HD74HC646 Datasheet, PDF (8/10 Pages) Hitachi Semiconductor – Octal Bus Transceivers/Registers with Multiplexed 3-state outputs

HD74HC646/HD74HC648
AC Characteristics (C_L = 50 pF, Input t_r = t_f = 6 ns) (cont)
Ta = 25°C
Ta = –40 to
+85°C
Item
Pulse width
Symbol
t_w
V_CC (V)
2.0
4.5
Min Typ Max Min
80 — — 100
16 5 — 20
Max Unit
— ns
—
6.0
14 — — 17 —
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
8