HD74LV165A
8
Switching Characteristics (cont)
V
CC
= 3.3
±
0.3 V
Ta = 25
°
C
Ta = –40 to 85
°
C
Item
Symbol
Min
Typ
Max
Min
Max
Unit
Test
Conditions
FROM
(Input)
TO
(Output)
Maximum
clock
fre
quency
fmax
65
115
—
55
—
MHz
C
L
= 15 pF
60
90
—
50
—
C
L
= 50 pF
Propa-
gation
delay time
t
PLH
/t
PHL
—
9.1
15.8
1.0
18.5
ns
C
L
= 15 pF
SH/
LD
Q
H
or
Q
H
—
11.3
19.3
1.0
22.0
C
L
= 50 pF
—
8.6
15.4
1.0
18.0
C
L
= 15 pF
CLK
—
10.9
18.9
1.0
21.5
C
L
= 50 pF
—
8.9
14.1
1.0
16.5
C
L
= 15 pF
H
—
11.1
17.6
1.0
20.0
C
L
= 50 pF
Setup time
t
su
5.0
—
—
5.0
—
ns
CLK INH before CLK
↑
7.5
—
—
8.5
—
data before SH/
LD
↑
5.0
—
—
6.0
—
ns
SH/
LD
high before CLK
↑
5.0
—
—
6.0
—
SER before CLK
↑
Hold time
t
h
0.5
—
—
0.5
—
ns
PAR data after SH/
LD
↑
0.0
—
—
0.0
—
SER data after CLK
↑
0.0
—
—
0.0
—
SH/
LD
high atfer CLK
↑
Pulse
width
t
w
7.5
—
—
9.0
—
ns
SH/
LD
low
6.0
—
—
7.0
—
CLK H or L