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HD74HC51 Datasheet, PDF (3/8 Pages) Hitachi Semiconductor – 2-wide 2-input, 2-wide 3-input AND-OR-INVERT Gate
HD74HC51
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Item
Symbol
Propagation delay tPLH
time
VCC (V)
2.0
4.5
Min Typ Max Min
— — 110 —
— 11 22 —
Max Unit
140 ns
28
6.0
— — 19 — 24
t PHL
2.0
— — 110 — 140 ns
4.5
— 10 22 — 28
6.0
— — 19 — 24
Output rise time tTLH
2.0
— — 75 — 95 ns
4.5
— 5 15 — 19
6.0
— — 13 — 16
Output fall time tTHL
2.0
— — 75 — 95 ns
4.5
— 5 15 — 19
6.0
— — 13 — 16
Input capacitance Cin
—
— 5 10 — 10 pF
Test Conditions
3