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SL74HCT244N

Octal 3-State Noninverting Buffer/Line Driver/Line Receiver

System Logic Semiconductor 

SL74HCT244

DC ELECTRICAL CHARACTERISTICS(Voltages Referenced to GND)

Symbol

Parameter

Test Conditions

VCC

Guaranteed Limit

V 25 °C to ≤85

-55°C °C

≤125 Unit

°C

VIH

Minimum High-Level VOUT= VCC-0.1 V

Input Voltage

IOUT≤ 20 µA

4.5 2.0

2.0

2.0

V

5.5 2.0

2.0

2.0

VIL

Maximum Low -Level VOUT=0.1 V

Input Voltage

IOUT ≤ 20 µA

4.5 0.8

0.8

0.8

V

5.5 0.8

0.8

0.8

VOH

Minimum High-Level VIN=VIH

Output Voltage

IOUT ≤ 20 µA

4.5 4.4

4.4

4.4

V

5.5 5.4

5.4

5.4

VIN=VIH

IOUT ≤ 6.0 mA

4.5 3.98 3.84 3.7

VOL

Maximum Low-Level VIN= VIL

Output Voltage

IOUT ≤ 20 µA

4.5 0.1

0.1

0.1

V

5.5 0.1

0.1

0.1

IIN

Maximum Input

Leakage Current

VIN= VIL

IOUT ≤6.0 mA

VIN=VCC or GND

4.5 0.26 0.33 0.4

5.5 ±0.1 ±1.0 ±1.0 µA

IOZ

Maximum Three-State Output in High-

Leakage Current

Impedance State

VIN= VIL or VIH

VOUT=VCC or GND

ICC

Maximum Quiescent VIN=VCC or GND

Supply Current

IOUT=0µA

per Package)

5.5 ±0.5 ±5.0 ±10.0 µA

5.5 4.0

40

160

µA

∆ICC Additional Quiescent VIN=2.4 V, Any One Input

Supply Current

VIN=VCC or GND, Other

Inputs

≥-55°C

25°C to

mA

125°C

IOUT=0µA

NOTE: Total Supply Current = ICC + Σ∆ICC.

5.5

2.9

2.4

SLS

System Logic

Semiconductor

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