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SN74F245N Fiches technique(PDF) 2 Page - Texas Instruments

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No de pièce SN74F245N
Description  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

SN74F245N Fiches technique(HTML) 2 Page - Texas Instruments

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SN54F245, SN74F245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SDFS010A – MARCH 1987 – REVISED OCTOBER 1993
2–2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic symbol
logic diagram (positive logic)
A5
6
A6
7
A7
8
A8
9
A2
3
A3
4
A4
5
OE
A1
2
G3
19
3EN2[AB]
B5
14
B6
13
B7
12
B8
11
B1
18
B2
17
B3
16
B4
15
3EN1[BA]
1
DIR
DIR
OE
A1
B1
1
2
18
19
To Seven Other Channels
1
2
† This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC
– 0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (except I/O ports) (see Note 1)
– 1.2 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input current range
– 30 mA to 5 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the disabled or power-off state
– 0.5 V to 5.5 V
. . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high state
– 0.5 V to VCC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current into any output in the low state: SN54F245 (A1 thru A8)
40 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN54F245 (B1 thru B8)
96 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74F245 (A1 thru A8)
48 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74F245 (B1 thru B8)
128 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range:
SN54F245
– 55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74F245
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.
NOTE 1: The input voltage ratings may be exceeded provided the input current ratings are observed.


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