# CD74AC238M96

**Texas Instruments** · Signal Switches, Multiplexers, Decoders · SOIC-16

CD74AC238M96 from Texas Instruments, in a SOIC-16. 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 | A | input | Binary-select input A; input voltage 0 to VCC. |
| 2 | B | input | Binary-select input B; input voltage 0 to VCC. |
| 3 | C | input | Binary-select input C; input voltage 0 to VCC. |
| 4 | G2A | input | Strobe input 2A, active low; input voltage 0 to VCC, must be held at VCC or GND. |
| 5 | G2B | input | Strobe input 2B, active low; input voltage 0 to VCC, must be held at VCC or GND. |
| 6 | G1 | input | Strobe input; input voltage 0 to VCC, must be held at VCC or GND. |
| 7 | Y7 | output | Decoder output 7; output voltage 0 to VCC. |
| 8 | GND | power_in | Ground reference. |
| 9 | Y6 | output | Decoder output 6; output voltage 0 to VCC. |
| 10 | Y5 | output | Decoder output 5; output voltage 0 to VCC. |
| 11 | Y4 | output | Decoder output 4; output voltage 0 to VCC. |
| 12 | Y3 | output | Decoder output 3; output voltage 0 to VCC. |
| 13 | Y2 | output | Decoder output 2; output voltage 0 to VCC. |
| 14 | Y1 | output | Decoder output 1; output voltage 0 to VCC. |
| 15 | Y0 | output | Decoder output 0; output voltage 0 to VCC. |
| 16 | VCC | power_in | Positive supply voltage; operating range 1.5 V to 5.5 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-16 |
| Category | Logic |
| Pins | 16 |

## CAD (KiCad official)

- Symbol: `CD74AC238M96`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOIC-16 (KiCad packages3D, STEP)
- 3D model files: `cd74ac238m96-etched.step` / `cd74ac238m96-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cd74ac238m96.step` / `cd74ac238m96.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/cn/lit/gpn/cd74ac238) (27 pp, sha256 `54a5c84c09b2334f`, retrieved 2026-09-26, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/cd74ac238m96-datasheet.pdf)