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參數資料
| 型號： | MC74HC4353 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Analog Multiplexers/Demultiplexers with Address Latch |
| 中文描述： | 模擬多路復用器/解復用器的地址鎖存 |
| 文件頁數： | 2/13頁 |
| 文件大小： | 477K |
| 代理商： | MC74HC4353 |
MC54/74HC4351 MC54/74HC4353
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
2
LOGIC DIAGRAM
MC54/74HC4351
Single–Pole, 8–Position Plus Common Off and Address Latch
FUNCTION TABLE
MC54/74HC4351
Control Inputs
Enable
1
2
C
X
L
X
X = don’t care
* When Latch Enable is low, the Channel
Selection is latched and the Channel
Address Latch does not change states.
ON
(LE = H)*
None
Select
B
X
Channel
A
X
X
X
L
H
H
H
L
H
L
X
L
X
X0
None
L
L
H
H
L
H
L
H
H
H
X1
X7
L
L
H
H
L
H
H
H
L
L
X2
X6
L
L
H
H
L
H
H
L
H
H
X3
X5
L
L
L
X4
BLOCK DIAGRAM
MC54/74HC4353
Triple Single–Pole, Double–Position Plus Common Off and Address Latch
FUNCTION TABLE
Control Inputs
Enable
Select
1
2
C
L
X
L
X
X = Don’t Care
* When Latch Enable is low, the Channel Selection
is latched and the Channel Address Latch does not
change states.
On
(LE = H)*
Channel
B
L
X
A
L
X
Z0
Z1
Y0
Y1
None
None
X0
X1
H
X
L
X
L
H
H
H
L
H
L
X
H
X
Z0
Z1
Y0
Y1
X1
X0
L
L
H
H
L
H
H
H
L
H
Z0
Z1
Y1
Y0
X0
X1
L
L
H
H
L
H
H
H
H
L
Z0
Z1
Y1
Y0
X1
X0
L
L
H
H
L
L
L
H
MULTIPLEXER/
DEMULTIPLEXER
17
18
19
16
1
6
2
5
X0
X1
X2
X3
X4
X5
X6
X7
ANALOG
INPUTS/OUTPUTS
4
X
COMMON
OUTPUT/INPUT
CHANNEL
ADDRESS
LATCH
13
12
B
C
15
A
11
7
8
LATCH ENABLE
ENABLE 1
ENABLE 2
SWITCH
ENABLES
PIN 20 = VCC
PIN 9 = VEE
PIN 10 = GND
PINS 3, 14 = NC
CHANNEL–SELECT
INPUTS
Z0
Z1
NC
Y0
Y1
GND
VEE
ENABLE 2
ENABLE 1
Z
5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
11
12
13
X0
X1
X
Y
VCC
LATCH
ENABLE
C
B
NC
A
PIN ASSIGNMENT
NC = NO CONNECTION
16
17
X0
X1
18
X
CHANNEL
ADDRESS
LATCH
13
12
B
C
15
A
11
7
8
LATCH ENABLE
ENABLE 1
ENABLE 2
SWITCH
ENABLES
PIN 20 = VCC
PIN 9 = VEE
PIN 10 = GND
PINS 3, 14 = NC
CHANNEL–SELECT
INPUTS
2
1
Y0
Y1
6
4
Z0
Z1
X SWITCH
Y SWITCH
Z SWITCH
19
Y
5
Z
COMMON
OUTPUT/INPUT
NOTE:
This device allows independent control of each switch. Channel–Select
Input A controls the X Switch, Input B controls the Y Switch, and Input C
controls the Z Switch.
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