74ACT244 datasheet(2/9 Pages) ONSEMI

2 / 9 page

MC74AC244, MC74ACT244

http://onsemi.com

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)

−0.5 to VCC +0.5

VOUT

DC Output Voltage (Referenced to GND)

−0.5 to VCC +0.5

IIN

DC Input Current, per Pin

±20

IOUT

DC Output Sink/Source Current, per Pin

±50

ICC

DC VCC or GND Current per Output Pin

±50

Tstg

Storage Temperature

−65 to +150

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Min

Typ

Max

Unit

VCC

Supply Voltage

′AC

2.0

5.0

6.0

′ACT

4.5

5.0

5.5

VIN, VOUT

DC Input Voltage, Output Voltage (Ref. to GND)

−

VCC

tr, tf

Input Rise and Fall Time (Note 1)

′AC Devices except Schmitt Inputs

VCC @ 3.0 V

−

150

−

VCC @ 4.5 V

−

ns/V

VCC @ 5.5 V

−

tr, tf

Input Rise and Fall Time (Note 2)

′ACT Devices except Schmitt Inputs

VCC @ 4.5 V

−

ns/V

VCC @ 5.5 V

−

8.0

−

Junction Temperature (PDIP)

−

140

°C

Operating Ambient Temperature Range

−40

°C

IOH

Output Current − High

−

−24

IOL

Output Current − Low

−

1. VIN from 30% to 70% VCC; see individual Data Sheets for devices that differ from the typical input rise and fall times.

2. VIN from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.

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