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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
8-Bit Equality Comparator
High–Performance Silicon–Gate CMOS
The MC54/74HC688 is identical in pinout to the LS688. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs. The HC688 compares two 8–bit binary or BCD words and indicates whether or not they are equal. By using the Cascade Input, two or more of the devices may be cascaded to compare words of more than 8 bits. • • • • • • Output Drive Capability: 10 LSTTL Loads Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range: 2 to 6 V Low Input Current: 1 µA High Noise Immunity Characteristic of CMOS Devices In Compliance with the Requirements Defined by JEDEC Standard No.
MC74HC688 Datasheet
