U74LVC257

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw

QW-R126-034.A



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

CONDITIONS

RATINGS

UNIT

Supply Voltage

-0.5 ~ +6.5

V

Input Voltage

-0.5 ~ +6.5

V

Output in the high or low state

V

Output Voltage

Output in the power-off state

-0.5 ~ +6.5

V

Current

±100

mA

Continuous Output Current

±50

mA

Input Clamp Current

-50

mA

Output Clamp Current

-50

mA

Storage Temperature Range

-65 ~ +150

°C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Operating

1.65

3.6

V

Supply Voltage

Data retention only

1.5

V

Input Voltage

0

5.5

V

Output Voltage

0

V

Operating Temperature

-40

85

°C

0

20

ns/V

Input Transition Rise or Fall

Rate

∆t/∆v

0

10

ns/V



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

V

1.7

V

High-level Input Voltage

2

V

V

0.7

V

Low-level Input Voltage

0.8

V

V

1.2

V

1.7

V

2.2

V

2.4

V

High-Level Output Voltage

2.2

V

0.2

V

0.45

V

0.7

V

0.4

V

Low-Level Output Voltage

0.55

V

Input Leakage Current

±5

μA

Power OFF Leakage Current

±10

μA

OFF-state output current

±10

μA