U74LVC244G-S20-R datasheet(4/6 Pages) UTC

Part #	U74LVC244G-S20-R

Description	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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Manufacturer	UTC [Unisonic Technologies]

Direct Link	http://www.utc-ic.com

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4 / 6 page

U74LVC244

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw

QW-R502-245.C

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VCC=1.65V to 3.6V, IOH=-100uA

VCC-0.2

VCC=1.65V, IOH=-4mA

1.29

VCC=2.3V, IOH=-8mA

1.9

VCC=2.7V, IOH=-12mA

2.2

VCC=3V, IOH=-12mA

2.4

High-Level Output Voltage

VOH

VCC=3V, IOH=-24mA

2.3

V

VCC=1.65V to 3.6V, IOH=100uA

0.1

VCC= 1.65V, IOH=4mA

0.24

VCC=2.3V, IOH=8mA

0.3

VCC=2.7V, IOH=12mA

0.4

Low-Level Output Voltage

VOL

VCC=3V, IOH=24mA

0.55

V

Input Leakage Current

II(LEAK)

VCC=3.6V, VIN=5.5 V or GND

±1

uA

Power OFF Leakage Current

IOFF

VCC=0V, VIN or VOUT=5.5V

±1

uA

Output OFF-State Current

IOZ

VCC=3.6V, VOUT=0 or GND

±1

uA

VCC=3.6V ,VIN=VCC or GND, IOUT=0

1

Quiescent Supply Current

IQ

VCC=3.6V ,3.6V≦VIN≦5.5V, IOUT=0

1

uA

Additional Quiescent Supply

Current

ΔIQ

VCC=2.7V to 3.6V, One input at

VCC-0.6V,Other inputs at VCC or GND

500

uA

Input Capacitance

CI

VCC=3.3V, VIN=VCC or GND

4

pF

Output Capacitance

CO

VCC=3.3V, VOUT=VCC or GND

5.5

pF

SWITCHING CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VCC=1.5V

1

7

14.4

VCC=1.8V±0.15V

1

5.9

10.4

VCC=2.5V±0.2V

1

4.2

7.4

VCC=2.7V

1

4.2

6.7

From Input(A) to Output(Y)

tpd

VCC=3.3V±0.3V

1.5

3.9

5.7

ns

VCC=1.5V

1

8.3

17.8

VCC=1.8V±0.15V

1

6.4

12.1

VCC=2.5V±0.2V

1

4.6

9.1

VCC=2.7V

1

5

8.4

From Input(OE) to Output(Y)

ten

VCC=3.3V±0.3V

1.5

4.5

7.4

ns

VCC=1.5V

1

7.2

15.6

VCC=1.8V±0.15 V

1

5.8

11.6

VCC=2.5V±0.2V

1

3.7

7.3

VCC=2.7V

1

3.8

6.6

From Input(OE) to Output(Y)

tdis

VCC=3.3V±0.3V

1.5

3.8

6.3

ns

OPERATING CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OE=0, f=10MHz, VCC=1.8V

43

OE=0, f=10MHz, VCC=2.5V

43

OE=0, f=10MHz, VCC=3.3V

44

OE=1, f=10MHz, VCC=1.8V

1

OE=1, f=10MHz, VCC=2.5V

1

Power Dissipation Capacitance

Cpd

OE=1, f=10MHz, VCC=3.3V

2

pF

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