U74HCT640

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 6

www.unisonic.com.tw

QW-R502-684.B

ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

-0.5~7

V

Input Voltage

-0.5~7

V

Output Voltage

V

±20

mA

±20

mA

Output Current

±35

mA

±70

mA

Storage Temperature

-65 ~ +150

°C

Note: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.

2. 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 COMDITIONS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Supply Voltage

4.5

5

5.5

V

High-Level Input Voltage

2

V

Low-Level Input Voltage

0

0.8

V

Input Voltage

0

V

Output Voltage

0

V

Input Transition Rise or Fall Rate

Δt/Δv

0

500

ns/V

Operating Temperature

-40

85

°C

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

High-Level Output Voltage

4.4

4.499

V

3.98

4.30

Low-Level Output Voltage

0.001

0.1

V

0.17

0.26

Input Leakage Current

(DIR or OE )

±0.1

±100

μA

High-Impedance State Current

(A or B)

±0.01

±0.5

μA

Quiescent Supply Current

8

μA

Additional Quiescent Supply

Current

One input at 0.5V or 2.4V,

1.4

2.4

mA

Input Capacitance (DIR or OE )

3

10

pF