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SN54ALS243A Datasheet(PDF) 2 Page - Texas Instruments

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Part No. SN54ALS243A
Description  QUADRUPLE BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54ALS243A Datasheet(HTML) 2 Page - Texas Instruments

   
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SN54ALS243A, SN74ALS243A
QUADRUPLE BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SDAS069B – DECEMBER 1982 – REVISED DECEMBER 1994
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic symbol
logic diagram (positive logic)
B4
B3
B2
B1
OEBA
8
9
10
11
13
A4
A3
A2
A1
OEAB
6
5
4
3
1
3
A1
B1
11
EN2
1
EN1
13
OEBA
5
A3
6
A4
4
A2
B2
10
B3
9
B4
8
OEAB
1
2
† This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
Pin numbers shown are for the D, J, and N packages.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI: All inputs
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I/O ports
5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN54ALS243A
– 55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ALS243A
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
– 65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN54ALS243A
SN74ALS243A
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.7
0.8
V
IOH
High-level output current
–12
–15
mA
IOL
Low-level output current
12
24
mA
TA
Operating free-air temperature
–55
125
0
70
°C


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