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HD74HC670 Datasheet, PDF (6/10 Pages) Hitachi Semiconductor – 4-by-4 Register File (with 3-state outputs)
HD74HC670
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns) (cont)
Ta = 25°C
Ta = –40 to
+85°C
Item
Symbol
Latch time for new tlatch
data
VCC (V)
2.5
4.5
Min Typ Max Min
100 — — 125
20 — — 25
Max Unit
— ns
—
6.0
17 — — 21 —
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
6