74ACT244_08 datasheet(5/12 Pages) FAIRCHILD

Il numero della parte	74ACT244

Spiegazioni elettronici	74AC244, 74ACT244 Octal Buffer/Line Driver with 3-STATE Outputs

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Produttore elettronici	FAIRCHILD [Fairchild Semiconductor]

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74AC244, 74ACT244 Rev. 1.4.0

5

DC Electrical Characteristics for ACT

Notes:

4. All outputs loaded; thresholds on input associated with output under test.

5. Maximum test duration 2.0ms, one output loaded at a time.

Symbol

Parameter

VCC (V)

Conditions

TA = +25°C

TA = −55°C

to

+125°C

TA =−40°C

to

+85°C

Units

Typ.

Guaranteed Limits

VIH

Minimum HIGH Level

Input Voltage

4.5

VOUT = 0.1V or

VCC − 0.1V

1.5

2.0

V

5.5

1.5

2.0

VIL

Maximum LOW Level

Input Voltage

4.5

VOUT = 0.1V or

VCC − 0.1V

1.5

0.8

V

5.5

1.5

0.8

VOH

Minimum HIGH Level

Output Voltage

4.5

IOUT = −50µA

4.49

4.4

V

5.5

5.49

5.4

4.5

VIN = VIL or VIH,

IOH = 24mA

3.86

3.70

3.76

5.5

VIN = VIL or VIH,

IOH = 24mA

(4)

4.86

4.70

4.76

VOL

Maximum LOW Level

Output Voltage

4.5

IOUT = 50µA

0.001

0.1

V

5.5

0.001

0.1

4.5

VIN = VIL or VIH,

IOL = 24mA

0.36

0.50

0.44

5.5

VIN = VIL or VIH,

IOL = 24mA

(4)

0.36

0.50

0.44

IIN

Maximum Input

Leakage Current

5.5

VI = VCC, GND

±0.1

±1.0

µA

IOZ

Maximum 3-STATE

Leakage Current

5.5

VI = VIL, VIH;

VO = VCC, GND

±0.25

±5.0

±2.5

µA

ICCT

Maximum ICC/Input

5.5

VI = VCC − 2.1V

0.6

1.6

1.5

mA

IOLD

Minimum Dynamic

Output Current(5)

5.5

VOLD = 1.65V Max.

50

75

mA

IOHD

5.5

VOHD = 3.85V Min.

−50

−75

mA

ICC

Maximum Quiescent

Supply Current

5.5

VIN = VCC or GND

4.0

80.0

40.0

µA

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