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HD74HC195 Datasheet, PDF (5/8 Pages) Hitachi Semiconductor – 4-bit Parallel-Access Shift Register
HD74HC195
Switching Characteristics
Item
Maximum clock
frequency
Propagation delay
time
Pulse width
Setup time
Hold time
Removal time
Output rise/fall
time
Input capacitance
Symbol VCC (V)
fmax
2.0
4.5
6.0
tPHL
2.0
4.5
6.0
tPLH
2.0
4.5
6.0
tPHL
2.0
4.5
6.0
tw
2.0
4.5
6.0
tsu
2.0
4.5
6.0
2.0
4.5
6.0
th
2.0
4.5
6.0
trem
2.0
4.5
6.0
2.0
4.5
6.0
tTLH
2.0
tTHL
4.5
6.0
Cin
—
(CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = –40 to +85°C
Unit
Min Typ Max Min Max
Test Conditions
—— 6
—
5
MHZ
— — 30
—
24
— — 35
—
28
— — 140 —
175 ns Clock to Q
— 13 28
—
35
— — 24
—
30
— — 140 —
175 ns
— 13 28
—
35
— — 24
—
30
— — 150 —
190 ns Clear to Q
— 15 30
—
38
— — 26
—
33
80 — — 100
—
ns Clock to Clear
16 7 —
20
—
14 — —
17
—
100 — — 125
—
ns A, B, C, D, J, K to Clock
20 6 —
25
—
17 — —
21
—
100 — — 125
—
ns Shift/Load to Clock
20 13 —
25
—
17 — —
21
—
0 ——
0
—
ns Any input except Shift/Load
0 –3 —
0
—
0 ——
0
—
75 — —
95
—
ns Shift/Load to Clock
15 8 —
19
—
13 — —
16
—
25 — —
31
—
ns Clear inactive to Clock
5
0—
6
—
4 ——
5
—
— — 75
—
95
ns
— 5 15
—
19
— — 13
—
16
— 5 10
—
10 pF
Rev.2.00 Jan 31, 2006 page 5 of 7