# SN74HC257ANSR (Component)
## Description
Signal Switches, Multiplexers, Decoders
SN74HC257ANSR
SO-16_L10.2-W5.3-P1.27-LS7.8-BL
LCSC Part Number: C20552668
JLCPCB Part Class: Extended Part
Manufactured by TI(德州仪器)
## Component Details
- **Owner:** lcsc
- **Created:** 3/16/2026
- **Last Updated:** 3/16/2026
- **Visibility:** Public
- **LCSC Part Number:** C20552668
- **Manufacturer Part Number:** SN74HC257ANSR
- **Manufacturer Name:** TI(德州仪器)
- **JLCPCB Part Class:** Extended Part
- **Package or Case Code:** SO-16_L10.2-W5.3-P1.27-LS7.8-BL
- **Part Type:** Signal Switches, Multiplexers, Decoders
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/sn74hc257ansr/texas-instruments.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C20552668.html) | $1.0067 | 0 |
| [Mouser](https://www.mouser.com/en/ProductDetail/Texas-Instruments/SN74HC257ANSR?qs=6oMev5NRZMF%252Be0CnEqnXYQ%3D%3D) | $1.38 | 0 |
| [Verical](https://www.verical.com/pd/texas-instruments-multiplexer-SN74HC257ANSR-13775149?utm_currency=USD) | N/A | N/A |
- **Part Type:** Electromechanical Components
- **Manufacturer:** Texas Instruments
- **MPN:** SN74HC257ANSR
- **Mount Type:** PCB
- **Package / Case Code:** 16-SO
- **Pin Count:** 16
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | ~{A}/B | |
| 2 | 1A | |
| 3 | 1B | |
| 4 | 1Y | |
| 5 | 2A | |
| 6 | 2B | |
| 7 | 2Y | |
| 8 | GND | |
| 9 | 3Y | |
| 10 | 3B | |
| 11 | 3A | |
| 12 | 4Y | |
| 13 | 4B | |
| 14 | 4A | |
| 15 | ~{G} | |
| 16 | VCC | |
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*Generated from [https://www.flux.ai/lcsc/sn74hc257ansr~y3jv](https://www.flux.ai/lcsc/sn74hc257ansr~y3jv)*