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HD74HC195 Datasheet, PDF (6/9 Pages) Hitachi Semiconductor – 4-bit Parallel-Access Shift Register
HD74HC195
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Item
Maximum clock
frequency
Symbol
f max
VCC (V)
2.0
4.5
Min Typ Max Min
——6 —
— — 30 —
Max Unit
5
MHZ
24
6.0
— — 35 — 28
Propagation delay tPHL
time
2.0
— — 140 — 175 ns
4.5
— 13 28 — 35
6.0
— — 24 — 30
t PLH
2.0
— — 140 — 175 ns
4.5
— 13 28 — 35
6.0
— — 24 — 30
t PHL
2.0
— — 150 — 190 ns
4.5
— 15 30 — 38
6.0
— — 26 — 33
Pulse width
tw
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 6 — 25 —
6.0
17 — — 21 —
2.0
100 — — 125 — ns
4.5
20 13 — 25 —
6.0
17 — — 21 —
Hold time
th
2.0
0 —— 0
— ns
4.5
0 –3 — 0
—
6.0
0 —— 0
—
Removal time
t rem
2.0
75 — — 95 — ns
4.5
15 8 — 19 —
6.0
13 — — 16 —
2.0
25 — — 31 — ns
4.5
5 0 —6
—
6.0
4 —— 5
—
Test Conditions
Clock to Q
Clear to Q
Clock to Clear
A, B, C, D, J, K to Clock
Shift/Load to Clock
Any input except Shift/Load
Shift/Load to Clock
Clear inactive to Clock
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