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HD74HC323 Datasheet, PDF (5/10 Pages) Hitachi Semiconductor – 8-bit Universal Shift/Storage Register (with 3-state Outputs) | |||
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HD74HC323
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 27 â
Max Unit Test Conditions
4
MHz
21
6.0
â â 31 â 24
Propagation delay tPLH
time
t PHL
2.0
â â 150 â 190 ns Clock to QAâ or QHâ
4.5
â 18 30 â 38
6.0
â â 26 â 33
2.0
â â 175 â 220 ns Clock to Q
4.5
â 20 35 â 44
6.0
â â 30 â 37
Output enable
t ZH
time
t ZL
2.0
â â 150 â 190 ns
4.5
â 14 30 â 38
6.0
â â 26 â 33
Output disable
t HZ
time
t LZ
2.0
â â 150 â 190 ns
4.5
â 15 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 QAâ, QHâ
4.5
â 5 15 â 19
6.0
â â 13 â 16
2.0
â â 60 â 75 ns Q
4.5
â 4 12 â 15
6.0
â â 10 â 13
Input capacitance Cin
â
â 5 10 â 10 pF
5
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