0.5 V to VDD+0.5 V. |
| 4 | 2Y | output | Data output 2, inverted output of 2A. |
| 5 | 3A | input | Data input 3 of inverter 3; inputs must stay within -0.5 V to VDD+0.5 V. |
| 6 | 3Y | output | Data output 3, inverted output of 3A. |
| 7 | GND | power_in | Logic ground. |
| 8 | 4Y | output | Data output 4, inverted output of 4A. |
| 9 | 4A | input | Data input 4 of inverter 4; inputs must stay within -0.5 V to VDD+0.5 V. |
| 10 | 5Y | output | Data output 5, inverted output of 5A. |
| 11 | 5A | input | Data input 5 of inverter 5; inputs must stay within -0.5 V to VDD+0.5 V. |
| 12 | 6Y | output | Data output 6, inverted output of 6A. |
| 13 | 6A | input | Data input 6 of inverter 6; inputs must stay within -0.5 V to VDD+0.5 V. |
| 14 | VDD | power_in | Logic power supply, recommended 2.0 V to 7.0 V (absolute maximum 7.0 V). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TM Shenzhen Titan Micro Elec |
| Package | SOP-14 |
| Category | Logic |
| Pins | 14 |

## CAD (KiCad official)

- Symbol: `TM74HC04`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOP-14 (KiCad packages3D, STEP)
- 3D model files: `tm74hc04-etched.step` / `tm74hc04-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tm74hc04.step` / `tm74hc04.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TM Shenzhen Titan Micro Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175401656004608) (6 pp, sha256 `11031650c7cdbd93`, retrieved 2026-10-18, 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/tm74hc04-datasheet.pdf)