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4Y

3Y

2Y

1Y

A/B

OE

4B

4A

3B

3A

2B

2A

1B

1A

4

2

3

7

5

6

9

11

10

12

14

13

1

15

Absolute Maximum Ratings

(1)

SN74LVC257A-Q1

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER

WITH 3-STATE OUTPUTS

SCAS709B – SEPTEMBER 2003 – REVISED FEBRUARY 2008

LOGIC DIAGRAM (POSITIVE LOGIC)

over operating free-air temperature range (unless otherwise noted)

MIN

MAX

UNIT

Supply voltage range

–0.5

6.5

V

–0.5

6.5

V

–0.5

V

Input clamp current

–50

mA

Output clamp current

–50

mA

Continuous output current

±50

mA

±100

mA

D package

73

θ

JA

°C/W

PW package

108

Storage temperature range

–65

150

°C

(1)

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.

(2)

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

(3)

(4)

The package thermal impedance is calculated in accordance with JESD 51-7.

2

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