MC13029H Ver la hoja de datos (PDF) - Motorola => Freescale
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MC13029H Datasheet PDF : 13 Pages
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MC54/74HC4351 MC54/74HC4353
LOGIC DIAGRAM
MC54/74HC4351
Single–Pole, 8–Position Plus Common Off and Address Latch
ANALOG
INPUTS/OUTPUTS
X0 17
X1 18
X2 19
X3 16
X4 1
X5 6
X6 2
X7 5
MULTIPLEXER/
DEMULTIPLEXER
CHANNEL–SELECT
INPUTS
A
B
15
13
CHANNEL
ADDRESS
C 12 LATCH
LATCH ENABLE 11
SWITCH ENABLE 1 7
ENABLES ENABLE 2 8
4
COMMON
X OUTPUT/INPUT
PIN 20 = VCC
PIN 9 = VEE
PIN 10 = GND
PINS 3, 14 = NC
FUNCTION TABLE
MC54/74HC4351
Control Inputs
Enable
Select
1 2CBA
ON
Channel
(LE = H)*
L HLLL
L HLLH
L HLHL
L HLHH
L HHL L
L HHLH
L HHHL
L HHHH
H XXXX
X LXXX
X0
X1
X2
X3
X4
X5
X6
X7
None
None
X = don’t care
* When Latch Enable is low, the Channel
Selection is latched and the Channel
Address Latch does not change states.
BLOCK DIAGRAM
MC54/74HC4353
Triple Single–Pole, Double–Position Plus Common Off and Address Latch
X0 16
X1 17
X SWITCH
18 X
PIN ASSIGNMENT
Y1 1
20 VCC
Y0 2
Y1 1
Z0 6
Z1 4
Y SWITCH
Z SWITCH
19 Y
COMMON
OUTPUT/INPUT
5Z
Y0 2
NC 3
Z1 4
Z5
Z0 6
19 Y
18 X
17 X1
16 X0
15 A
CHANNEL–SELECT
INPUTS
A
B
C
15
13
12
CHANNEL
ADDRESS
LATCH
LATCH ENABLE 11
SWITCH ENABLE 1 7
ENABLES ENABLE 2 8
PIN 20 = VCC
PIN 9 = VEE
PIN 10 = GND
PINS 3, 14 = NC
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.
ENABLE 1 7
14 NC
ENABLE 2 8
13 B
VEE 9
GND 10
12 C
11
LATCH
ENABLE
NC = NO CONNECTION
FUNCTION TABLE
Control Inputs
Enable
Select
1 2CBA
On
Channel
(LE = H)*
L H L L L Z0 Y0 X0
L H L L H Z0 Y0 X1
L H L H L Z0 Y1 X0
L H L H H Z0 Y1 X1
L H H L L Z1 Y0 X0
L H H L H Z1 Y0 X1
L H H H L Z1 Y1 X0
L H H H H Z1 Y1 X1
H XXXX
None
X LXXX
None
X = Don’t Care
* When Latch Enable is low, the Channel Selection
is latched and the Channel Address Latch does not
change states.
MOTOROLA
2
High–Speed CMOS Logic Data
DL129 — Rev 6
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