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HD74HC354 Datasheet, PDF (6/10 Pages) Hitachi Semiconductor – 8-to-1-line Data Selectors/Multiplexer Register(with 3-state outputs) | |||
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HD74HC354
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 235 â
â 23 47 â
â â 40 â
Max Unit
295 ns
59
50
t PLH
2.0
â â 270 â 340 ns
t PHL
4.5
â 26 54 â 68
6.0
â â 46 â 58
t PLH
2.0
â â 285 â 355 ns
t PHL
4.5
â 26 57 â 71
6.0
â â 48 â 60
t PLH
2.0
â â 300 â 375 ns
t PHL
4.5
â 26 60 â 75
6.0
â â 51 â 64
Output enable
t ZH
time
t ZL
2.0
â â 150 â 190 ns
4.5
â 12 30 â 38
6.0
â â 26 â 33
Output disable
t LZ
time
t HZ
2.0
â â 165 â 205 ns
4.5
â 15 33 â 41
6.0
â â 28 â 35
Setup time
t su
2.0
50 â â 65 â ns
4.5
10 2 â 13 â
6.0
10 â â 13 â
Hold time
th
2.0
5 ââ 5
â ns
4.5
5 0 â5
â
6.0
5 ââ 5
â
Pulse width
tw
2.0
80 â â 100 â ns
4.5
16 4 â 20 â
6.0
14 â â 17 â
Output rise/fall
t TLH
time
t THL
2.0
â â 60 â 75 ns
4.5
â 4 12 â 15
6.0
â â 10 â 13
Input capacitance Cin
â
â 5 10 â 10 pF
Test Conditions
D0 â D7 to output
Data control to output
S0 â S2 to output
Select control to output
D0 â D7 to Data control,
S0 â S7 to Select control
D0 â D7 to Data control,
S0 â S7 to Select control
Select control or Data control
6
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