PI74FCT521T Datasheet | Pericom Semiconductor

Features : - PI74FCT521T is pin patible with bipolar FAST™ Series at a higher speed and lower power consumption - TTL input and output levels - Extremely low static power - Hysteresis on all inputs - Industrial operating temperature range: - 40°C to +85°C - Packages available: .. - 20-pin 173 mil wide plastic TSSOP (L) - 20-pin 300 mil wide plastic DIP (P) - 20-pin 150 mil wide plastic QSOP (Q) - 20-pin 150 mil wide plastic TQSOP (R) - 20-pin 300 mil wide plastic SOIC (S) Fast CMOS 8-Bit Identity parator Product Description : Peri Semiconductor’s PI74FCT series of logic circuits are produced in the pany’s advanced 0.8 micron CMOS technology, achieving industry leading speed grades. The PI74FCT521T is an 8-bit identity parator. When two words of up to eight bits are pared, a bit-for-bit match of the two words provides a LOW output. The parison can be extended over multiple words by the expansion input. The expansion input IA=B also serves as an active LOW enable input. Logic Block Diagram A0 B0 A1 B1 A2 B2 A3 B3 OA=B A4 B4 A5 B5 A6 B6 A7 B7 I A=B PS2019A 03/11/96 PI74FCT521T 8-BIT IDENTITY PARATOR 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Product Pin Description Pin Name IA=B OA=B A0- A7 B0- B7 GND VCC .. Truth Table(1) Inputs IA=B L L H H A, B A = B- A≠B A = B- A≠B Output OA=B L H H H Description Expansion or Enable Input (Active LOW) Identity Output (Active LOW) Word A Inputs Word B Inputs Ground Power Product Pin...