參數(shù)資料
型號: HD74LV165A
廠商: Hitachi,Ltd.
英文描述: Parallel-Load 8-bit Shift Register(并行載入8位移位寄存器)
中文描述: 并聯(lián)負(fù)載8位的移位寄存器(并行載入8位移位寄存器)
文件頁數(shù): 7/17頁
文件大小: 75K
代理商: HD74LV165A
HD74LV165A
7
Switching Characteristics
V
CC
= 2.5
±
0.2 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
50
80
45
MHz
C
L
= 15 pF
40
65
35
C
L
= 50 pF
Propa-
gation
delay time
t
PLH
/t
PHL
13.1
21.5
1.0
23.5
ns
C
L
= 15 pF
SH/
LD
Q
H
or
Q
H
16.1
25.1
1.0
28.0
C
L
= 50 pF
12.2
19.8
1.0
22.0
C
L
= 15 pF
CLK
15.3
23.3
1.0
26.0
C
L
= 50 pF
12.9
21.7
1.0
24.0
C
L
= 15 pF
H
15.9
25.3
1.0
28.0
C
L
= 50 pF
Setup time
t
su
7.0
7.0
ns
CLK INH before CLK
11.5
12.0
data before SH/
LD
7.0
8.5
ns
SH/
LD
high before CLK
8.5
9.5
SER before CLK
Hold time
t
h
0.0
0.5
ns
PAR data after SH/
LD
–1.0
0.0
SER data after CLK
0.0
0.0
SH/
LD
high atfer CLK
Pulse
width
t
w
11.0
13.0
ns
SH/
LD
low
8.5
9.0
CLK H or L
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