HD74HC679 Datasheet, PDF (6/10 Pages) Hitachi Semiconductor – 12-bit Address Comparator

HD74HC679
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
— — 310 —
— 27 62 —
— — 52 —
Max Unit
390 ns
78
66
t _PLH
2.0
— — 180 — 225 ns
t _PHL
4.5
— 18 36 — 45
6.0
— — 31 — 38
t _PLH
2.0
— — 125 — 155 ns
t _PHL
4.5
— 14 25 — 31
6.0
— — 21 — 26
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
P to Y
A to Y
G to Y
6