74HCT138集成电路（IC）的信号开关多路复用器解码器规格书PDF中文资料

General description

The 74HC138; 74HCT138 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL).

Features and benefits

■ Demultiplexing capability

■ Multiple input enable for easy expansion

■ Complies with JEDEC standard no. 7A

■ Ideal for memory chip select decoding

■ Active LOW mutually exclusive outputs

■ ESD protection:

◆ HBM EIA/JESD22-A114F exceeds 2000 V

◆ MM EIA/JESD22-A115-A exceeds 200 V

■ Multiple package options

■ Specified from −40 °C to +85 °C and from −40 °C to +125 °C