74ACT244MSAX(2008) Просмотр технического описания (PDF) - Fairchild Semiconductor

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74ACT244MSAX
(Rev.:2008)

Octal Buffer/Line Driver with 3-STATE Outputs

Fairchild Semiconductor 

DC Electrical Characteristics for AC

Symbol Parameter

VIH Minimum HIGH Level

Input Voltage

VCC (V)

3.0

4.5

Conditions

VOUT = 0.1V or

VCC − 0.1V

TA = +25°C

Typ.

1.5 2.1

2.25 3.15

TA = −55°C to TA = −40°C

+125°C

to +85°C

Guaranteed Limits

2.1

2.1

3.15

3.15

5.5

2.75 3.85

3.85

3.85

VIL Maximum LOW Level 3.0 VOUT = 0.1V or

1.5 0.9

0.9

0.9

Input Voltage

4.5 VCC − 0.1V

2.25 1.35

1.35

1.35

5.5

2.75 1.65

1.65

1.65

VOH Minimum HIGH Level 3.0 IOUT = −50µA

2.99 2.9

2.9

2.9

Output Voltage

4.5

4.49 4.4

4.4

4.4

5.5

5.49 5.4

5.4

5.4

3.0 VIN = VIL or VIH,

2.56

2.4

IOH = 12mA

4.5 VIN = VIL or VIH,

3.86

3.7

IOH = 24mA

5.5 VIN = VIL or VIH,

IOH = 24mA(1)

4.86

4.7

VOL Maximum LOW Level 3.0 IOUT = 50µA

0.002 0.1

0.1

Output Voltage

4.5

0.001 0.1

0.1

2.46

3.76

4.76

0.1

0.1

5.5

0.001 0.1

0.1

0.1

IIN(2)

Maximum Input

Leakage Current

3.0 VIN = VIL or VIH,

IOL = 12mA

4.5 VIN = VIL or VIH,

IOL = 24mA

5.5 VIN = VIL or VIH,

IOL = 24mA(1)

5.5 VI = VCC, GND

0.36

0.50

0.44

0.36

0.50

0.44

0.36

0.50

0.44

±0.1

±1.0

±1.0

IOZ Maximum 3-STATE

Leakage Current

IOLD

IOHD

ICC(2)

Minimum Dynamic

Output Current(3)

Maximum Quiescent

Supply Current

5.5 VI (OE) = VIL, VIH;

VI = VCC, VGND;

VO = VCC, GND

5.5 VOLD = 1.65V Max.

5.5 VOHD = 3.85V Min.

5.5 VIN = VCC or GND

±0.25

±5.0

50

−50

4.0

80.0

±2.5

75

−75

40.0

Units

V

V

V

V

µA

µA

mA

mA

µA

Notes:

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

2. IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC.

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

©1988 Fairchild Semiconductor Corporation

74AC244, 74ACT244 Rev. 1.4.0

4

www.fairchildsemi.com

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