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SN54BCT2244 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. SN54BCT2244
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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SN54BCT2244, SN74BCT2244
OCTAL BUFFERS AND LINE/MOS DRIVERS
WITH 3-STATE OUTPUTS
SCBS017D – SEPTEMBER 1988 – REVISED MARCH 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Operating Voltage Range of 4.5 V to 5.5 V
D State-of-the-Art BiCMOS Design
Significantly Reduces ICCZ
D Output Ports Have Equivalent 33-Ω Series
Resistors, So No External Resistors Are
Required
D 3-State Outputs Drive Bus Lines or Buffer
Memory Address Registers
description/ordering information
The ’BCT2244 devices 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
’BCT2240
devices
and
SN74BCT2241, these devices provide the choice
of
selected
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.
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 outputs, which are designed to source or sink
up to 12 mA, include 33-
Ω series resistors to
reduce overshoot and undershoot.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – N
Tube
SN74BCT2244N
SN74BCT2244N
0
°Cto70°C
SOIC
DW
Tube
SN74BCT2244DW
BCT2244
0
°C to 70°C
SOIC – DW
Tape and reel
SN74BCT2244DWR
BCT2244
SOP – NS
Tape and reel
SN74BCT2244NSR
BCT2244
CDIP – J
Tube
SNJ54BCT2244J
SNJ54BCT2244J
–55
°C to 125°C
CFP – W
Tube
SNJ54BCT2244W
SNJ54BCT2244W
LCCC – FK
Tube
SNJ54BCT2244FK
SNJ54BCT2244FK
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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10
20
19
18
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15
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13
12
11
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
VCC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
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
SN54BCT2244 . . . FK PACKAGE
(TOP VIEW)
SN54BCT2244 ...J OR W PACKAGE
SN74BCT2244 ...DW, N, OR NS PACKAGE
(TOP VIEW)
Copyright
 2003, Texas Instruments Incorporated
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.
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.
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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