FAST CMOS 8-BIT IDENTITY COMPARATOR
IDT54/74FCT521/A/B/C FAST CMOS 8-BIT IDENTITY COMPARATOR
FAST CMOS 8-BIT IDENTITY COMPARATOR
MILITARY AND COMMERCIAL TE...
Description
IDT54/74FCT521/A/B/C FAST CMOS 8-BIT IDENTITY COMPARATOR
FAST CMOS 8-BIT IDENTITY COMPARATOR
MILITARY AND COMMERCIAL TEMPERATURE RANGES
IDT54/74FCT521/A/B/C
FEATURES:
− IDT54/74FCT521 equivalent to FASTTM speed − 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
− IOL = 48mA (commercial), and 32mA (military) − CMOS power levels (1mW typ. static) − TTL input and output level compatible − CMOS output level compatible − Substantially lower input current levels than FAST (5µ A 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
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 IA = B also serves as an active low enable input.
FUNCTIONAL BLOCK DIAGRAM
A0 2 B0 3
A1 4 B1 5
A2 6 B2 7
A3 8 B3 9
A4 11 B4 12
A5 13 B5 14
A6 15 B6 16
A7 17 B7 18 IA=B 1
MILITARY AND COMMERCIAL TEMPERATURE RANGES
c 1999 Integrated Device Technology, Inc.
1
19 OA=B
JUNE 2000
DSC-4617/2
IDT54/74FCT521/A/B/C FAST CMOS 8-BIT IDENTITY COMPARATOR
PIN CONFIGURATION
MILITARY AND COMMERCIAL TEMPERATURE RANGES
B0 A0 IA=B VCC OA=B...
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