# SN74LV8T541PWR

**Texas Instruments** · IC · TSSOP-20

SN74LV8T541PWR from Texas Instruments, in a TSSOP-20. 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 | OE1 | input | Output enable input 1, active low; both OE1 and OE2 must be low for the outputs to be active. |
| 2 | A1 | input | Input for channel 1 (5.5V tolerant input). |
| 3 | A2 | input | Input for channel 2 (5.5V tolerant input). |
| 4 | A3 | input | Input for channel 3 (5.5V tolerant input). |
| 5 | A4 | input | Input for channel 4 (5.5V tolerant input). |
| 6 | A5 | input | Input for channel 5 (5.5V tolerant input). |
| 7 | A6 | input | Input for channel 6 (5.5V tolerant input). |
| 8 | A7 | input | Input for channel 7 (5.5V tolerant input). |
| 9 | A8 | input | Input for channel 8 (5.5V tolerant input). |
| 10 | GND | power_in | Ground. |
| 11 | Y8 | output | 3-state output for channel 8, referenced to VCC. |
| 12 | Y7 | output | 3-state output for channel 7, referenced to VCC. |
| 13 | Y6 | output | 3-state output for channel 6, referenced to VCC. |
| 14 | Y5 | output | 3-state output for channel 5, referenced to VCC. |
| 15 | Y4 | output | 3-state output for channel 4, referenced to VCC. |
| 16 | Y3 | output | 3-state output for channel 3, referenced to VCC. |
| 17 | Y2 | output | 3-state output for channel 2, referenced to VCC. |
| 18 | Y1 | output | 3-state output for channel 1, referenced to VCC. |
| 19 | OE2 | input | Output enable input 2, active low; both OE1 and OE2 must be low for the outputs to be active. |
| 20 | VCC | power_in | Positive supply, recommended 1.65V to 5.5V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-20 |
| Category |  |
| Pins | 20 |

## CAD (KiCad official)

- Symbol: `SN74LV8T541PWR`
- Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm`
- 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files: `sn74lv8t541pwr-etched.step` / `sn74lv8t541pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lv8t541pwr.step` / `sn74lv8t541pwr.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/sn74lv8t541.pdf) (31 pp, sha256 `8f4e1f486abd7d05`, retrieved 2026-10-23, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/sn74lv8t541pwr-datasheet.pdf)