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HD74HC73 Datasheet, PDF (4/8 Pages) Hitachi Semiconductor – Dual J-K Flip-Flops (with Clear) | |||
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HD74HC73
Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Item
Setup time
Hold time
Removal time
Output rise/fall
time
Input capacitance
Symbol VCC (V)
tsu
2.0
4.5
6.0
th
2.0
4.5
6.0
trem
2.0
4.5
6.0
tTLH, tTHL 2.0
4.5
6.0
Cin
â
Ta = 25°C
Ta = â40 to +85°C
Min Typ Max Min Max Unit
Test Conditions
100 â â 125
â ns Data to clock
20 3 â
25
â
17 â â
21
â
5 ââ
5
â ns Clock to data
5 â2 â
5
â
5 ââ
5
â
100 â â 125
â ns Clear to clock
20 â3 â
25
â
17 â â
21
â
â â 75
â
95 ns
â 5 15
â
19
â â 13
â
16
â 5 10
â
10 pF
Test Circuit
VCC
VCC
Input
Pulse generator
Zout = 50 â¦
Input
Pulse generator
Zout = 50 â¦
Output
Clock Q
J
K
Output
CL = 50 pF
Clear Q
CL = 50 pF
Note: CL includes the probe and jig capacitance.
Rev.2.00, Oct 06, 2005 page 4 of 7
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