參數(shù)資料
型號: HD74LV166A
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): 2/16頁
文件大?。?/td> 73K
代理商: HD74LV166A
HD74LV166A
2
Function Table
Inputs
CLR
Internal outputs
Output
SH/
LD
CLK INH
CLK
SER
A ... H
QA
QB
QH
L
X
X
X
X
X
L
L
L
H
X
L
L
X
X
Q
A0
a
Q
B0
b
Q
H0
h
H
L
L
X
a ... h
H
H
L
H
X
H
Q
An
Q
An
Q
B0
Q
Gn
Q
Gn
Q
H0
H
H
L
L
X
L
H
Note:
X
H
X
X
Q
A0
H: High level
L: Low level
: Low to high transition
X: Immaterial
a ... h:
Parallel data
Q
A0
... Q
H0
:
Q
An
... Q
Gn
: Data shifted from the previous stage on a positive edge at the clock input.
Outputs remain unchanged.
Pin Arrangement
13
14
11
12
15
16
9
10
V
CC
SH/
LD
H
QH
G
F
1
2
3
4
5
6
7
8
SER
A
B
C
D
CLK INH
CLK
GND
E
CLR
(Top view)
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