HD74HC125 Datasheet, PDF (5/10 Pages) Hitachi Semiconductor – Quad. Bus Buffer Gates (with 3-state outputs)

HD74HC125/HD74HC126
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
— — 100 —
— 8 20 —
— — 17 —
Max Unit
125 ns
25
21
Output enable
t _ZH
time
t _ZL
2.0
— — 150 — 190 ns
4.5
— 9 30 — 38
6.0
— — 26 — 33
Output disable
t _HZ
time
t _LZ
2.0
— — 150 — 190 ns
4.5
— 14 30 — 38
6.0
— — 26 — 33
Output rise/fall
t _TLH
time
t _THL
2.0
— — 60 — 75 ns
4.5
— 4 12 — 15
6.0
— — 10 — 13
Input capacitance Cin
—
— 5 10 — 10 pF
Test Conditions
5