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參數(shù)資料
| 型號： | 74F199 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 8-bit parallel-access shift register |
| 中文描述： | 8位并行存取移位寄存器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 68K |
| 代理商： | 74F199 |
Philips Semiconductors FAST Products
Product specification
74F199
8-bit parallel-access shift register
June 15, 1988
2
LOGIC SYMBOL
Q0 Q1 Q2 Q3
4
6
8
10
V
= Pin 24
GND = Pin 12
23
2
1
13
11
14
PE
J
K
CP
CE
MR
D1 D2
7
9
SF00153
D3
D0
3
5
Q5 Q6 Q7
15
17
19
21
D5 D6
20
22
D7
D4
16
18
Q4
IEEE/IEC SYMBOL
SF00154
1
1
&
9
16
18
20
22
1
3
5
7
2
14
23
13
11
C2/
→
SRG8
C3
R
2J
2K
2, 3D
2, 3D
10
15
17
19
21
4
6
8
FUNCTION TABLE
INPUTS
OUTPUTS
OPERATING MODES
MR
CP
CE
PE
J
K
Dn
Q0
Q1
…
Q6
Q7
L
X
X
X
X
X
X
L
L
…
L
L
Reset (clear
H
↑
l
h
h
h
X
H
q0
…
q5
q6
Shift, set First stage
H
↑
l
h
l
l
X
L
q0
…
q5
q6
Shift, reset First stage
H
↑
l
h
h
l
X
q0
q0
…
q5
q6
Shift, toggle First stage
H
↑
l
h
l
h
X
q0
q0
…
q5
q6
Shift, retain First stage
H
↑
l
l
X
X
dn
d0
d1
…
d6
d7
Parallel load
H
↑
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 t the Low-to-High clock transition
Don’t care
Low-to-High clock transition
Lower case letters indicate the state of the referenced input (or output) one setup time prior to the Low-to-High clock transition
h
X
X
X
X
q0
q1
…
q6
q7
Hold (do nothing)
H
h
L
l
X
↑
dn(qn) =
=
=
=
=
=
=
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