IDT54FCT521

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...