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CD74HCT85M - High-Speed CMOS Logic 4-Bit Magnitude Comparator

Download the CD74HCT85M datasheet PDF. This datasheet also covers the CD74HC85 variant, as both devices belong to the same high-speed cmos logic 4-bit magnitude comparator family and are provided as variant models within a single manufacturer datasheet.

Description

The ’HC85 and ’HCT85 are high speed magnitude comparators that use silicon-gate CMOS technology to achieve operating speeds similar to LSTTL with the low power consumption of standard CMOS integrated circuits.

Features

  • Buffered inputs and outputs.
  • Typical propagation delay: 13 ns (data to output at VCC = 5 V, CL = 15 pF, TA = 25℃).
  • Serial or parallel expansion without external gating.
  • 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 L.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CD74HC85-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
CD74HCT85 High-Speed CMOS Logic 4-Bit Magnitude Comparator
CD74HCT85E High-Speed CMOS Logic 4-Bit Magnitude Comparator
CD74HCT86 High-Speed CMOS Logic Quad 2-Input EXCLUSIVE-OR Gate
CD74HCT00 Quadruple 2-Input NAND Gates
CD74HCT00E Quadruple 2-Input NAND Gates

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
CD54HC85, CD74HC85, CD54HCT85, CD74HCT85 SCHS136F – AUGUST 1997 – REVISED FEBRUARY 2022 CDx4HC85, CDx4HCT85 High-Speed CMOS Logic 4-Bit Magnitude Comparator 1 Features • Buffered inputs and outputs • Typical propagation delay: 13 ns (data to output at VCC = 5 V, CL = 15 pF, TA = 25℃) • Serial or parallel expansion without external gating • 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.