参数资料
型号: 74ALS164D
厂商: NXP SEMICONDUCTORS
元件分类: 通用总线功能
英文描述: 8-bit serial-in parallel-out shift register
中文描述: ALS SERIES, 8-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO14
封装: PLASTIC, SOT-108-1, SO-14
文件页数: 3/9页
文件大小: 103K
代理商: 74ALS164D
Philips Semiconductors
Product specification
74ALS164
8-bit serial-in parallel-out shift register
1991 Feb 08
3
LOGIC DIAGRAM
D
Q
RD
Q0
1
Dsa
Dsb
2
CP
MR
3
8
9
V
= Pin 14
GND = Pin 7
D
Q
RD
Q1
4
D
Q
RD
Q2
5
D
Q
RD
Q3
6
D
Q
RD
Q4
10
D
Q
RD
Q5
11
D
Q
RD
Q6
12
D
Q
RD
Q7
13
SF00715
CP
CP
CP
CP
CP
CP
CP
CP
MODE SELECT FUNCTION TABLE
INPUTS
OUTPUTS
OPERATING MODE
MR
CP
Dsa
Dsb
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
L
X
X
X
L
L
L
L
L
L
L
L
Reset (Clear)
H
l
l
L
q0
q1
q2
q3
q4
q5
q6
H
l
h
L
q0
q1
q2
q3
q4
q5
q6
Shift
H
h
l
L
q0
q1
q2
q3
q4
q5
q6
H
h
h
H
q0
q1
q2
q3
q4
q5
q6
NOTES:
H =
h
=
L
=
l
=
qn =
X =
=
High voltage level
High voltage level one setup time prior to the Low-to-High clock transition
Low voltage level
Low voltage level one setup time prior to the Low-to-High clock transition
Lower case letter indicate the state of the referenced output one setup time prior to the Low-to-High clock transition.
Don’t care
Low-to-High clock transition
APPLICATION
The 74ALS164 can be cascaded to form synchronous shift registers of longer length.
Here, two devices are combined to form a 16-bit shift register.
CLEAR
CLOCK
DATA
ENABLE
Dsa
Dsb
Dsa
Dsb
CP
MR
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10 D11 D12 D13 D14 D15
CP
MR
H
74ALS164
74ALS164
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
SC00063
相关PDF资料
PDF描述
74ALS164N 8-bit serial-in parallel-out shift register
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