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IDT54FCT521AT

Integrated Device Technology
Part Number IDT54FCT521AT
Manufacturer Integrated Device Technology
Description FAST CMOS 8-BIT IDENTITY COMPARATOR
Published Apr 3, 2005
Detailed Description FAST CMOS 8-BIT IDENTITY COMPARATOR Integrated Device Technology, Inc. IDT54/74FCT521T IDT54/74FCT521AT IDT54/74FCT521B...
Datasheet PDF File IDT54FCT521AT PDF File

IDT54FCT521AT
IDT54FCT521AT


Overview
FAST CMOS 8-BIT IDENTITY COMPARATOR Integrated Device Technology, Inc.
IDT54/74FCT521T IDT54/74FCT521AT IDT54/74FCT521BT IDT54/74FCT521CT FEATURES: • • • • Std.
, A, B and C speed grades Low input and output leakage ≤1µA (max.
) CMOS power levels True TTL input and output compatibility – VOH = 3.
3V (typ.
) – VOL = 0.
3V (typ.
) High drive outputs (-15mA IOH, 48mA IOL) Meets or exceeds JEDEC standard 18 specifications Product available in Radiation Tolerant and Radiation Enhanced versions Military product compliant to MIL-STD-883, Class B and DESC listed (dual marked) Available in DIP, SOIC, SSOP, QSOP, CERPACK and LCC packages DESCRIPTION: The IDT54/74FCT521T/AT/BT/CT are 8-bit identity comparators 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 PIN CONFIGURATIONS IA=B 1 2 3 4 5 6 7 8 9 10 20 19 P20-1 D20-1 SO20-2 SO20-7 SO20-8 & E20-1 18 17 16 15 14 13 12 11 VCC OA=B B7 A7 B6 A6 B5 A5 B4 A4 2572 drw 02 A0 B0 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 IA=B 2572 drw 01 A0 B0 A1 B1 A2 B2 A3 B3 GND OA=B DIP/SOIC/SSOP/QSOP/CERPACK TOP VIEW 3 2 A1 B1 A2 B2 A3 4 5 6 7 8 I A=B VCC B0 A0 INDEX 1 20 19 18 17 16 15 14 OA=B B7 A7 B6 A6 B5 L20-2 9 10 11 12 13 B3 GND A4 B4 A5 2572 drw 03 LCC TOP VIEW The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES ©1995 Integrated Device Technology, Inc.
APRIL 1995 DSC-4210/4 6.
16 1 IDT54/74FCT521T/AT/BT/CT FAST CMOS 8-BIT IDENTITY COMPARATOR MILITARY AND COMMERCIAL TEMPERATURE RANGES PIN DESCRIPTION Pin Names A0 - A 7 B0 - B 7 IA OA ABSOLUTE MAXIMUM RATINGS(1) Description Word A Inputs Word B Inputs Expansion or Enable Input (Active LOW) Identity Output (Active LOW) 2572 tbl 01 =B =B FUNCTION TABLE(1) Inputs IA=B Output A...



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