74AC244, 74ACT244

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2

PIN DESCRIPTION

Pin Name

Description

3−STATE Output Enable Inputs

Inputs

Outputs

TRUTH TABLE

Inputs

Outputs

(Pins 12, 14, 16, 18)

L

L

L

L

H

H

H

X

Z

Inputs

Outputs

(Pins 3, 5, 7, 9)

L

L

L

L

H

H

H

X

Z

NOTE: X = Immaterial, Z = High Impedance

ABSOLUTE MAXIMUM RATINGS

Parameter

Symbol

Rating

Unit

Supply Voltage

−0.5 to +7.0

V

DC Input Diode Current

−20

mA

+20

DC Input Voltage

V

DC Output Diode Current

−20

mA

+20

DC Output Voltage

V

DC Output Source or Sink Current

±50

mA

±50

mA

Storage Temperature

−65 to +150

°C

Junction Temperature

140

°C

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality

should not be assumed, damage may occur and reliability may be affected.

RECOMMENDED OPERATING CONDITIONS

Parameter

Symbol

Rating

Unit

Supply Voltage

AC

2.0 to 6.0

V

ACT

4.5 to 5.5

Input Voltage

V

Output Voltage

V

Operating Temperature

−40 to +85

°C

Minimum Input Edge Rate, AC Devices:

DV / Dt

125

mV/ns

Minimum Input Edge Rate, ACT Devices:

DV / Dt

125

mV/ns

Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond

the Recommended Operating Ranges limits may affect device reliability.