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ONSEMI MM74HC138MX Line Decoder

The MM74HC138 is a high-speed 3-to-8 line decoder utilizing advanced silicon-gate CMOS technology, ideal for memory address decoding and data routing. It features high noise immunity, low power consumption, and speeds comparable to low power Schottky TTL logic. Equipped with three binary select inputs and multiple enable options, it can drive 10 low power TTL loads. Available in various packages, this decoder provides fast propagation delays of around 20 ns and operates within a wide power supply range of 2V to 6V, suitable for compact digital systems.

Authorized Distributors
Source:Newark
Part No:MM74HC138MX
Stock:75
Inv Date:06-10-2026
Price: Unit price: $0.453
Buy/RFQ:
Source:DigiKey
Part No:MM74HC138MX
Stock:673
Inv Date:06-10-2026
Price: Unit price: $0.44
Buy/RFQ:
Source:DigiKey
Part No:MM74HC138MX
Stock:1474
Inv Date:06-10-2026
Price: Unit price: $0.28
Buy/RFQ:
Part No:MM74HC138MX
Stock:6249
Inv Date:06-11-2026
Price: Unit price: $0.44
Buy/RFQ:
Part No:MM74HC138MX
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.2744
Buy/RFQ:
Part No:MM74HC138MX
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.2744
Buy/RFQ:
Part No:MM74HC138MX
Stock:5000
Inv Date:06-10-2026
Price: Unit price: $0.121
Buy/RFQ:

ONSEMI MM74HC138MX Line Decoder Specifications:

  • Supply Voltage: 2V-6V
  • Propagation Delay: 20 ns
  • Input Current: 1 μA maximum
  • Output Drive: 10 low power Schottky TTL loads
  • Power Dissipation: 600 mW at 6V
  • Operating Temperature Range: -40°C to +85°C
  • Package Options: DIP, SOP, TSSOP, SOIC
  • Pin Count: 16

Buy the Fairchild Series MM74HC138 3-to-8 Line Decoder: MM74HC138MX

Order the Fairchild MM74HC138MX online now to enhance your digital circuit designs. This high-speed, low power decoder supports multiple packages and drives TTL loads efficiently. Its fast response time of 20 ns and wide voltage range make it ideal for memory address decoding, data routing, and digital systems requiring reliable, high-performance decoding solutions. Purchase today to enjoy quick delivery and integrate this versatile decoder into your project for optimal performance and durability.

Get Fairchild MM74HC138MX today—built for high-speed address decoding with low power consumption and versatile packaging options.

Frequently Asked Questions

Where can I buy ONSEMI MM74HC138MX?

You can click on the BUY or RFQ button to purchase MM74HC138MX from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MM74HC138MX?

You can download the MM74HC138MX datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MM74HC138MX?

ONSEMI

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