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DC Electrical Characteristics (Voltages Referenced to GND)

Advanced CMOS TTL Input – 74ACT244

Rev 1.0

24/04/19

LIMITS

PARAMETER

SYMBOL

VCC

CONDITIONS

25°C

85°C

FULL RANGE

4

UNITS

4.5V

2

2

2

Minimum High-Level

Input Voltage

VIH

5.5V

VOUT = 0.1V or

VCC -0.1V

2

2

2

V

4.5V

0.8

0.8

0.8

Maximum Low-Level

Input Voltage

VIL

5.5V

VOUT = 0.1V or

VCC -0.1V

0.8

0.8

0.8

V

4.5V

4.4

4.4

4.4

5.5V

IOUT = -50µA

5.4

5.4

5.4

V

4.5V

3.86

3.76

3.76

Minimum High-Level

Output Voltage

VOH

5.5V

VIN = VIL or VIH

4

IOH = -24mA

4.86

4.76

4.76

V

4.5V

0.1

0.1

0.1

5.5V

IOUT = 50µA

0.1

0.1

0.1

V

4.5V

0.36

0.44

0.44

Maximum Low-Level

Output Voltage

VOL

5.5V

VIN = VIL or VIH

4

IOL = 24mA

0.36

0.44

0.44

V

Maximum Input

Leakage Current

IIN

5.5V

VIN = VCC or GND

±0.1

±1.0

±1.0

µA

Maximum 3-State

leakage current

IOZ

5.5V

VOUT=VCC or GND

VIN = VIL or VIH

±0.5

±2.5

±2.5

µA

Additional Maximum

ICC / Input

ΔICCT

5.5V

VIN = VCC -2.1V

1

1.5

1.5

mA

IOLD

5.5V

VOLD = 1.65V Max

-

75

75

Minimum Dynamic

Output Current

6

IOHD

5.5V

VOHD = 3.85V Min

-

-75

-75

mA

Maximum Quiescent

Supply Leakage

Current

ICC

5.5V

VIN = VCC or GND

IOUT = 0µA

8

40

40

µA

4. 0˚C ≤ TJ ≤ +85˚C 5. All outputs loaded; thresholds on input associated with output under test. 6. Maximum test duration 2.0 ms, one output

loaded at a time.

AC Electrical Characteristics7

LIMITS

PARAMETER

SYMBOL

VCC

CONDITIONS

25°C

85°C

FULL RANGE

4

UNITS

Propagation Delay

1A to 1Y or 2A to 2Y

tPLH, tPHL

5V ±0.5

CL = 50pF

9

10

10

ns

tPZH

8.5

9.5

9.5

Output Enable Time

OE to 1Y or 2Y

tPZL

5V ±0.5

CL = 50pF

9.5

10.5

10.5

ns

tPHZ

9.5

10.5

10.5

Output Disable Time

OE to 1Y or 2Y

tPLZ

5V ±0.5

CL = 50pF

10

10.5

10.5

ns

 

7. Not production tested in die form, characterized by chip design and tested in package.