Buffers | MC74HC244A

Octal 3-State Non-Inverting Buffer/Line Driver/Line Receiver

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Overview

High-Performance Silicon-Gate CMOS

The MC74HC244A is identical in pinout to the LS244. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.

This octal noninverting buffer/line driver/line receiver is designed to be used with 3-state memory address drivers, clock drivers, and other bus-oriented systems. The device has noninverting outputs and two active-low output enables.

The HC244A is similar in function to the HC240A and HC241A.

  • This product is general usage and suitable for many different applications.

  • *Standard Device (No Specific End Product)

  • Output Drive Capability: 15 LSTTL Loads
  • Operating Voltage Range: 2 to 6 V
  • Outputs Directly Interface to CMOS, NMOS, and TTL
  • Low Input Current: 1 mA
  • High Noise Immunity Characteristic of CMOS Devices
  • In Compliance with the Requirements Defined by JEDEC Standard No. 7A
  • Chip Complexity: 136 FETs or 34 Equivalent Gates
  • Pb-Free Packages are Available*

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Reference Price

MC74HC244ADTG

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Active

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

TUBE

75

N

8

3-State

2

6

22

6

$0.3204

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MC74HC244ADTR2G

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CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

N

8

3-State

2

6

22

6

$0.1547

More Details

MC74HC244ADTR2G-Q

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Active

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

F

8

3-State

2

6

22

6

$0.2501

More Details

MC74HC244ADWG

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CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

TUBE

38

N

8

3-State

2

6

22

6

$0.32

More Details

MC74HC244ADWR2G

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Active

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

REEL

1000

N

8

3-State

2

6

22

6

$0.264

More Details

MC74HC244ADWR2G-Q

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Active

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

REEL

1000

F

8

3-State

2

6

22

6

$0.32

More Details

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Reliability Data

Die Related Summary Data

Device: MC74HC244ADTG

Equivalent to wafer fab process: CMOS SUB

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CMOS SUB

2

920154574

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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