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74LCX32244 Folha de dados(PDF) 2 Page - Fairchild Semiconductor

Nome de Peças 74LCX32244
Descrição Electrónicos  Low Voltage 32-Bit Buffer/Line Driver with 5V Tolerant Inputs and Outputs
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Fabricante Electrônico  FAIRCHILD [Fairchild Semiconductor]
Página de início  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74LCX32244 Folha de dados(HTML) 2 Page - Fairchild Semiconductor

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Connection Diagram
(Top Thru View)
Functional Description
The LCX32244 contains thirty-two non-inverting buffers
with 3-STATE standard outputs. The device is nibble
(4-bits) controlled with each nibble functioning identically,
but independent of the other. The control pins can be
shorted together to obtain full 32-bit operation. The
3-STATE outputs are controlled by an Output Enable (OEn)
input for each nibble. When OEn is LOW, the outputs are in
2-state mode. When OEn is HIGH, the outputs are in the
high impedance mode, but this does not interfere with
entering new data into the inputs.
Pin Descriptions
FBGA Pin Assignments
Truth Table
H
= HIGH Voltage Level
L
= LOW Voltage Level
X
= Immaterial (HIGH or LOW, inputs may not float)
Z
= High Impedance
Logic Diagrams
Pin Names
Description
OEn
Output Enable Input (Active LOW)
I0–I31
Inputs
O0–O31
Outputs
1
234
56
A
O1
O0
OE1
OE2
I0
I1
B
O3
O2
GND
GND
I2
I3
C
O5
O4
VCC
VCC
I4
I5
D
O7
O6
GND
GND
I6
I7
E
O9
O8
GND
GND
I8
I9
F
011
O10
VCC
VCC
I10
I11
G
O13
O12
GND
GND
I12
I13
H
O14
O15
OE4
OE3
I15
I14
J
O17
O16
OE5
OE6
I16
I17
K
O19
018
GND
GND
I18
I19
L
O21
O20
VCC
VCC
I20
I21
M
O23
O22
GND
GND
I22
I23
N
O25
O24
GND
GND
I24
I25
P
O27
O26
VCC
VCC
I26
I27
R
O29
O28
GND
GND
I28
I29
T
O30
O31
OE8
OE7
I31
I30
Inputs
Outputs
OEn
In
On
LL
L
LH
H
HX
Z


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