SN54LVC257A, SN74LVC257A

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SCAS294O – JANUARY 1993 – REVISED JUNE 2015

7 Specifications

7.1 Absolute Maximum Ratings

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

(1)

MIN

MAX

UNIT

Supply voltage

–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

Storage temperature

–65

150

°C

(1)

Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings

only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended

Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2)

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

(3)

7.2 ESD Ratings

VALUE

UNIT

±2000

Electrostatic

V

Charged-device model (CDM), per JEDEC specification JESD22-C101, all

discharge

±1000

(1)

JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.

(2)

JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

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