3-to-8 Line Decoder

The MC74VHC138 is an advanced high speed CMOS 3−to−8 decoder fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation.

• High Speed: tPD= 5.7ns (Typ) at VCC= 5 V

• Low Power Dissipation: ICC= 4 μA (Max) at TA= 25°C

• High Noise Immunity: VNIH= VNIL= 28 VCC

• Power Down Protection Provided on Inputs

• Balanced Propagation Delays

• Designed for 2 V to 5.5 V Operating Range

• Low Noise: VOLP= 0.8 V (Max)

• Pin and Function Compatible with Other Standard Logic Families

• Latchup Performance Exceeds 300 mA

• ESD Performance: HBM > 2000 V; Machine Model > 200 V

• Chip Complexity: 122 FETs or 30.5 Equivalent Gates

• These Devices are Pb−Free and are RoHS Compliant

MC74VHC138DT属于集成电路（IC） > 信号开关，多路复用器，解码器。安森美半导体公司制造生产的MC74VHC138DT信号开关，多路复用器，解码器逻辑型信号开关、多路复用器和编码器 IC 可用于对以数字格式表示数据的电信号进行路由和选择。这些器件与设计用于模拟信号的类似产品有所不同，它们保留的信息表示为两个电状态之一，而不是两个外部界限内的无穷变化量。