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HD74HCT688

Part Number	HD74HCT688
Manufacturer	Hitachi Semiconductor
Description	8-bit Magnitude Comparator
Published	Mar 23, 2005
Detailed Description	HD74HCT688 8-bit Magnitude Comparator Description The HD74HCT688 compares bit for bit two 8-bit words and indicate whet...
Datasheet	HD74HCT688 PDF File

Overview

HD74HCT688 8-bit Magnitude Comparator Description The HD74HCT688 compares bit for bit two 8-bit words and indicate whether or not they are equal.
The P=Q output indicates equality when it is low.
A single active low enable is provided to facilitate cascading of several packages and enable comparison of words greater than 8 bits.
This device is useful in memory block decoding applications, where memory block enable signals must be generated from computer address information.
Features • • • • • • LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility High Speed Operation: tpd (Data to P=Q) = 18 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operat...

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