Datasheet Details
| Part number | HD74HC688 |
|---|---|
| Manufacturer | Renesas |
| File Size | 225.74 KB |
| Description | 8-bit Magnitude Comparator |
| Datasheet |
 HD74HC688 Datasheet
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Description
The HD74HC688 compares 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 comparison of words greater than 8-bits.
Features
- High Speed Operation: tpd (P or Q to Output) = 17 ns typ (CL = 50 pF).
- 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).
- Ordering Information Part Name Package Type Package Code (Previous Code) Package Abbreviation HD74HC688P DILP-20 pin (JEDEC) PRDP0020AC-B (DP-20NEV) P HD74H.