HD74HC651 Datasheet, PDF (7/9 Pages) Hitachi Semiconductor – Octal Bus Transceivers/Registers(with inverted 3-state outputs)

HD74HC651/HD74HC652
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
— — 170 —
— 19 34 —
— — 29 —
Max Unit
215 ns
43
37
2.0
— — 135 — 170 ns
4.5
— 16 27 — 34
6.0
— — 23 — 29
2.0
— — 190 — 240 ns
4.5
— 18 38 — 48
6.0
— — 32 — 41
Output enable
t _ZL
time
t _ZH
2.0
— — 150 — 190 ns
4.5
— 14 30 — 38
6.0
— — 26 — 33
Output disable
t _LZ
time
t _HZ
2.0
— — 150 — 190 ns
4.5
— 18 30 — 38
6.0
— — 26 — 33
Pulse width
t_w
2.0
80 — — 100 — ns
4.5
16 7 — 20 —
6.0
14 — — 17 —
Setup time
t _su
2.0
100 — — 125 — ns
4.5
20 4 — 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
— — 60 — 75 ns
4.5
— 4 12 — 15
6.0
— — 10 — 13
Input capacitance Cin
—
— 5 10 — 10 pF
Test Conditions
Clock to Bus
Bus to Bus
Select to Bus
7