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MM54HC42 Datasheet Bcd-to-decimal Decoder

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: MM54HC42 MM74HC42 BCD-to-Decimal Decoder January 1988 MM54HC42 MM74HC42 BCD-to-Decimal.

General Description

This decoder utilizes advanced silicon-gate CMOS technology Data on the four input pins select one of the 10 outputs corresponding to the value of the BCD number on the inputs An output will go low when selected otherwise it remains high If the input data is not a valid BCD number all outputs will remain high The circuit has high noise immunity and low power consumption usually associated with CMOS circuitry yet also has speeds parable to low power Schottky TTL (LS-TTL) circuits and is capable of driving 10 LS-TTL equivalent loads All inputs are protected from damage due to static discharge by diodes to VCC and ground

Key Features

  • Y Y Y Y Typical propagation delay 15 ns Wide supply range 2V.
  • 6V Low quiescent current 80 mA (74HC) Fanout of 10 LS-TTL loads Connection Diagram Dual-in-line Package Truth Table No Inputs D C B A 0 L L L L L L L L L H L L L H H H H H.

More Datasheets from National Semiconductor (now Texas Instruments)

Part Number Description
MM54HC4016 Quad Analog Switch
MM54HC4017 Decade Counter/Divider
MM54HC4020 14-Stage Binary Counter
MM54HC4040 12-Stage Binary Counter
MM54HC4511 BCD-to-7 Segment Latch/Decoder/Driver
MM54HC4543 BCD-to-7 Segment Latch/Decoder/Driver
MM54HC00 Quad 2-Input NAND Gate
MM54HC112 Dual J-K Flip-Flop
MM54HC133 13-Input NAND Gate
MM54HC147 10-to-4 Line Priority Encoder

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