74AC11240DW datasheet(2/14 Pages) TI1

部品番号	74AC11240DW

部品情報	OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS

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74AC11240

OCTAL BUFFER/LINE DRIVER

WITH 3-STATE OUTPUTS

SCAS448A – MAY 1987 – REVISED APRIL 1996

2

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

logic diagram (positive logic)

1OE

24

1A1

1A2

1A3

1A4

23

22

21

20

1Y1

1Y2

1Y3

1Y4

1

2

3

4

2OE

13

2A1

2A2

2A3

2A4

17

16

15

14

2Y1

2Y2

2Y3

2Y4

9

10

11

12

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†

Supply voltage range, VCC

–0.5 V to 6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage range, VI (see Note 1)

–0.5 V to VCC + 0.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output voltage range, VO (see Note 1)

–0.5 V to VCC + 0.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input clamp current, IIK (VI < 0 or VI > VCC)

±20 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output clamp current, IOK (VO < 0 or VO > VCC)

±50 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous output current, IO (VO = 0 to VCC)

±50 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous current through VCC or GND

±200 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maximum power dissipation at TA = 55°C (in still air) (see Note 2): DB package

0.65 W

. . . . . . . . . . . . . . . . . .

DW package

1.7 W

. . . . . . . . . . . . . . . . . .

NT package

1.3 W

. . . . . . . . . . . . . . . . . . .

Storage temperature range, Tstg

–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.

NOTES:

1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.

2. The maximum package power dissipation is calculated using a junction temperature of 150

_C and a board trace length of 750 mils,

except for the NT package, which has a trace length of zero.

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