美利体育登录入口官网:GB/T 17023-1997
半导体器件 集成电路 第2部分;数字集成电路 第二篇 HCMOS数字集成电路54/74HC、54/74HCT、54/74HCU系列族规范
Semiconductor devices. Integrated circuits. Part 2: Digital integrated circuits. Section two-Family specification for HCMOS digital integrated circuits series 54/74HC, 54/74HCT, 54/74HCU
GBT17023-1997, GB17023-1997