# CD74HC4016MT

**Texas Instruments** · Analog Switches, Multiplexers · SOIC-14

CD74HC4016MT 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 | 1Y | bidirectional | Analog switch 1 input/output terminal A, supports 0V to VCC bidirectional signal path. |
| 2 | 1Z | bidirectional | Analog switch 1 input/output terminal B, supports 0V to VCC bidirectional signal path. |
| 3 | 2Z | bidirectional | Analog switch 2 input/output terminal B, supports 0V to VCC bidirectional signal path. |
| 4 | 2Y | bidirectional | Analog switch 2 input/output terminal A, supports 0V to VCC bidirectional signal path. |
| 5 | 2E | input | Active-high enable input for switch 2; logic high enables switch, logic low disables. |
| 6 | 3E | input | Active-high enable input for switch 3; logic high enables switch, logic low disables. |
| 7 | GND | power_in | Ground reference (0V). |
| 8 | 3Y | bidirectional | Analog switch 3 input/output terminal A, supports 0V to VCC bidirectional signal path. |
| 9 | 3Z | bidirectional | Analog switch 3 input/output terminal B, supports 0V to VCC bidirectional signal path. |
| 10 | 4Z | bidirectional | Analog switch 4 input/output terminal B, supports 0V to VCC bidirectional signal path. |
| 11 | 4Y | bidirectional | Analog switch 4 input/output terminal A, supports 0V to VCC bidirectional signal path. |
| 12 | 4E | input | Active-high enable input for switch 4; logic high enables switch, logic low disables. |
| 13 | 1E | input | Active-high enable input for switch 1; logic high enables switch, logic low disables. |
| 14 | VCC | power_in | Positive supply voltage, HC types operating range 2V to 10V. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `CD74HC4016MT`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files: `cd74hc4016mt-etched.step` / `cd74hc4016mt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cd74hc4016mt.step` / `cd74hc4016mt.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/cd74hc4016) (19 pp, sha256 `ca0ef8d9f9f47dc0`, retrieved 2026-10-03, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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/cd74hc4016mt-datasheet.pdf)