HD74HC678
Description
The HD74HC678 address parator simplifies addressing of memory boards and/or other peripheral devices. The four P inputs are normally hard wired with a preprogrammed address.
Key Features
- 0.5 1.35 1.8
- 95 19 16 10 pF ns ns A to C ns C to Y ns A to Y Unit ns Test Conditions P to Y VCC (V) Min Typ Max Min 2.0 4.5 6.0
- Propagation delay t PLH time t PHL t PLH t PHL 2.0 4.5 6.0 210 - 42 36
- t PLH t PHL 2.0 4.5 6.0 150 - 30 26
- Setup time t su 2.0 4.5 6.0 100 - 20 17
- 5 Output rise/fall time t TLH t THL 2.0 4.5 6.0 Input capacitance Cin
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