參數(shù)資料
型號(hào): HD74AC164
廠商: Hitachi,Ltd.
英文描述: Serial-In, Parallel-Out Shift Register(串入并出移位寄存器)
中文描述: 串行,并行輸出移位寄存器(串入并出移位寄存器)
文件頁數(shù): 3/10頁
文件大小: 59K
代理商: HD74AC164
HD74AC164/HD74ACT164
3
Mode Select Table
Inputs
MR
Outputs
Operating Mode
A
B
Q
0
L
Q
1
to Q
7
L to L
Reset (Clear)
L
X
X
Shift
H
L
L
L
q
0
to q
6
q
0
to q
6
q
0
to q
6
q
0
to q
6
H
L
H
L
H
H
L
L
H
H
H
H
H :
L
X :
q
n
:
High Voltage Level
Low Voltage Level
Immaterial
Lower case letters indicate the state of the referenced input or output one setup time prior to the
Low-to-High clock transition.
:
Logic Diagram
A
B
CP
MR
D
C
D
Q
0
Q
D
C
D
Q
1
Q
D
C
D
Q
2
Q
D
C
D
Q
3
Q
D
C
D
Q
4
Q
D
C
D
Q
5
Q
D
C
D
Q
6
Q
D
C
D
Q
7
Q
Please note that this diagram is provided only for the understanding of logic operations and should not be
used to estimate propagation delays.
DC Characteristics
(unless otherwise specified)
Item
Symbol
Max
Unit
Condition
Maximum quiescent supply current
I
CC
80
μ
A
V
= V
or ground, V
CC
= 5.5 V,
Ta = Worst case
Maximum quiescent supply current
I
CC
8.0
μ
A
V
= V
CC
or ground, V
CC
= 5.5 V,
Ta = 25
°
C
Maximum additional I
CC
/input
(HD74ACT164)
I
CCT
1.5
mA
V
= V
– 2.1 V, V
CC
= 5.5 V,
Ta = Worst case
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HD74ACT164 Serial-In, Parallel-Out Shift Register(串入并出移位寄存器)
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