Datasheet4U Logo Datasheet4U.com

SN54HC688 Datasheet 8-BIT IDENTITY COMPARATORS

Manufacturer: Texas Instruments

General Description

These identity comparators perform comparisons of two 8-bit binary or BCD words.

An output-enable (OE) input may be used to force the output to the high level.

PART NUMBER SN74HC688DW SN74HC688N SN74HC688PWR SN54HC688J SNJ54HC688FK Device Information PACKAGE(1) BODY SIZE (NOM) SOIC (20) 12.80 mm × 7.50 mm PDIP (20) 25.40 mm × 6.35 mm TSSOP (20) 6.50 mm × 4.40 mm CDIP (20) 26.92 mm × 6.92 mm LCCC (20) 8.89 mm × 8.45 mm (1) For all available packages, see the orderable addendum at the end of the data sheet.

Overview

SN54HC688, SN74HC688 SCLS010F – DECEMBER 1982 – REVISED MAY 2022 SN54HC688, SN74HC688 8-Bit Identity Comparators.

Key Features

  • Wide operating voltage range of 2 V to 6 V.
  • High-current outputs 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.
  • Compare two 8-bit words 2.