U74LVC244

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 6

www.unisonic.com.tw

QW-R502-245.E



ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

CONDITIONS

RATINGS

UNIT

Supply Voltage

-0.5 ~ 6.5

V

Input Voltage

-0.5 ~ 6.5

V

Output in high-impedance or

power-off state

-0.5 ~ 6.5

V

Output Voltage

Output in high or low state

V

Input Clamp Current

-50

mA

Output Clamp Current

-50

mA

Output Current

±50

mA

±100

mA

Operating Temperature

-40 ~ +125

°C

Storage Temperature

-65 ~ +150

°C

Notes: 1. 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.

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



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

DIP-20

69

°C/W

SOP-20

58

°C/W

Junction to Ambient

TSSOP-20

83

°C/W



RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

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

V

1.7

V

High-Level Input Voltage

2

V

V

0.7

V

Low-Level Input Voltage

0.8

V

-4

mA

-8

mA

-12

mA

High-Level Output Current

-24

mA

4

mA

8

mA

12

mA

Low-Level Output Current

24

mA

0

20

ns/V

Input Rise and Fall Times

0

10

ns/V