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SN54AS286 Datasheet(PDF) 3 Page - Texas Instruments

Part No. SN54AS286
Description  9-BIT PARITY GENERATORS/CHECKERS WITH BUS-DRIVER PARITY I/O PORT
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54AS286 Datasheet(HTML) 3 Page - Texas Instruments

   
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SN54AS286, SN74AS286
9-BIT PARITY GENERATORS/CHECKERS
WITH BUS-DRIVER PARITY I/O PORT
SDAS050B – DECEMBER 1983 – REVISED DECEMBER 1994
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage applied to a disabled 3-state output
5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN54AS286
– 55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74AS286
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
SN54AS286
SN74AS286
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
0.8
0.8
V
IOH
High level output current
PARITY ERROR
–2
–2
mA
IOH
High-level output current
PARITY I/O
–12
–15
mA
IOL
Low level output current
PARITY ERROR
20
20
mA
IOL
Low-level output current
PARITY I/O
32
48
mA
TA
Operating free-air temperature
–55
125
0
70
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS286
SN74AS286
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP‡
MAX
MIN
TYP‡
MAX
UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.2
– 1.2
V
All outputs
VCC = 4.5 V to 5.5 V,
IOH = – 2 mA
VCC –2
VCC –2
VOH
IOH = – 3 mA
2.4
2.9
2.4
3
V
VOH
PARITY I/O
VCC = 4.5 V
IOH = – 12 mA
2.4
V
IOH = – 15 mA
2.4
PARITY ERROR
IOL = 20 mA
0.35
0.5
0.35
0.5
VOL
PARITY I/O
VCC = 4.5 V
IOL = 32 mA
0.5
V
PARITY I/O
IOL = 48 mA
0.5
II
PARITY I/O
VCC =5 5V
VI = 5.5 V
0.1
0.1
mA
II
All other inputs
VCC = 5.5 V
VI = 7 V
0.1
0.1
mA
IIH
PARITY I/O§
VCC =5 5V
VI =2 7V
50
50
µA
IIH
All other inputs
VCC = 5.5 V,
VI = 2.7 V
20
20
µA
IIL
PARITY I/O§
VCC =5 5V
VI =0 4V
– 0.5
– 0.5
mA
IIL
All other inputs
VCC = 5.5 V,
VI = 0.4 V
– 0.5
– 0.5
mA
IO¶
VCC = 5.5 V,
VO = 2.25 V
–30
–112
–30
–112
mA
ICC
Transmit
VCC =5 5V
30
43
30
43
mA
ICC
Receive
VCC = 5.5 V
35
50
35
50
mA
‡ All typical values are at VCC = 5 V, TA = 25°C.
§ For I/O ports, the parameters IIH and IIL include the off-state output current.
¶ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.


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