U74HCT245G-R20-T datasheet(3/5 Pages) UTC

3 / 5 page

U74HCT245

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 5

www.unisonic.com.tw

QW-R502-646.B

ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

VCC

-0.5~7.0

Input Clamp Current (ViN<0)

IIK

±20

Output Clamp Current (VOUT<0)

IOK

±20

Output Current

IOUT

±35

VCC or GND Current

ICC

±70

Storage Temperature

TSTG

-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.

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

Supply Voltage

VCC

4.5

5.5

Input Voltage

VIN

VCC

Output Voltage

VOUT

VCC

Input Transition Rise or Fall Rate

500

Operating Temperature

TOPR

-40

°C

ELECTRICAL CHARACTERISTICS (TA=25°С, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

High-Level input voltage

VIH

VCC=4.5V~5.5V

2.0

1.6

Low-Level output voltage

VIL

VCC=4.5V~5.5V

1.2

0.8

High-Level Output Voltage

VOH

VCC=4.5V, IOH=-20μA

4.4

4.499

VCC=4.5V, IOH=-6mA

3.98

4.3

Low-Level Output Voltage

VOL

VCC=4.5V, IOL=20μA

0.001

0.1

VCC=4.5V, IOH=6mA

0.17

0.26

Input Current of DIR or OE

II(LEAK)

VCC=5.5V, VIN=VCC or GND

±0.1

±100

Output OFF -state current

IOZ

VCC=5.5V, VOUT=VCC or GND

±0.01

±0.5

μA

Quiescent Supply Current

ICC

VCC=5.5V, VIN=VCC or GND, IOUT=0

μA

Additional Quiescent Supply Current

ΔICC

VCC=5.5V,One input at 0.5V or

2.4V,other inputs at 0 or VCC

1.4

2.4

Input Capacitance of DIR or OE

CIN

VCC=5.5V, VIN=VCC or GND

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