74ACT244 datasheet(3/11 Pages) ONSEMI

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74AC244, 74ACT244

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DC ELECTRICAL CHARACTERISTICS FOR AC

TA = +25°C

TA = −55°C to

+125°C

TA = −40°C to

+85°C

Symbol

Parameter

VCC(V)

Conditions

Typ

Guaranteed Limits

Unit

VIH

Minimum HIGH Level

Input Voltage

3.0

VOUT = 0.1 V or

VCC − 0.1 V

1.5

2.1

4.5

2.25

3.15

5.5

2.75

3.85

VIL

Maximum LOW Level

Input Voltage

3.0

VOUT = 0.1 V or

VCC − 0.1 V

1.5

0.9

4.5

2.25

1.35

5.5

2.75

1.65

VOH

Minimum HIGH Level

Output Voltage

3.0

IOUT = −50 mA

2.99

2.9

4.5

4.49

4.4

5.5

5.49

5.4

3.0

VIN = VIL or VIH,

IOH = 12 mA

2.56

2.40

2.46

4.5

VIN = VIL or VIH,

IOH = 24 mA

3.86

3.70

3.76

5.5

VIN = VIL or VIH,

IOH = 24 mA (Note 1)

4.86

4.70

4.76

VOL

Maximum LOW Level

Output Voltage

3.0

IOUT = 50 mA

0.002

0.1

4.5

0.001

0.1

5.5

0.001

0.1

3.0

VIN = VIL or VIH,

IOL = 12 mA

0.36

0.50

0.44

4.5

VIN = VIL or VIH,

IOL = 24 mA

0.36

0.50

0.44

5.5

VIN = VIL or VIH,

IOL = 24 mA (Note 1)

0.36

0.50

0.44

IIN

(Note 2)

Maximum Input

Leakage Current

5.5

VI = VCC, GND

±0.1

±1.0

IOZ

Maximum 3−STATE

Leakage Current

5.5

VI (OE) = VIL, VIH;

VI = VCC, VGND;

VO = VCC, GND

±0.25

±5.0

±2.5

IOLD

Minimum Dynamic

Output Current (Note 3)

5.5

VOLD = 1.65 V Max.

IOHD

5.5

VOHD = 3.85 V Min.

−50

−75

ICC

(Note 2)

Maximum Quiescent

Supply Current

5.5

VIN = VCC or GND

4.0

80.0

40.0

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

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

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

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