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SN54ABT2240A Datasheet(PDF) 1 Page - Texas Instruments

Part No. SN54ABT2240A
Description  OCTAL BUFFERS AND LINE/MOS DRIVERS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54ABT2240A, SN74ABT2240A
OCTAL BUFFERS AND LINE/MOS DRIVERS
WITH 3-STATE OUTPUTS
SCBS232E – JANUARY 1991 – REVISED OCTOBER 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Output Ports Have Equivalent 25-Ω Series
Resistors, So No External Resistors Are
Required
D State-of-the-Art EPIC-ΙΙB™ BiCMOS Design
Significantly Reduces Power Dissipation
D Typical VOLP (Output Ground Bounce) < 1 V
at VCC = 5 V, TA = 25°C
D Latch-Up Performance Exceeds 500 mA
Per JESD 17
D ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
D Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages, Ceramic Chip Carriers (FK),
Plastic (N) and Ceramic (J) DIPs, and
Ceramic Flat (W) Package
description
These octal buffers and line drivers are designed
specifically to improve both the performance and
density of 3-state memory address drivers, clock
drivers,
and
bus-oriented
receivers
and
transmitters. Together with the ’ABT2241 and
’ABT2244A, these devices provide combinations
of inverting and noninverting outputs, symmetrical
active-low
output-enable
(OE)
inputs,
and
complementary OE and OE inputs. These devices
feature high fan-out and improved fan-in.
These devices are organized as two 4-bit line drivers with separate OE inputs. When OE is low, the devices pass
inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.
The outputs, which are designed to sink up to 12 mA, include equivalent 25-
Ω series resistors to reduce
overshoot and undershoot.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
The SN54ABT2240A is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74ABT2240A is characterized for operation from –40
°C to 85°C.
Copyright
© 1998, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC-
ΙΙB is a trademark of Texas Instruments Incorporated.
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20
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1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
VCC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
SN54ABT2240A ...J OR W PACKAGE
SN74ABT2240A . . . DB, DW, N, OR PW PACKAGE
(TOP VIEW)
32 1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
1Y1
2A4
1Y2
2A3
1Y3
1A2
2Y3
1A3
2Y2
1A4
SN54ABT2240A . . . FK PACKAGE
(TOP VIEW)
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.




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