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ONSEMI MC74ACT138DTR2G Digital Decoder

The MC74AC138/74ACT138 is a high-speed 1-of-8 decoder and demultiplexer designed for high-speed digital applications. It features multiple enable inputs for easy expansion to larger decoding systems such as 1-of-24 or 1-of-32, providing active LOW mutually exclusive outputs that source/sink up to 24 mA. Compatible with TTL inputs, these devices are available in various packages including PDIP-16, SOIC-16, and TSSOP-16, with options for Pb-free configurations. Ideal for memory chip select decoding, address decoding, and data routing in complex digital circuits, ensuring reliable performance in industrial applications.

Authorized Distributors
Source:Newark
Part No:MC74ACT138DTR2G
Stock:2218
Inv Date:06-10-2026
Price: Unit price: $0.608
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Source:DigiKey
Part No:MC74ACT138DTR2G
Stock:2033
Inv Date:06-10-2026
Price: Unit price: $0.59
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Part No:MC74ACT138DTR2G
Stock:11747
Inv Date:06-11-2026
Price: Unit price: $0.59
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Part No:MC74ACT138DTR2G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.2758
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Part No:MC74ACT138DTR2G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.2758
Buy/RFQ:
Part No:MC74ACT138DTR2G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.163
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ONSEMI MC74ACT138DTR2G Digital Decoder Specifications:

  • Supply Voltage Range: 4.5 V to 5.5 V
  • Technology: High-speed CMOS, TTL compatible inputs
  • Output Current: Source/Sink 24 mA
  • Maximum Input Voltage: -0.5 V to VCC + 0.5 V
  • Maximum Output Voltage: -0.5 V to VCC + 0.5 V
  • Maximum Power Dissipation Capacitance: 60 pF
  • Package options: PDIP-16, SOIC-16, TSSOP-16, EIAJ-16
  • Operating Temperature: -40°C to +85°C
  • Propagation Delay: Typically 15–150 ns depending on configuration and temperature
  • Number of Inputs: 3 address inputs (Ao, A1, A2)
  • Number of Enable Inputs: 3 active LOW (E1, E2) and 1 active HIGH (E3)
  • Outputs: Eight mutually exclusive active-LOW outputs
  • Expansion: Can be wired for 1-of-24 or 1-of-32 decoding
  • Logic family: CMOS D-Latch

Buy the ON Semiconductor MC74ACT138 – Reliable Digital Decode for Industrial Applications

Order the ON Semiconductor MC74ACT138 decoder today and enhance your digital system performance. Featuring high-speed CMOS technology, multiple enable inputs for seamless expansion, and active LOW outputs, this device is ideal for industrial applications requiring reliable address decoding and signal routing. Available in various packages including Pb-free options, the MC74ACT138 ensures optimal performance, durability, and compatibility with TTL signals. Purchase online now and integrate this robust solution into your high-speed digital circuits effortlessly.

Get ON Semiconductor MC74ACT138 today—built for precision and long-lasting durability, perfect for high-speed digital decoding in industrial settings.

Frequently Asked Questions

Where can I buy ONSEMI MC74ACT138DTR2G?

You can click on the BUY or RFQ button to purchase MC74ACT138DTR2G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MC74ACT138DTR2G?

You can download the MC74ACT138DTR2G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MC74ACT138DTR2G?

ONSEMI

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