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HD74HC160 Datasheet, PDF (4/16 Pages) Hitachi Semiconductor – Synchronous Decade,4-bit Binary,Counter(Direct Clear,Synchronous Clear) | |||
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HD74HC160/HD74HC161/HD74HC162/HD74HC163
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = â40 to
+85°C
Item
Maximum clock
frequency
Symbol
f max
VCC (V)
2.0
4.5
Min Typ Max Min
ââ5 â
â â 25 â
Max Unit Test Conditions
4
MHz
20
6.0
â â 29 â 23
Propagation delay tPLH
time
t PHL
2.0
â â 160 â 200 ns Clock to Q
4.5
â 18 32 â 40
6.0
â â 27 â 34
2.0
â â 225 â 280 ns Clear to Q
4.5
â 23 45 â 56
(HC160, HC161 only)
6.0
â â 38 â 48
2.0
â â 150 â 190 ns Enable T to Ripple Carry output
4.5
â 15 30 â 38
6.0
â â 26 â 33
2.0
â â 200 â 250 ns Clock to Ripple carry output
4.5
â 16 40 â 50
6.0
â â 34 â 43
Setup time
t su
2.0
125 â â 156 â ns Data to Clock
4.5
25 9 â 31 â
6.0
21 â â 26 â
2.0
125 â â 156 â
Load to Clock
4.5
25 15 â 31 â
6.0
21 â â 26 â
2.0
125 â â 156 â
Clear to Clock
4.5
25 â â 31 â
(HC162, HC163 only)
6.0
21 â â 26 â
Hold time
th
2.0
0 ââ 0
â ns
4.5
0 â7 â 0
â
6.0
0 ââ 0
â
Removal time
t rem
2.0
100 â â 125 â ns
4.5
20 7 â 25 â
6.0
17 â â 21 â
4
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