MC74VHCT244ADTG datasheet(3/7 Pages) ONSEMI

부품명	MC74VHCT244ADTG

상세설명	Octal Bus Buffer/Line Driver with 3-State Outputs

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MC74VHCT244A

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MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VCC

DC Supply Voltage

–0.5 to +7.0

V

Vin

DC Input Voltage

–0.5 to +7.0

V

Vout

DC Output Voltage

Output in 3−State

High or Low State

–0.5 to +7.0

–0.5 to VCC + 0.5

V

IIK

Input Diode Current

−20

mA

IOK

Output Diode Current (VOUT < GND; VOUT > VCC)

±20

mA

Iout

DC Output Current, per Pin

±25

mA

ICC

DC Supply Current, VCC and GND Pins

±75

mA

PD

Power Dissipation in Still Air,

SOIC Packages†

TSSOP Package†

500

450

mW

Tstg

Storage Temperature

–65 to +150

°C

Maximum ratings are those values beyond which device damage can occur. Maximum ratings

applied to the device are individual stress limit values (not normal operating conditions) and are

not valid simultaneously. If these limits are exceeded, device functional operation is not implied,

damage may occur and reliability may be affected.

†Derating − SOIC Packages: – 7 mW/

°C from 65° to 125°C

TSSOP Package: − 6.1 mW/

°C from 65° to 125°C

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Min

Max

Unit

VCC

DC Supply Voltage

4.5

5.5

V

Vin

DC Input Voltage

0

5.5

V

Vout

DC Output Voltage

Output in 3−State

High or Low State

0

5.5

VCC

V

TA

Operating Temperature

−40

+125

°C

tr, tf

Input Rise and Fall Time

VCC = 5.0 V ± 0.5 V

0

20

ns/V

DC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Test Conditions

VCC

V

TA = 25°C

TA = − 40 to 85°C

TA = 85 to 125°C

Unit

Min

Typ

Max

Min

Max

Min

Max

VIH

Minimum High−Level

Input Voltage

4.5 to

5.5

2.0

V

VIL

Maximum Low−Level

Input Voltage

4.5 to

5.5

0.8

V

VOH

Minimum High−Level

Output Voltage

Vin = VIH or VIL

IOH = −50 mA

4.5

4.4

4.5

4.4

V

IOH = −8 mA

4.5

3.94

3.80

3.66

VOL

Maximum Low−Level

Output Voltage

Vin = VIH or VIL

IOL = 50 mA

4.5

0.0

0.1

V

IOL = 8 mA

4.5

0.36

0.44

0.52

Iin

Maximum Input

Leakage Current

Vin = 5.5 V or GND

0 to

5.5

±0.1

±1.0

mA

IOZ

Maximum 3−State

Leakage Current

Vin = VIL or VIH

Vout = VCC or GND

5.5

±0.25

±2.5

2.5

mA

ICC

Maximum Quiescent

Supply Current

Vin = VCC or GND

5.5

4.0

40.0

mA

ICCT

Quiescent Supply

Current

Per Input: VIN =3.4 V

Other Input: VCC or

GND

5.5

1.35

1.50

1.65

mA

IOPD

Output Leakage

Current

VOUT = 5.5 V

0

0.5

5.0

10

mA

This device contains protection

circuitry to guard against damage

due to high static voltages or electric

fields. However, precautions must

be taken to avoid applications of any

voltage higher than maximum rated

voltages to this high−impedance cir-

cuit. For proper operation, Vin and

Vout should be constrained to the

range GND

v (Vin or Vout) v VCC.

Unused inputs must always be

tied to an appropriate logic voltage

level (e.g., either GND or VCC).

Unused outputs must be left open.

유사한 부품 번호 - MC74VHCT244ADTG

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