SN54ALS259,SN74ALS259,pdf(8-Bi

These 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.

addressed latch follows the data input with all unaddressed latches remaining in their previous states.