HD74HC688 Description
The HD74HC688 pares bit for bit two 8-bit words and indicates whether or not they are equal. The P=Q output indicates equality when it is low. A single active low enable is provided to facilitate cascading of several packages and enable parison of words greater than 8-bits.
HD74HC688 Key Features
- High Speed Operation: tpd (P or Q to Output) = 17 ns typ (C L = 50 pF High Output Current: Fanout of 10 LSTTL Loads Wide
- 0.5 1.35 1.8
- 0.5 1.5 3.15 4.2
- 1.9 4.4 5.9 4.13 5.63
- Output voltage
- 4.4 4.5
- 5.9 6.0
- Input current Quiescent supply current
- 24 20 75 15 13 10
- 0.05 0°