LCMXO256C-3TN100I: Low-power MachXO CPLD, ideal for control applications and integrated interfaces

August 26, 2025
LCMXO256C-3TN100I

When designing cost-effective, reliable, and low-power programmable solutions, the Lattice MachXO series is a reliable choice for engineers. As a member of this series, the LCMXO256C-3TN100I offers 256 macro cells, in-system programmability, and broad I/O support, all in a compact TQFP package.

At DRex Electronics,
we support original equipment manufacturers and manufacturers by providing advanced and traditional programmable devices such as the LCMXO256C-3TN100I, ensuring fast delivery, reliable purchasing, and long-term supply chain stability.

 

What is the LCMXO256C-3TN100I?

The LCMXO256C-3TN100I is a low-power, non-volatile CPLD designed for control logic, interface bridging, and system management applications. Based on Lattice’s flash-based MachXO architecture, it offers instant configuration, in-system reprogramming, and multi-voltage I/O compatibility, making it an ideal choice for compact and industrial designs.

This device belongs to the first generation of the MachXO series and is primarily intended for price-sensitive applications that require deterministic logic, reliability, and flexible connectivity.

 

Technical specifications of LCMXO256C-3TN100I

Feature Description
Manufacturer Lattice Semiconductor

Part Number LCMXO256C-3TN100I
Product Series MachXO
Large Cells/Lookup Tables (LUT) 256
Embedded Random Access Memory (EBR) 2 kB
Input/Output Pins Up to 74
Package 100-pin TQFP
Speed -3 (high performance)
Core voltage 1.8 V
Input/output voltage support 1.2 V / 1.5 V / 1.8 V / 2.5 V / 3.3 V
Configuration type Flash-based, non-rewritable
Operating temperature range Industrial (-40 °C to +85 °C)

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Key features

⚡ Non-erasable flash memory

Ensures immediate operation without the need for external configuration memory.

🔄 In-system programmability (ISP)

Supports field updates and faster development cycles.

🔋 Low power consumption

Optimized for battery-powered and energy-sensitive devices.

🧩 Flexible input/output standards

Supports multiple system interfaces, including LVCMOS, LVTTL, LVDS, and PCI.

✅ Industrial-grade reliability

Wide operating temperature range makes it suitable for demanding industrial and automotive environments.

 

LCMXO256C-3TN100I Applications

The LCMXO256C-3TN100I is suitable for industries where cost efficiency, critical time limits, and integrated programming are important:

📡 Communications and networks

Used in network converters, interfaces, and connection logic.

⚙️ Industrial automation

Operation of programmable control units, robots, and system monitoring units that require precise timing.

🚗 Automotive systems

Support for in-vehicle information and entertainment systems, body systems, and diagnostic systems where instantaneous operation is critical.

🛠 Consumer electronics and embedded electronics

Used in custom bonding logic, display interfaces, and I/O extensions in price-sensitive products.

 

Why choose DRex Electronics to purchase LCMXO256C-3TN100I?

At DRex Electronics,
we offer strategic purchasing services for semiconductors (including FPGAs, CPLDs, and microcontrollers). Our services include:

📦 Supply of current, legacy, and hard-to-find integrated circuits

🌍 ISO 9001-certified logistics network

⚡ Competitive prices and fast delivery

🏆 Professional support for original equipment manufacturers and manufacturers

🔗 View the complete FPGA and CPLD product catalog

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External resources

We recommend the following resources for engineers and developers:

📘 MachXO Series Overview – Lattice Semiconductor

📘 LCMXO256C Datasheet – Lattice Semiconductor

🧠 CPLD vs. FPGA: Choosing the Right Device – All About Circuits

 

Conclusion

The LCMXO256C-3TN100I is a cost-effective and energy-efficient CPLD with instant-on, in-system programmability, and flexible I/O support. It is ideal for telecommunications, industrial equipment, automotive, and embedded electronic devices that require reliable and deterministic logic.

Looking for a reliable supplier of LCMXO256C-3TN100I or alternative CPLD/FPGA solutions?
👉 Request a quote from DRex Electronics today.