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CD74HC283 - 4-Bit Binary Full Adder

General Description

The CDx4HC283 and CDx4HCT283 contain 4-bit binary adders.

The HCT device has TTL-voltage compatible inputs.

Key Features

  • Adds two binary numbers.
  • Full internal lookahead.
  • Fast ripple carry for economical expansion.
  • Operates with both positive and negative logic.
  • Fanout (over temperature range).
  • Standard outputs 10 LSTTL loads.
  • Bus driver outputs 15 LSTTL loads.
  • Wide operating temperature range:.
  • 55℃ to 125℃.
  • Balanced propagation delay and transition times.
  • Significant power reduction compared to LSTTL Logic ICs.

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Other Datasheets by Texas Instruments

Part Number Description
CD74HC280 9-Bit Odd/Even Parity Generator/Checker
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
CD54HC283, CD74HC283, CD54HCT283, CD74HCT283 SCHS176E – NOVEMBER 1997 – REVISED JULY 2022 High-Speed CMOS Logic 4-Bit Binary Full Adder with Fast Carry 1 Features • Adds two binary numbers • Full internal lookahead • Fast ripple carry for economical expansion • Operates with both positive and negative logic • Fanout (over temperature range) – Standard outputs 10 LSTTL loads – Bus driver outputs 15 LSTTL loads • Wide operating temperature range: –55℃ to 125℃ • Balanced propagation delay and transition times • Significant power reduction compared to LSTTL Logic ICs • HC types – 2 V to 6 V operation – High noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5 V • HCT types – 4.5 V to 5.5 V operation – Direct LSTTL input logic compatibility, VIL = 0.