Buffers | MC74LCX244

Octal Buffer, Non-Inverting, Low Voltage, 3-State

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The MC74LCX244 is a high performance, non-inverting octal buffer operating from a 2.3 to 3.6V supply. High impedance TTL compatible inputs significantly reduce current loading to input drivers while TTL compatible outputs offer improved switching noise performance. A VI specification of 5.5V allows MC74LCX244 inputs to be safely driven from 5V devices. The MC74LCX244 is suitable for memory address driving and all TTL level bus oriented transceiver applications.

Current drive capability is 24mA at the outputs. The Output Enable (OEbar) input, when HIGH, disables the output by placing them in a HIGH Z condition.

  • Desktop

  • Designed for 2.3 to 3.6V VCC Operation
  • 5V Tolerant - Interface Capability With 5V TTL Logic
  • Supports Live Insertion and Withdrawal
  • IOFF Specification Guarantees High Impedance When VCC = 0V
  • LVTTL Compatible
  • LVCMOS Compatible
  • 24mA Balanced Output Sink and Source Capability
  • Near Zero Static Supply Current in All Three Logic States (10µA) Substantially Reduces System Power Requirements
  • Latchup Performance Exceeds 500mA
  • ESD Performance: Human Body Model >2000V; Machine Model >200V
  • Pb-Free Packages are Available*

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VCC Min (V)

VCC Max (V)

tpd Max (ns)

IO Max (mA)

Reference Price

MC74LCX244DTG

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Active

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

TUBE

75

N

8

3-State

2

3.6

6.5

24

$0.4307

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MC74LCX244DTR2G

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Active

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

N

8

3-State

2

3.6

6.5

24

$0.3681

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MC74LCX244DWG

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Active

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

TUBE

38

N

8

3-State

2

3.6

6.5

24

$0.4635

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MC74LCX244DWR2G

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Active

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

REEL

1000

N

8

3-State

2

3.6

6.5

24

$0.4635

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MC74LCX244MN2TWG

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CAD Model

Pb

A

H

P

QFN-20

485CB

1

260

REEL

3000

N

8

3-State

2

3.6

6.5

24

$0.2396

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MC74LCX244MNTWG

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Active

CAD Model

Pb

A

H

P

QFN-20

485AA

1

260

REEL

3000

N

8

3-State

2

3.6

6.5

24

$0.2877

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NLV74LCX244DTR2G

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Last Shipments

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

N

8

3-State

2

3.6

6.5

24

Price N/A

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可靠性数据

Die Related Summary Data

Device: MC74LCX244DWG

Equivalent to wafer fab process: CMOS SUB

产品技术

产品技术

等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

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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