Standard ICs
8-bit static shift register
BU4021B / BU4021BF
The BU4021B and BU4021BF are 8-bit static shift registers consisting of 8 register cells, each of which has parallel
input. Control of the parallel / serial control input (P / S) enables serial input / serial output with clock synchronization,
as well as parallel input / serial output conversions.
鈥?/div>
Absolute maximum ratings (V
Parameter
Power supply voltage
Power dissipation
Operating temperature
Storage temperature
Input voltage
SS
= 0V, Ta = 25擄C)
Symbol
V
DD
Pd
Topr
Tstg
V
IN
Limits
鈥?0.3 ~ + 18
1000 (DIP), 500 (SOP)
鈥?40 ~ + 85
鈥?55 ~ + 150
鈥?0.3 ~ V
DD
+ 0.3
Unit
V
mW
擄C
擄C
V
鈥?/div>
Logic circuit diagram
P/S
(9)
Ds
(11)
CLOCK
(10)
P
1
(7)
P
2
(6)
P
3
(5)
P
4
(4)
P
5
(13)
P
6
(14)
P
7
(15)
P
8
(1)
鈥?/div>
Block diagram
P
8
1
P
8
Q
6
2
Q
6
Q
8
3
Q
8
P
4
4
P
4
P
3
5
P
3
P
2
(2)
Q
6
(12)
Q
7
(3)
Q
8
P
1
6
P
2
D
S
CLOCK
11
Q
7
12
Q
7
D
S
P
5
13
P
5
P
7
P
6
14
P
6
16
V
DD
15
P
7
D Q
C
D Q
C
D Q
C
D Q
C
D Q
C
D Q
Q
C
D Q
Q
C
D
Q
C
7
P
1
P/S
10
CLOCK
P/S
V
SS
8
9
table
鈥?/div>
Truthoperation
Serial
t
n
n+1
n+2
n+3
CLOCK D
S
L
H
L
H
X
P/S
L
L
L
L
L
Q
6
Q
7
Q
8
(t = n + 6) (t = n + 7) (t = n + 8)
0
1
0
1
Q
6
?
0
1
0
Q
7
?
?
0
1
Q
8
Parallel operation
CLOCK
D
S
P / S D
m
X
X
X: Irrelevant
Q
m
鈭?/div>
L
H
H
H
L
H
鈭?/div>
: Q
6
, Q
7
, and Q
8
are external
1
BU4021B 產(chǎn)品屬性
1,000
集成電路 (IC)
邏輯 - 移位寄存器
4000B
移位寄存器
標(biāo)準(zhǔn)
1
8
并行或串行至串行
3 V ~ 16 V
-40°C ~ 85°C
通孔
16-DIP（0.300"，7.62mm）
16-DIP
管件
BU4021B相關(guān)型號(hào)PDF文件下載
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