HD74HC237 3-to-8-line Decoder/Demultiplexer with Address Latch Description The HD74HC237 decodes a three-bit Address to one-of-eight active-high outputs.
The device has a transparent latch for storage of the Address.
Two Chip Selects, one active-low and one active-high, are provided to facilitate the demultiplexing, cascading, and chip-selecting functions.
The demultiplexing function is accomplished by using the Address inputs to select the desired device output, and then by using one of the Chip Selects as a data input while holding the other one active.
The HD74HD237 is the noninverting version of the HD74HC137.
Features • • • • • High Speed Operation: tpd (Data to Y) = 19 ns typ (CL = 5...

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