參數(shù)資料
型號(hào): CD4021
廠(chǎng)商: Fairchild Semiconductor Corporation
英文描述: 8-Stage Static Shift Register
中文描述: 8級(jí)靜態(tài)移位寄存器
文件頁(yè)數(shù): 7/9頁(yè)
文件大?。?/td> 93K
代理商: CD4021
7-86
CD4014BMS, CD4021BMS
FIGURE 2.
CD4021BMS LOGIC DIAGRAM
TRUTH TABLE - CD4021BMS
CL
SERIAL
INPUT
PARALLEL/SERIAL
CONTROL
PI-1
PI-n
Q1
(INTERNAL)
Qn
X
X
1
0
0
0
0
X
X
1
0
1
0
1
X
X
1
1
0
1
0
X
X
1
1
1
1
1
0
0
X
X
0
Qn-1
1
0
X
X
1
Qn-1
X
0
X
X
Q1
Qn
NC
X = Don’t Care Case
CL
CL
CL
CL
CL
CL
11
10
9
7
6
5
4
13
14
15
1
P7
P8
P6
P5
P4
P3
P2
P1
P
D
PS
CL
CL
CL
PARALLEL/
SERIAL
CLOCK
*
SERIAL
INPUT
*
P
CL
PS
D
Q
P
CL
PS
D
Q
P
CL
PS
D
Q
CL
PS
P
D
Q
P
CL
PS
D
Q
P
CL
PS
D
Q
P
CL
PS
D
Q
P
CL
PS
D
Q
P
CL
PS
D
Q
*
p
n
p
n
p
n
p
n
p
n
Q
VDD
VSS
*
ALL INPUTS ARE PROTECTED
BY CMOS PROTECTION
NETWORK
3
2
2
Q8
Q7
Q6
*
*
*
*
*
*
*
*
CL
CL
p
n
CONTROL
相關(guān)PDF資料
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CD4021BC 8-Stage Static Shift Register
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