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HD74HC42 - BCD-to-Decimal Decoder

Description

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.

Features

  • High Speed Operation: tpd = 13 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) HD74HC42 Function Table BCD Inputs No. 0 1 2 3 4 5 6 7 8 9 D L L L L L L L L H H C L L L L H H H H L L L L H H H H B L L H H L L H H L L H H L L H H A L H L H L H L H L H L H L H L H Decimal Outputs 0 L H H H H H H H H.

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📁 Similar Datasheet

Part Number Description Manufacturer
HD74HC42 BCD-to-Decimal Decoder Renesas
HD74HC423A Dual Retriggerable Monostable Multivibrators Renesas
HD74HC4017 Decade Counter / Divider Renesas
HD74HC4020 14-stage Binary Counter Renesas
HD74HC4022 Octal Counters/Dividers Renesas

Other Datasheets by Hitachi Semiconductor (now Renesas)

Part Number Description
HD74HC423A Dual Retriggerable Monostable Multivibrators
HD74HC4017 Decade Counter/Divider
HD74HC4020 14-stage Binary Counter
HD74HC4022 Octal Counters/Dividers
HD74HC4024 7-stage Binary Counter

Full PDF Text Transcription

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HD74HC42 BCD-to-Decimal Decoder Description 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. Features • • • • • High Speed Operation: tpd = 13 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) HD74HC42 Function Table BCD Inputs No.
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