SN74HCS259中文资料8 位可寻址锁存器数据手册TI规格书

描述 Description

The SN74HCS259 8-bit addressable latches are designed for general-purpose storage applications in digital systems. Specific uses include working registers, serial-holding registers, and active-high decoders or demultiplexers. They are multifunctional devices capable of storing single-line data in eight addressable latches and being a 1-of-8 decoder or demultiplexer with active-high outputs.

特性 Features

• Wide operating voltage range: 2 V to 6 V
• Low power consumption
• Typical input leakage current of ±100 nA
• ±7.8-mA output drive at 6 V
• Extended ambient temperature range: –40°C to +125°C, TA

简介

SN74HCS259属于集成电路（IC）的锁存器。由TI制造生产的SN74HCS259锁存器锁存器是类似于触发器的基本数字存储设备，但是不同之处在于，在锁存使能（或类似命名）信号处于有效逻辑状态的任何时间，保持的逻辑状态都可以改变。“透明”锁存器还允许设备输出在锁存使能信号有效时反映输入的当前状态，而相反的是，状态仅在保持状态已固定时改变。