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Multiplexers | 74LCX138

Low Voltage 1-of-8 Decoder/Demultiplexer with 5V Tolerant Inputs

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Overview

The LCX138 is a high-speed 1-of-8 decoder/demultiplexer. This device is ideally suited for high-speed memory chip select address decoding. The multiple input enables allow parallel expansion to a 1-of-24 decoder using just three LCX138 devices or a 1-of-32 decoder using four LCX138 devices and one inverter. The 74LCX138 is fabricated with advanced CMOS technology to achieve high speed operation while maintaining CMOS low power dissipation.

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

  • 5V tolerant inputs
  • 2.3V to 3.6V VCC specifications provided
  • 6.0 ns tPD max (VCC = 3.3V), 10 µA ICC max
  • Power down high impedance inputs and outputs
  • ±24 mA output drive (VCC = 3.0V)
  • Implements patented noise/EMI reduction circuitry
  • Latch-up performance exceeds 500 mA
  • ESD performance: Human body model > 2000V Machine model > 200V
  • Leadless DQFN package

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MSL Temp (°C)

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VCC Min (V)

VCC Max (V)

tpd Max (ns)

IO Max (mA)

Reference Price

74LCX138BQX

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Active

CAD Model

Pb

A

H

P

WQFN-16

510CC

1

260

REEL

3000

N

1

2

3.6

6.5

24

$0.2227

More Details

74LCX138M

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-16

751BG

1

260

TUBE

960

N

1

2

3.6

6.5

24

Price N/A

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74LCX138MTC

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Obsolete

CAD Model

Pb

A

H

P

TSSOP-16

948AH

1

260

TUBE

2350

N

1

2

3.6

6.5

24

Price N/A

More Details

74LCX138MTCX

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Active

CAD Model

Pb

A

H

P

TSSOP-16

948AH

1

260

REEL

2500

N

1

2

3.6

6.5

24

$0.2448

More Details

74LCX138MX

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Active

CAD Model

Pb

A

H

P

SOIC-16

751BG

1

260

REEL

2500

N

1

2

3.6

6.5

24

$0.5475

More Details

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Reliability Data

Die Related Summary Data

Device: 74LCX138BQX

Equivalent to wafer fab process: CMOS STD

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CMOS STD

3

3597164517

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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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