# CD74HCT251E (Component)
## Description
Signal Switches / Encoders & Decoders / Multiplexers
CD74HCT251E
PDIP-16_L19.3-W6.4-P2.54-LS7.9-BL
LCSC Part Number: C2862435
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Manufactured by TI(德州仪器)
## Component Details
- **Owner:** lcsc
- **Created:** 3/17/2026
- **Last Updated:** 3/17/2026
- **Visibility:** Public
- **Manufacturer Part Number:** CD74HCT251E
- **Part Type:** Signal Switches / Encoders & Decoders / Multiplexers
- **Package or Case Code:** PDIP-16_L19.3-W6.4-P2.54-LS7.9-BL
- **Manufacturer Name:** TI(德州仪器)
- **LCSC Part Number:** C2862435
## 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/cd74hct251e/texas-instruments.html?utm_currency=USD®ion=nac) | $0.7573 | 930 |
| [Mouser](https://www.mouser.com/en/ProductDetail/Texas-Instruments/CD74HCT251E?qs=AMJt07B76us3yd2H%2FO0niQ%3D%3D) | $0.77 | 1.1K |
| [Verical](https://www.verical.com/pd/texas-instruments-multiplexer-CD74HCT251E-34476?utm_currency=USD) | N/A | N/A |
- **Part Type:** Electromechanical Components
- **Manufacturer:** Texas Instruments
- **MPN:** CD74HCT251E
- **Package / Case Code:** PDIP
- **Pin Count:** 16
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | I3 | |
| 2 | I2 | |
| 3 | I1 | |
| 4 | I0 | |
| 5 | Y | |
| 6 | Y# | |
| 7 | OE# | |
| 8 | GND | |
| I4 | 15 | |
| I5 | 14 | |
| I6 | 13 | |
| I7 | 12 | |
| S0 | 11 | |
| S1 | 10 | |
| S2 | 9 | |
| VCC | 16 | |
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*Generated from [https://www.flux.ai/lcsc/cd74hct251e~11p5](https://www.flux.ai/lcsc/cd74hct251e~11p5)*