# TMUX1574PWR

**Texas Instruments** · Analog Switches, Multiplexers · TSSOP-16

TMUX1574PWR from Texas Instruments, in a TSSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | SEL | input | Select pin: controls state of switches according to Table 1. Internal 6 MΩ pull-down to GND. |
| 2 | S1A | bidirectional | Source pin 1A. Can be an input or output. |
| 3 | S1B | bidirectional | Source pin 1B. Can be an input or output. |
| 4 | D1 | bidirectional | Drain pin 1. Can be an input or output. |
| 5 | S2A | bidirectional | Source pin 2A. Can be an input or output. |
| 6 | S2B | bidirectional | Source pin 2B. Can be an input or output. |
| 7 | D2 | bidirectional | Drain pin 2. Can be an input or output. |
| 8 | GND | power_in | Ground (0 V) reference |
| 9 | D3 | bidirectional | Drain pin 3. Can be an input or output. |
| 10 | S3B | bidirectional | Source pin 3B. Can be an input or output. |
| 11 | S3A | bidirectional | Source pin 3A. Can be an input or output. |
| 12 | D4 | bidirectional | Drain pin 4. Can be an input or output. |
| 13 | S4B | bidirectional | Source pin 4B. Can be an input or output. |
| 14 | S4A | bidirectional | Source pin 4A. Can be an input or output. |
| 15 | EN | input | Active low enable: When this pin is high, all switches are turned off. When this pin is low, SEL pin controls the signal path selection. Internal 6 MΩ pull-down to GND. |
| 16 | VDD | power_in | Positive power supply. This pin is the most positive power-supply potential. For reliable operation, connect a decoupling capacitor ranging from 0.1 µF to 10 µF between VDD and GND. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-16 |
| Category | Interface |
| Pins | 16 |

## CAD (KiCad official)

- Symbol: `TMUX1574PWR`
- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`
- 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files: `tmux1574pwr-etched.step` / `tmux1574pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tmux1574pwr.step` / `tmux1574pwr.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/tmux1574.pdf) (45 pp, sha256 `e728f7dbb2a05665`, retrieved 2026-09-22, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/tmux1574pwr-datasheet.pdf)