74VHC244SJ datasheet(3/8 Pages) FAIRCHILD

部件名	74VHC244SJ

功能描述	Octal Buffer/Line Driver with 3-STATE Outputs

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制造商	FAIRCHILD [Fairchild Semiconductor]

网页	http://www.fairchildsemi.com

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Absolute Maximum Ratings(Note 1)

Recommended Operating

Conditions (Note 2)

Note 1: Absolute Maximum Ratings are values beyond which the device

may be damaged or have its useful life impaired. The databook specifica-

tions should be met, without exception, to ensure that the system design is

reliable over its power supply, temperature, and output/input loading vari-

ables. Fairchild does not recommend operation outside databook specifica-

tions.

Note 2: Unused inputs must be held HIGH or LOW. They may not float.

DC Electrical Characteristics

Noise Characteristics

Note 3: Parameter guaranteed by design.

Supply Voltage (VCC)

0.5V to 7.0V

DC Input Voltage (VIN)

0.5V to 7.0V

DC Output Voltage (VOUT)

0.5V to VCC 0.5V

Input Diode Current (IIK)

20 mA

Output Diode Current (IOK)

r20 mA

DC Output Current (IOUT)

r25 mA

DC VCC/GND Current (ICC)

r75 mA

Storage Temperature (TSTG)

65qC to 150qC

Lead Temperature (TL)

(Soldering, 10 seconds)

260

qC

Supply Voltage (VCC)

2.0V to 5.5V

Input Voltage (VIN)0V to 5.5V

Output Voltage (VOUT)0V to VCC

Operating Temperature (TOPR)

40qC to 85qC

Input Rise and Fall Time (tr, tf)

VCC 3.3V r 0.3V

0 ns/V

a 100 ns/V

VCC 5.0V r 0.5V

0 ns/V

a 20 ns/V

Symbol

Parameter

VCC

TA 25qCTA 40qC to 85qC

Units

Conditions

(V)

Min

Typ

Max

Min

Max

VIH

HIGH Level

2.0

1.5

V

Input Voltage

3.0

5.5

0.7 VCC

VIL

LOW Level

2.0

0.5

V

Input Voltage

3.0

5.5

0.3 VCC

VOH

HIGH Level

2.0

1.9

2.0

1.9

VIN VIH IOH 50 PA

Output Voltage

3.0

2.9

3.0

2.9

V

or VIL

4.5

4.4

4.5

4.4

3.0

2.58

2.48

V

IOH 4 mA

4.5

3.94

3.80

IOH 8 mA

VOL

LOW Level

2.0

0.0

0.1

VIN VIH IOL 50 PA

Output Voltage

3.0

0.0

0.1

V

or VIL

4.5

0.0

0.1

3.0

0.36

0.44

V

IOL 4 mA

4.5

0.36

0.44

IOL 8 mA

IOZ

3-STATE Output

5.5

r0.25

r2.5

PAVIN VIH or VIL

Off-State Current

VOUT VCC or GND

IIN

Input Leakage Current

0

5.5

r0.1

r1.0

PAVIN 5.5V or GND

ICC

Quiescent Supply Current

5.5

4.0

40.0

PAVIN VCC or GND

Symbol

Parameter

VCC

TA 25qC

Units

Conditions

(V)

Typ

Limits

VOLP

Quiet Output Maximum

5.0

0.6

0.9

V

CL 50 pF

(Note 3)

Dynamic VOL

VOLV

Quiet Output Minimum

5.0

0.6

0.9

V

CL 50 pF

(Note 3)

Dynamic VOL

VIHD

Minimum HIGH Level

5.0

3.5

V

CL 50 pF

(Note 3)

Dynamic Input Voltage

VILD

Maximum HIGH Level

5.0

1.5

V

CL 50 pF

(Note 3)

Dynamic Input Voltage

类似零件编号 - 74VHC244SJ

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Fairchild Semiconductor	74VHC244SJ	84Kb / 8P	Octal Buffer/Line Driver with 3-STATE Outputs
ON Semiconductor	74VHC244SJ	205Kb / 10P	Octal Buffer/Line Driver Revised April 2005

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