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74AC244CW

Octal Buffer/Line Driver with 3-STATE Outputs

Fairchild Semiconductor 

DC Electrical Characteristics for ACT

Symbol

Parameter

VCC

TA = +25°C

TA = −55°C to +125°C TA =−40°C to +85°C

Units

Conditions

(V)

Typ

Guaranteed Limits

VIH

Minimum HIGH Level

4.5

1.5

2.0

2.0

Input Voltage

5.5

1.5

2.0

2.0

VIL

Maximum LOW Level

4.5

1.5

0.8

0.8

Input Voltage

5.5

1.5

0.8

0.8

VOH

Minimum HIGH Level

4.5

4.49

4.4

4.4

Output Voltage

5.5

5.49

5.4

5.4

2.0

V VOUT = 0.1V

2.0

or VCC − 0.1V

0.8

V VOUT = 0.1V

0.8

or VCC − 0.1V

4.4

5.4

V IOUT = −50 µA

4.5

3.86

3.70

5.5

4.86

4.70

VOL

Maximum LOW Level

4.5

0.001

0.1

0.1

Output Voltage

5.5

0.001

0.1

0.1

3.76

4.76

0.1

0.1

IOH = 12

V IOH = 24 mA

IOH = 24 mA (Note 5)

V IOUT = 50 µA

4.5

5.5

IIN

Maximum Input

5.5

Leakage Current

0.36

0.50

0.36

0.50

±0.1

±1.0

0.44

0.44

±1.0

IOL = 12 mA

V IOL = 24 mA

IOL = 24 mA (Note 5)

µA VI = VCC, GND

IOZ

Maximum 3-STATE

5.5

Current

±0.25

±5.0

ICCT

Maximum

5.5

0.6

1.6

ICC/Input

IOLD

Minimum Dynamic

5.5

50

IOHD

Output Current (Note 6)

5.5

−50

ICC

Maximum Quiescent

5.5

Supply Current

4.0

80.0

±2.5

1.5

75

−75

40.0

µA VI = VIL, VIH

VO = VCC, GND

mA VI = VCC − 2.1V

mA VOLD = 1.65V Max

mA VOHD = 3.85V Min

µA VIN = VCC

or GND

Note 5: All outputs loaded; thresholds on input associated with output under test.

Note 6: Maximum test duration 2.0 ms, one output loaded at a time.

3

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