74VHCT540A datasheet(4/9 Pages) FAIRCHILD

Part #	74VHCT540A

Description	Octal Buffer/Line Driver with 3-STATE Outputs

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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74VHCT540A Rev. 1.3

4

DC Electrical Characteristics

Noise Characteristics

Note:

6. Parameter guaranteed by design.

Symbol

Parameter

VCC (V)

Conditions

TA = 25°C

TA = –40°C

to +85°C

Units

Min.

Typ.

Max.

Min.

Max.

VIH

HIGH Level Input

Voltage

4.5–5.5

2.0

V

VIL

LOW Level Input

Voltage

4.5–5.5

0.8

V

VOH

HIGH Level Output

Voltage

4.5

VIN = VIH

or VIL

IOH = –50µA

4.4

4.5

4.4

V

IOH = –8mA

3.94

3.80

VOL

LOW Level Output

Voltage

4.5

VIN = VIH

or VIL

IOL = 50µA

0.0

0.1

V

IOL = 8mA

0.36

0.44

IOZ

3-STATE Output

OFF-STATE Current

5.5

VIN = VIH or VIL,

VOUT = VCC or GND

±0.25

±2.5

µA

IIN

Input Leakage

Current

0–5.5

VIN = 5.5V or GND

±0.1

±1.0

µA

ICC

Quiescent Supply

Current

5.5

VIN = VCC or GND

4.0

40.0

µA

ICCT

Maximum ICC/Input

5.5

VIN = 3.4V, Other

Inputs

= V

CC or GND

1.35

1.50

mA

IOFF

Output Leakage

Current

0VOUT = 5.5V

0.5

5.0

µA

Symbol

Parameter

VCC (V)

Conditions

TA = 25°C

Units

Typ.

Limits

VOLP

(6)

Quiet Output Maximum Dynamic

VOL

5.0

CL = 50pF

1.2

1.6

V

VOLV

(6)

Quiet Output Minimum

Dynamic VOL

5.0

CL = 50pF

–1.2

1.6

V

VIHD

(6)

Minimum HIGH Level Dynamic

Input Voltage

5.0

CL = 50pF

2.0

V

VILD

(6)

Maximum HIGH Level Dynamic

Input Voltage

5.0

CL = 50pF

0.8

V

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