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IDT54/74FCT521/A/B/C

FAST CMOS 8-BIT IDENTITY COMPARATOR

MILITARYANDCOMMERCIALTEMPERATURERANGES

JUNE 2000

1999

Integrated Device Technology, Inc.

DSC-4617/2

c

IDT54/74FCT521/A/B/C

MILITARY AND COMMERCIAL TEMPERATURE RANGES

FAST CMOS

8-BIT IDENTITY

COMPARATOR

DESCRIPTION:

The FCT521 is an 8-bit identity comparator built using an advanced dual

metal CMOS technology. These devices compare two words of up to eight

bits each and provide a low output when the two words match bit for bit. The

expansion input

FUNCTIONAL BLOCK DIAGRAM

2

3

4

5

6

7

8

9

11

12

13

14

15

16

17

18

1

19

FEATURES:

− IDT54/74FCT521A 35% faster than FAST

− IDT54/74FCT521B 50% faster than FAST

− IDT54/74FCT521C 60% faster than FAST

− Equivalent to FAST output drive over full temperature and voltage

supply extremes

− CMOS power levels (1mW typ. static)

− TTL input and output level compatible

− CMOS output level compatible

− Substantially lower input current levels than FAST (5µA max.)

− JEDEC standard pinout for DIP and LCC

− Military product compliant to MIL-STD-883, Class B

− Available in the following packages:

•

Commercial: SOIC

•

Military: CERDIP, LCC, CERPACK