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Multiplexers | 74ACT138

1-of-8 Decoder/Demultiplexer

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Overview

The AC/ACT138 is a high-speed 1-of-8 decoder/demultiplexer. This device is ideally suited for high-speed bipolar memory chip select address decoding. The multiple input enables allow parallel expansion to a 1-of-24 decoder using just three AC/ACT138 devices or a 1-of-32 decoder using four AC/ACT138 devices and one inverter.

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

  • ICC reduced by 50%
  • Demultiplexing capability
  • Multiple input enable for easy expansion
  • Active LOW mutually exclusive outputs
  • Outputs source/sink 24 mA
  • ACT138 has TTL-compatible inputs

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74ACT138SC

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CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

TUBE

48

N

1

4.5

5.5

8

24

$0.3403

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74ACT138SCX

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Active

CAD Model

Pb

A

H

P

SOIC-16

751BG

1

260

REEL

2500

N

1

4.5

5.5

8

24

$0.2873

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Reliability Data

Die Related Summary Data

Device: 74ACT138SC

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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