U74HC138

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw

QW-R502-614.E



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

-0.5 ~ 7.0

V

±20

mA

±20

mA

±25

mA

±50

mA

Storage Temperature

-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

Supply Voltage

Operating

2.0

5.0

6.0

V

Input Voltage

0

V

Output Voltage

0

V

Operating Temperature

-40

+85

°C

Input Rise or Fall Times

1000

ns

500

400



THERMAL CHARACTERISTICS

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

DIP-16

67

°C/W

SOP-16

73

SSOP-16

82

TSSOP-16

108



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX UNIT

High-level input voltage

1.5

V

3.15

V

4.2

V

Low-level output voltage

0.5

V

1.35

V

1.8

V

High-Level Output Voltage

1.9

1.998

V

4.4

4.499

V

5.9

5.999

V

3.98

4.3

V

5.48

5.8

V

Low-Level Output Voltage

0.002

0.1

V

0.001

0.1

V

0.001

0.1

V

0.17

0.26

V

0.15

0.26

V

Input Leakage Current

±0.1 ±100

nA

Quiescent Supply Current

8

μA

Input Capacitance

3

10

pF