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HD74HC680 Datasheet, PDF (6/10 Pages) Hitachi Semiconductor – 12-bit Address Comparator | |||
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HD74HC680
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = â40 to
+85°C
Item
Symbol
Propagation delay tPLH
time
t PHL
VCC (V)
2.0
4.5
6.0
Min Typ Max Min
â â 330 â
â 26 66 â
â â 56 â
Max Unit
410 ns
82
70
t PLH
2.0
â â 210 â 265 ns
t PHL
4.5
â 19 42 â 53
6.0
â â 36 â 45
t PLH
2.0
â â 150 â 190 ns
t PHL
4.5
â 18 30 â 38
6.0
â â 26 â 33
Output rise/fall
t TLH
time
t THL
2.0
â â 75 â 95 ns
4.5
â 6 15 â 19
6.0
â â 13 â 16
Input capacitance Cin
â
â 5 10 â 10 pF
Test Conditions
P to Y
A to Y
C to Y
6
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