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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CAD Models

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Case Outline

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Channels

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

1

260

REEL

3000

N

1

2

3.6

6.5

24

$0.2227

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74LCX138M

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CAD Model

Pb

A

H

P

SOIC-16

1

260

TUBE

960

N

1

2

3.6

6.5

24

Price N/A

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74LCX138MTC

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Last Shipments

CAD Model

Pb

A

H

P

TSSOP-16

1

260

TUBE

2350

N

1

2

3.6

6.5

24

Price N/A

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74LCX138MTCX

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Active

CAD Model

Pb

A

H

P

TSSOP-16

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

1

260

REEL

2500

N

1

2

3.6

6.5

24

$0.5475

More Details

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