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SN54AC244 Datasheet(PDF) 1 Page - Texas Instruments

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No. de Pieza. SN54AC244
Descripción  OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
Descarga  14 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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SN54AC244 Datasheet(HTML) 1 Page - Texas Instruments

 
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SN54AC244, SN74AC244
OCTAL BUFFERS/DRIVERS
WITH 3STATE OUTPUTS
SCAS514E − JUNE 1995 − REVISED OCTOBER 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 2-V to 6-V VCC Operation
D Inputs Accept Voltages to 6 V
D Max tpd of 7.5 ns at 5 V
description/ordering information
These octal buffers and line drivers are designed
specifically to improve the performance and
density of 3-state memory address drivers, clock
drivers,
and
bus-oriented
receivers
and
transmitters.
The ’AC244 devices are organized as two 4-bit
buffers/drivers with separate output-enable (OE)
inputs. When OE is low, the device passes
noninverted data from the A inputs to the Y
outputs. When OE is high, the outputs are in the
high-impedance state.
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.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N
Tube
SN74AC244N
SN74AC244N
SOIC − DW
Tube
SN74AC244DW
AC244
SOIC − DW
Tape and reel
SN74AC244DWR
AC244
−40
°C to 85°C
SOP − NS
Tape and reel
SN74AC244NSR
AC244
−40 C to 85 C
SSOP − DB
Tape and reel
SN74AC244DBR
AC244
TSSOP − PW
Tube
SN74AC244PW
AC244
TSSOP − PW
Tape and reel
SN74AC244PWR
AC244
CDIP − J
Tube
SNJ54AC244J
SNJ54AC244J
−55
°C to 125°C
CFP − W
Tube
SNJ54AC244W
SNJ54AC244W
−55 C to 125 C
LCCC − FK
Tube
SNJ54AC244FK
SNJ54AC244FK
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Copyright
 2003, 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.
SN54AC244 ...J OR W PACKAGE
SN74AC244 . . . DB, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
1Y1
2A4
1Y2
2A3
1Y3
1A2
2Y3
1A3
2Y2
1A4
SN54AC244...FK PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
VCC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
On products compliant to MILPRF38535, 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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