參數資料
型號: 100336F
廠商: National Semiconductor Corporation
元件分類: 通用總線功能
英文描述: Low Power 4-Stage Counter/Shift Register
中文描述: 低功耗4級計數器/移位寄存器
文件頁數: 4/16頁
文件大?。?/td> 318K
代理商: 100336F
Function Select Table
S
2
L
L
L
L
H
H
H
H
S
1
L
L
H
H
L
L
H
H
S
0
L
H
L
H
L
H
L
H
Function
Parallel Load
Complement
Shift Left
Shift Right
Count Down
Clear
Count Up
Hold
Truth Table
Q
0
= LSB
Inputs
CEP
Outputs
Q
1
P
1
Q
1
Q
2
Q
0
MR
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
S
2
L
L
L
L
H
H
H
H
H
H
H
H
L
L
L
L
H
H
H
H
H
S
1
L
L
H
H
L
L
L
L
H
H
H
H
L
L
H
H
L
L
L
H
H
S
0
L
H
L
H
L
L
L
H
L
L
L
H
L
H
L
H
L
L
H
L
H
D
0
/CET
X
X
X
X
L
L
H
X
L
L
H
X
X
X
X
X
L
H
X
X
X
D
3
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
CP
Q
3
P
3
Q
3
D
3
Q
2
Q
2
P
2
Q
2
Q
3
Q
1
Q
0
P
0
Q
0
Q
1
D
0
TC
L
L
D
3
Mode
X
X
X
X
L
H
X
X
L
H
X
X
X
X
X
X
X
X
X
X
X
N
Preset (Parallel Load)
Invert
Shift to LSB
Shift to MSB
Count Down
Count Down with CEP not active
Count Down with CET not active
Clear
Count Up
Count Up with CEP not active
Count Up with CET not active
Hold
N
N
N
Q
3
(Note 1)
1
1
H
H
2
2
H
H
L
L
L
L
L
H
H
H
H
N
(Q
0–3
) minus 1
Q
2
Q
2
L
(Q
0–3
) plus 1
Q
2
Q
2
Q
2
L
L
L
L
L
L
L
L
L
X
X
Q
3
Q
3
L
Q
1
Q
1
L
Q
0
Q
0
L
N
N
X
X
X
X
X
X
X
X
X
X
X
X
Q
3
Q
3
Q
3
L
L
L
L
L
L
L
L
L
Q
1
Q
1
Q
1
L
L
L
L
L
L
L
L
L
Q
0
Q
0
Q
0
L
L
L
L
L
L
L
L
L
Asynchronous
Master Reset
1 =
H if Q
–Q
3
LLLL
2 = L if Q
0
–Q
= HHHH
H if Q
–Q
HHHH
H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
N
= LOW-to-HIGH Transition
Note 1:
Before the clock, TC is Q
3
After the clock, TC is Q
2
L if Q
0
–Q
= LLLL
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相關PDF資料
PDF描述
100336 Low Power 4-Stage Counter/Shift Register
100336PC Low Power 4-Stage Counter/Shift Register
100336SC Low Power 4-Stage Counter/Shift Register
100336QCX Counter/Shift Register
100336QIX Counter/Shift Register
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