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ONSEMI MC74ACT138DR2G High-Speed Address Decoder

The MC74AC138/74ACT138 is a high-speed 1-of-8 decoder and demultiplexer designed for rapid address decoding in digital circuits. It features active LOW mutually exclusive outputs, multiple enable inputs for easy expansion to 1-of-16, 1-of-24, or 1-of-32 configurations, and TTL-compatible inputs. Suitable for memory chip select and other decoding applications, this device can also function as an 8-output demultiplexer. Its robust construction and logic features make it ideal for high-speed digital systems requiring reliable, parallel address decoding.

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Part No:MC74ACT138DR2G
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Inv Date:06-11-2026
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ONSEMI MC74ACT138DR2G High-Speed Address Decoder Specifications:

  • Supply Voltage Range: 2.0 V to 6.0 V
  • Input Voltage: 0 V to Vcc + 0.5 V
  • Output Voltage: 0 V to Vcc + 0.5 V
  • Output Sink/Source Current: 24 mA
  • Propagation Delay: 15-85 ns depending on conditions
  • Power Dissipation: 500 mW at 65°C, derates to 300 mW at higher temps
  • Maximum Operating Temperature: -40°C to +85°C
  • Storage Temperature Range: -65°C to +150°C
  • Package Types: SOIC-16, TSSOP-16
  • Lead Temperature (10s): 260°C
  • ESD Resistance: >2000V Human Body Model

Buy the ON Semiconductor Series 138 Decoder: MC74ACT138DR2G

Order the ON Semiconductor MC74ACT138DR2G online today for rapid, reliable address decoding in digital systems. Its active LOW outputs, multiple enable inputs for easy expansion, and TTL compatibility make it ideal for high-speed memory chip select and demultiplexing. The device supports up to 6.0 V supply, source/sink 24 mA, and features propagation delays as low as 15 ns. Manufactured with high-quality standards and available in compact SOIC and TSSOP packages, it ensures robust performance for demanding digital applications.

Get ON Semiconductor MC74ACT138DR2G today—built for precise address decoding and long-lasting digital system reliability.

Frequently Asked Questions

Where can I buy ONSEMI MC74ACT138DR2G?

You can click on the BUY or RFQ button to purchase MC74ACT138DR2G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MC74ACT138DR2G?

You can download the MC74ACT138DR2G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MC74ACT138DR2G?

ONSEMI

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