HD74HC237 - 3-to-8-line Decoder/Demultiplexer with Address Latch

Product Overview

Hitachi Semiconductor

Part number	HD74HC237
Manufacturer	Hitachi Semiconductor
File Size	57.27 KB
Description	3-to-8-line Decoder/Demultiplexer with Address Latch
Datasheet	HD74HC237 Datasheet
Additional preview pages of the HD74HC237 datasheet.

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.

High Speed Operation: tpd (Data to Y) = 19 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) HD74HC237 Function Table Inputs Enable GL X X L L L L L L L L H G1 X L H H H H H H H H H G2 H X L L L L L L L L L Select C X X L L L L H H H H X B X X L L H H L L H H X A X X L H L H L H L H X Outputs Y0 L L.

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Other Datasheets by Hitachi Semiconductor

HD74HC238 - 3-to-8-line Decoder/Demultiplexer
HD74HC20 - Dual 4-input NAND Gates
HD74HC21 - Dual 4-input AND Gates
HD74HC221 - Dual Monostable Multivibrators (with Schmitt Trigger Input)
HD74HC240 - Octal Buffers/Line Drivers/Line Receivers(with inverted 3-state outputs)
HD74HC241 - Octal Buffers/Line Drivers/Line Receivers(with noninverted 3-state outputs)

Published: Mar 23, 2005 |