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SN74HC42

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4-Line To 10-Line Decoders (1 of 10)

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Data sheet

SN74HC42

ACTIVE
Data sheet Order now

Product details

Technology family HC Number of channels 1 Operating temperature range (°C) -40 to 85 Rating Catalog Supply current (max) (µA) 80
Technology family HC Number of channels 1 Operating temperature range (°C) -40 to 85 Rating Catalog Supply current (max) (µA) 80
SOIC (D) 16 59.4 mm² (9.9 mm × 6 mm) PDIP (N) 16 181.42 mm² (19.3 mm × 9.4 mm)
  • Wide Operating Voltage Range of 2 V to 6 V
  • Outputs Can Drive Up To 10 LSTTL Loads
  • Low Power Consumption, 80-µA Max ICC
  • Typical tpd = 14 ns
  • ±4-mA Output Drive at 5 V
  • Low Input Current of 1 µA Max
  • Full Decoding of Input Logic
  • All Outputs Are High for Invalid BCD Conditions
  • Also for Applications as 3-Line to 8-Line Decoders
  • Wide Operating Voltage Range of 2 V to 6 V
  • Outputs Can Drive Up To 10 LSTTL Loads
  • Low Power Consumption, 80-µA Max ICC
  • Typical tpd = 14 ns
  • ±4-mA Output Drive at 5 V
  • Low Input Current of 1 µA Max
  • Full Decoding of Input Logic
  • All Outputs Are High for Invalid BCD Conditions
  • Also for Applications as 3-Line to 8-Line Decoders

These decimal decoders consist of eight inverters and ten 4-input NAND gates. The inverters are connected in pairs to make BCD input data available for decoding by the NAND gates. Full decoding of valid input logic ensures that all inputs remain off for all invalid input conditions.

These decimal decoders consist of eight inverters and ten 4-input NAND gates. The inverters are connected in pairs to make BCD input data available for decoding by the NAND gates. Full decoding of valid input logic ensures that all inputs remain off for all invalid input conditions.
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* Data sheet SN54HC42, SN74HC42 datasheet (Rev. D) Sep 26, 2003

Design & development

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Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

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SOIC (D) 16 Ultra Librarian
PDIP (N) 16 Ultra Librarian
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