74HC688
8-bit magnitude comparator
Rev.
4 — 16 July 2021
Product data sheet
1.
General description
The 74HC688 is an 8-bit magnitude comparator.
It performs comparisons of two 8-bit binary or BCD words.
Inputs include clamp diodes.
This enables the use of current limiting resistors to interface inputs to
voltages in excess of VCC.
2.
Features and benefits
• Compare two 8-bit words • Wide supply
voltage range from 2.
0 to 6.
0 V •
CMOS input levels •
CMOS low power dissipation • High noise immunity • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B • Complies with JEDEC standards
• JESD8C (2.
7 V to 3.
6 V) • JESD7A (2.
0 V to 6.
0 V) • ESD protection: • HBM JESD22-A114-F exceeds...