IN74HCT244A datasheet(2/6 Pages) INTEGRAL | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver

2 page

IN74HCT244A

INTEGRAL

MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VCC

DC Supply Voltage (Referenced to GND)

-0.5 to +7.0

VIN

DC Input Voltage (Referenced to GND)

-1.5 to VCC +1.5

VOUT

DC Output Voltage (Referenced to GND)

-0.5 to VCC +0.5

IIN

DC Input Current, per Pin

±20

IOUT

DC Output Current, per Pin

±35

ICC

DC Supply Current, VCC and GND Pins

±75

Power Dissipation in Still Air, Plastic DIP

SOIC Package

750

500

Tstg

Storage Temperature

-65 to +150

°C

Lead Temperature, 1 mm from Case for 10 Seconds

(Plastic DIP or SOIC Package)

260

°C

*Maximum Ratings are those values beyond which damage to the device may occur.

Functional operation should be restricted to the Recommended Operating Conditions.

**Derating - Plastic DIP: - 10 mW/

°C from 65° to 125°C

SOIC Package: : - 7 mW/

°C from 65° to 125°C

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Min

Max

Unit

VCC

DC Supply Voltage (Referenced to GND)

4.5

5.5

VIN, VOUT

DC Input Voltage, Output Voltage (Referenced to GND)

VCC

Operating Temperature, All Package Types

-55

+125

°C

tr, tf

Input Rise and Fall Time (Figure 1)

500

This device contains protection circuitry to guard against damage due to high static voltages or electric

fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages

to this high-impedance circuit. For proper operation, VIN and VOUT should be constrained to the range GND

≤(V

IN or

VOUT)

≤V

CC.

Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or VCC). Unused

outputs must be left open.

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