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MC14512BCPG View Datasheet(PDF) - ON Semiconductor

Part Name
Description
View to exact match
MC14512BCPG
ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC14512BCPG Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
13
C
12
B
11
A
X0 1
2
X1
3
X2
4
X3
5
X4
X5 6
7
X6
X7 9
MC14512B
LOGIC DIAGRAM
15
DISABLE
10
INHIBIT
VDD
14
Z
SELECTED
DEVICE
MC14512B
MC14512B
DATA
BUS
IOD
IL
ITL
LOAD
ITL
MC14512B
VSS
1
IN
OUT
IN
2
TRANSMISSION
GATE
1
OUT
2
3−STATE MODE OF OPERATION
Output terminals of several MC14512B 8−Bit Data
Selectors can be connected to a single date bus as shown.
One MC14512B is selected by the 3−state control, and the
remaining devices are disabled into a high−impedance “off”
state. The number of 8−bit data selectors, N, that may be
connected to a bus line is determined from the output drive
current, IOD, 3−state or disable output leakage current, ITL,
and the load current, IL, required to drive the bus line
(including fanout to other device inputs), and can be
calculated by:
N = IOD – IL + 1
ITL
N must be calculated for both high and low logic state of the
bus line.
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