# SN74ALS04BDR

**Texas Instruments** · Inverters · SOIC-14

SN74ALS04BDR from Texas Instruments, 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 | 1A | input | Data input of inverter 1 (Y = A); recommended VIH is at least 2 V and VIL at most 0.8 V for SN74ALS04B. |
| 2 | 1Y | output | Output of inverter 1, the logical complement of 1A; recommended IOL up to 8 mA and IOH of −0.4 mA for SN74ALS04B. |
| 3 | 2A | input | Data input of inverter 2 (Y = A); recommended VIH is at least 2 V and VIL at most 0.8 V for SN74ALS04B. |
| 4 | 2Y | output | Output of inverter 2, the logical complement of 2A; recommended IOL up to 8 mA and IOH of −0.4 mA for SN74ALS04B. |
| 5 | 3A | input | Data input of inverter 3 (Y = A); recommended VIH is at least 2 V and VIL at most 0.8 V for SN74ALS04B. |
| 6 | 3Y | output | Output of inverter 3, the logical complement of 3A; recommended IOL up to 8 mA and IOH of −0.4 mA for SN74ALS04B. |
| 7 | GND | power_in | Ground reference for the device; all voltage limits are referenced to this pin. |
| 8 | 4Y | output | Output of inverter 4, the logical complement of 4A; recommended IOL up to 8 mA and IOH of −0.4 mA for SN74ALS04B. |
| 9 | 4A | input | Data input of inverter 4 (Y = A); recommended VIH is at least 2 V and VIL at most 0.8 V for SN74ALS04B. |
| 10 | 5Y | output | Output of inverter 5, the logical complement of 5A; recommended IOL up to 8 mA and IOH of −0.4 mA for SN74ALS04B. |
| 11 | 5A | input | Data input of inverter 5 (Y = A); recommended VIH is at least 2 V and VIL at most 0.8 V for SN74ALS04B. |
| 12 | 6Y | output | Output of inverter 6, the logical complement of 6A; recommended IOL up to 8 mA and IOH of −0.4 mA for SN74ALS04B. |
| 13 | 6A | input | Data input of inverter 6 (Y = A); recommended VIH is at least 2 V and VIL at most 0.8 V for SN74ALS04B. |
| 14 | VCC | power_in | Supply pin; recommended supply range is 4.5 V to 5.5 V (nominal 5 V) with an absolute maximum of 7 V. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `SN74ALS04BDR`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files: `sn74als04bdr-etched.step` / `sn74als04bdr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74als04bdr.step` / `sn74als04bdr.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/lit/ds/symlink/sn74als04b.pdf) (25 pp, sha256 `07a4a6a3194e7a58`, retrieved 2026-10-08, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/sn74als04bdr-datasheet.pdf)