HD74HC77 Datasheet, PDF (4/9 Pages) Hitachi Semiconductor – 4-bit Bistable Latch

HD74HC77
AC Characteristics (C_L = 50 pF, Input t_r = t_f = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Item
Symbol
Propagation delay t_PLH
time
t _PHL
V_CC (V)
2.0
4.5
6.0
Min Typ Max Min
— — 105 —
— 12 21 —
— — 18 —
Max Unit
130 ns
26
22
2.0
— — 100 — 125
4.5
— 13 20 — 25
6.0
— — 17 — 21
Hold time
t_h
2.0
5 —— 5
— ns
4.5
5 1 —5
—
6.0
5 —— 5
—
Output rise/fall
t _TLH
time
t _THL
2.0
— — 75 — 95 ns
4.5
— 5 15 — 19
6.0
— — 13 — 16
Input capacitance Cin
—
— 5 10 — 10 pF
Test Conditions
D to Q
G to Q
4