74HC688D comparator equivalent, 8-bit magnitude comparator.
* Compare two 8-bit words
* Wide supply voltage range from 2.0 V to 6.0 V
* CMOS input levels
* CMOS low power dissipation
* High noise immunity
*.
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.
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