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HD74HC51 Datasheet, PDF (3/8 Pages) Hitachi Semiconductor – 2-wide 2-input, 2-wide 3-input AND-OR-INVERT Gate | |||
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HD74HC51
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = â40 to
+85°C
Item
Symbol
Propagation delay tPLH
time
VCC (V)
2.0
4.5
Min Typ Max Min
â â 110 â
â 11 22 â
Max Unit
140 ns
28
6.0
â â 19 â 24
t PHL
2.0
â â 110 â 140 ns
4.5
â 10 22 â 28
6.0
â â 19 â 24
Output rise time tTLH
2.0
â â 75 â 95 ns
4.5
â 5 15 â 19
6.0
â â 13 â 16
Output fall time tTHL
2.0
â â 75 â 95 ns
4.5
â 5 15 â 19
6.0
â â 13 â 16
Input capacitance Cin
â
â 5 10 â 10 pF
Test Conditions
3
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