MC74VHC541DWR2 datasheet(2/6 Pages) ONSEMI

Part #	MC74VHC541DWR2

Description	Octal Bus Buffer

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Manufacturer	ONSEMI [ON Semiconductor]

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MC74VHC541

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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

– 0.5 to VCC + 0.5

V

IIK

Input Diode Current

− 20

mA

IOK

Output Diode Current

± 20

mA

Iout

DC Output Current, per Pin

± 25

mA

ICC

DC Supply Current, VCC and GND Pins

± 50

mA

PD

Power Dissipation in Still Air,

SOIC Packages†

TSSOP Package†

500

450

mW

Tstg

Storage Temperature

– 65 to + 150

_C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress

ratings only. Functional operation above the Recommended Operating Conditions is not implied.

Extended exposure to stresses above the Recommended Operating Conditions may affect device

reliability.

†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

2.0

5.5

V

Vin

DC Input Voltage

0

5.5

V

Vout

DC Output Voltage

0

VCC

V

TA

Operating Temperature, All Package Types

− 40

+ 85

_C

tr, tf

Input Rise and Fall Time

VCC = 3.3V ±0.3V

VCC = 5.0V ±0.5V

0

100

20

ns/V

DC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Test Conditions

VCC

V

TA = 25°C

TA = − 40 to 85°C

Unit

Min

Typ

Max

Min

Max

VIH

Minimum High−Level Input

Voltage

2.0

3.0 to 5.5

1.50

VCC x 0.7

1.50

VCC x 0.7

V

VIL

Maximum Low−Level Input

Voltage

2.0

3.0 to 5.5

0.50

VCC x 0.3

0.50

VCC x 0.3

V

VOH

Minimum High−Level Output

Voltage

Vin = VIH or VIL

IOH = − 50mA

2.0

3.0

4.5

1.9

2.9

4.4

2.0

3.0

4.5

1.9

2.9

4.4

V

Vin = VIH or VIL

IOH = − 4mA

IOH = − 8mA

3.0

4.5

2.58

3.94

2.48

3.80

VOL

Maximum Low−Level Output

Voltage

Vin = VIH or VIL

IOL = 50mA

2.0

3.0

4.5

0.0

0.1

V

Vin = VIH or VIL

IOL = 4mA

IOL = 8mA

3.0

4.5

0.36

0.44

Iin

Maximum Input Leakage

Current

Vin = 5.5V 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

mA

ICC

Maximum Quiescent Supply

Current

Vin = VCC or GND

5.5

4.0

40.0

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.

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