HD74HC682/HD74HC684 8-bit Magnitude Comparator Description These magnitude comparators perform comparisons of two eight-bit binary or BCD words.
All types provide P=Q outputs and provide PQ outputs.
The HD74HC682 features 20 k pullup termination resistors on the Q inputs for analog or switch data.
Type HD74HC682 HD74HC684 P=Q Yes Yes PQ Yes Yes Output Enable No No 20 kΩ Pullup Yes No Features • • • • • High Speed Operation High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Input Data P, Q P=Q PQ PQ Note: Outputs P=Q L H H PQ H L H 1.
The PQ ...

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