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1 Features

? Wide operating voltage range: 2 V to 6 V

? Schmitt-trigger inputs allow for slow or noisy input

signals

? Low power consumption

– Typical ICC of 100 nA

– 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

2 Applications

? Memory device selection with shared data bus

? Reduce required number of outputs for chip select

applications

? Route data

3 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.