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NTE74LS40 IC TTL Dual 4−Input Positive NAND Buffer

Model:

NTE74LS40

 | Catalog #: 55051146
Price:
$1.22
$1.22
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  • Features:
  • Single−rail outputs
  • Selects one of two 4−bit data sources and stores data synchronously with system clock
  • Absolute Maximum Ratings:
  • Supply voltage VCC: 7V
  • Input voltage: 7V
  • Operating temperature range TA: 0°C to +70°C
  • Storage temperature range Tstg: -65°C to +150°C
  • Unless otherwise specified, all voltages are referenced to GND

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  • Features:
  • Double−rail outputs
  • Similar to NTE74LS298, which has inverted clock
  • Selects one of two 4−bit data sources and stores data synchronously with system clock
  • Applications:
  • Dual source of operands and constants in arithmetic processor; can release processor
  • Register files for acquiring new data
  • Implement separate registers capable of parallel exchange of contents yet retain external load
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  • Even has compound left−right capabilities
  • Absolute Maximum Ratings:
  • Supply voltage VCC: 7V
  • Input voltage: 7V
  • Operating temperature range TA: 0°C to +70°C
  • Storage temperature range Tstg: -65°C to +150°C
  • Unless otherwise specified, all voltages are referenced to GND

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  • Features:
  • Parallel access
  • Propagation delay time: 20ns (Typ)
  • Power dissipation: 120mW (Typ)
  • Applications:
  • N−bit storage files
  • Hex/BCD serial−to−parallel converter
  • Absolute Maximum Ratings:
  • Supply voltage VCC: 7V
  • Input voltage: 7V
  • Operating temperature range TA: 0°C to +70°C
  • Storage temperature range Tstg: -65°C to +150°C
  • Unless otherwise specified, all voltages are referenced to GND

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  • Features:
  • Three−state, 4−bit, cascadable, parallel−in, parallel−out register
  • Low-power dissipation (enabled): 75mW (Typ)
  • Applications:
  • N−bit serial−to−parallel converter
  • N−bit parallel−to−serial converter
  • N-bit storage register
  • Absolute Maximum Ratings:
  • Supply voltage VCC: 7V
  • Input voltage: 7V
  • Operating temperature range TA: 0°C to +70°C
  • Storage temperature range Tstg: -65°C to +150°C
  • Unless otherwise specified, all voltages are referenced to GND

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  • Features:
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  • Dual 4−bit binary counter with individual clocks
  • Direct clear for each 4−bit counter
  • Dual 4-bit versions can improve system densities by reducing counter package count by 50%
  • Typical maximum count frequency: 35MHz
  • Buffered outputs reduce possibility of collector commutation
  • Absolute Maximum Ratings:
  • Supply voltage VCC: 7V
  • Input voltage: 7V
  • Any A or B clock input voltage: 5.5V
  • Operating temperature range TA: 0°C to +70°C
  • Storage temperature range Tstg: -65°C to +150°C
  • Unless otherwise specified, all voltages are referenced to GND

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  • Features:
  • Dual version of the popular NTE74LS90
  • Individual clocks for A and B flip−flops provide dual ÷2 and ÷5 counters
  • Direct clear for each 4−bit counter
  • Dual 4−bit versions can improve system densities by reducing counter package count by 50%
  • Typical maximum count frequency: 35MHz
  • Buffered outputs reduce possibility of collector commutation
  • Absolute Maximum Ratings:
  • Supply voltage VCC: 7V
  • Clear input voltage: 7V
  • Any A or B clock input voltage: 5.5V
  • Operating temperature range TA: 0°C to +70°C
  • Storage temperature range Tstg: -65°C to +150°C
  • Unless otherwise specified, all voltages are referenced to GND

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Availability:

ONLINE In stock
Usually ships in 1 - 2 business days


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Product Summary

The NTE74LS40 contains two independent 4−input NAND buffer gates in a 14−lead plastic DIP-type package.

  • Supply voltage VCC: 7V
  • DC input voltage VIN: 7V
  • Operating temperature range TA: 0°C to +70°C
  • Storage temperature range Tstg: −65°C to +150°C
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