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Fairchild Semiconductor Electronic Components Datasheet

74ABT16244 Datasheet

16-Bit Buffer/Line Driver

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74ABT16244 pdf
April 1992
Revised May 2005
74ABT16244
16-Bit Buffer/Line Driver with 3-STATE Outputs
General Description
The ABT16244 contains sixteen non-inverting buffers with
3-STATE outputs designed to be employed as a memory
and address driver, clock driver, or bus oriented transmit-
ter/receiver. The device is nibble controlled. Individual 3-
STATE control inputs can be shorted together for 8-bit or
16-bit operation.
Features
s Separate control logic for each nibble
s 16-bit version of the ABT244
s Outputs sink capability of 64 mA, source capability of
32 mA
s Guaranteed output skew
s Guaranteed multiple output switching specifications
s Output switching specified for both 50 pF and
250 pF loads
s Guaranteed simultaneous switching noise level and
dynamic threshold performance
s Guaranteed latchup protection
s High impedance glitch free bus loading during entire
power up and power down cycle
s Non-destructive hot insertion capability
Ordering Code:
Order Number Package Number
Package Description
74ABT16244CSSC
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300" Wide
74ABT16244CMTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Devices are also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
Pin Descriptions
Pin Names
OEn
I0I15
O0O15
Description
Output Enable Inputs (Active LOW)
Inputs
Outputs
© 2005 Fairchild Semiconductor Corporation DS010985
www.fairchildsemi.com


Fairchild Semiconductor Electronic Components Datasheet

74ABT16244 Datasheet

16-Bit Buffer/Line Driver

No Preview Available !

74ABT16244 pdf
Truth Tables
Inputs
OE1
I0–I3
LL
LH
HX
Inputs
OE2
I4–I7
LL
LH
HX
Inputs
OE3
L
L
H
I8–I11
L
H
X
Inputs
OE4
L
L
H
H HIGH Voltage Level
L LOW Voltage Level
X Immaterial
Z High Impedance
I12–I15
L
H
X
Outputs
O0–O3
L
H
Z
Outputs
O4–O7
L
H
Z
Outputs
O8–O11
L
H
Z
Outputs
O12–O15
L
H
Z
Functional Description
The ABT16244 contains sixteen non-inverting buffers with
3-STATE 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 16-bit operation.
Logic Diagram
www.fairchildsemi.com
2


Part Number 74ABT16244
Description 16-Bit Buffer/Line Driver
Maker Fairchild Semiconductor
Total Page 9 Pages
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74ABT16244 pdf
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