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SN54HC42

ACTIVE

4-Line To 10-Line Decoders BCD To Decimal

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Data sheet

SN54HC42

ACTIVE
Data sheet Order now

Product details

Technology family HC Number of channels 1 Operating temperature range (°C) -55 to 125 Rating Military Supply current (max) (µA) 160
Technology family HC Number of channels 1 Operating temperature range (°C) -55 to 125 Rating Military Supply current (max) (µA) 160
CDIP (J) 16 135.3552 mm² 19.56 x 6.92 LCCC (FK) 20 79.0321 mm² 8.89 x 8.89
  • 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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Technical documentation

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Type Title Date
* Data sheet SN54HC42, SN74HC42 datasheet (Rev. D) 26 Sep 2003
* SMD SN54HC42 SMD 5962-86821 21 Jun 2016
Application note Implications of Slow or Floating CMOS Inputs (Rev. E) 26 Jul 2021
Selection guide Logic Guide (Rev. AB) 12 Jun 2017
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 02 Dec 2015
User guide LOGIC Pocket Data Book (Rev. B) 16 Jan 2007
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 08 Jul 2004
User guide Signal Switch Data Book (Rev. A) 14 Nov 2003
Application note TI IBIS File Creation, Validation, and Distribution Processes 29 Aug 2002
Application note CMOS Power Consumption and CPD Calculation (Rev. B) 01 Jun 1997
Application note Designing With Logic (Rev. C) 01 Jun 1997
Application note Input and Output Characteristics of Digital Integrated Circuits 01 Oct 1996
Application note Live Insertion 01 Oct 1996
Application note SN54/74HCT CMOS Logic Family Applications and Restrictions 01 May 1996
Application note Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc 01 Apr 1996

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Package Pins CAD symbols, footprints & 3D models
CDIP (J) 16 Ultra Librarian
LCCC (FK) 20 Ultra Librarian
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