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Product Overview

The LCMXO2-7000HC-4TG144I is a low-power programmable logic device (PLD) of the MachXO2 series launched by Lattice Semiconductor of the United States. It has a capacity of 7000 logic units (LUTs) and supports both high-speed operation and low-power standby. It is an FPGA solution specifically optimized for modern embedded applications, interface bridging and power management logic.

A list of key parameters

Project Details

• Product series: MachXO2
• Model LCMXO2-7000HC-4TG144I
• Logical capacity: 6864 LUT4 units (officially marked as 7000)
• Embedded memory 240 Kbits (EBR)
• Packaging form: TQFP-144 (Plastic packaging)
• The number of IO pins is as high as 113
• Four global clock networks for clock resources
• Operating voltage: 2.5V (core), 3.3V/2.5V/1.8V (I/O compatible)
• Temperature range: -40°C to +100°C (industrial grade)

Ultra-low power consumption design, supporting Sleep Mode upon power failure.
Speed grade -4 (Medium speed grade)

Core characteristics

• ✅ Up to 113 I/O ports, with high flexibility and compatibility with multiple voltage standards
• ✅ Low power architecture for portable and battery-powered systems
• ✅ Embedded Flash configuration memory starts without external EEPROM
• ✅ Abundant interface resources support (SPI, I²C, I/O buffer control, LED driver, etc)
• ✅ Hardware updatable (In-system programming, ISP)
• ✅ supports Lattice Diamond and Radiant design tools

Typical application scenarios

The LCMXO2-7000HC-4TG144I is highly suitable for the following applications due to its low power consumption and rich logic resource characteristics:

• 🧠 Control and co-processing of embedded microcontrol systems
• 🔌 Interface bridge circuit (such as MIPI, USB, LVDS, I2C conversion, etc)
• 📊 Industrial control, PLC sub-module logic customization
• 🔄 Power management status logic control
• 📶 Sensor signal integration and logic processing
• 🎮 Configurable control logic in consumer electronics (such as display controllers, keyboard scan, etc.)

Packaging form and pin diagram

This device is packaged in TQFP-144, which is convenient for through-hole /SMT soldering and has good thermal management performance and wiring capability. The packaging shape is relatively common and is suitable for the design of small and medium-sized control boards.

Compatibility and equivalent model recommendations

Model description

The enhanced version of LCMXO2-7000HE-4TG144I with the same capacity and low power consumption
The LCMXO2-640HC-4TG144I version with a slightly smaller logical capacity (640 LUT4) is suitable for cost optimization
The upgraded version of the MachXO3 series, LCMXO3LF-6900C-5BG256C, offers higher speed and greater resources
XC2C256-7TQG144C (Xilinx) CPLD products of similar capacity are used for lightweight logic implementation

Design Considerations

• ⚠️ The power pin needs to be properly configured with 2.5V core power supply, and it needs to be confirmed that IO supports 3.3V or other voltage standards
• 💡 should be designed to make full use of its in-chip Flash for non-volatile configuration to simplify external storage costs
• 🧰 Use Lattice Diamond tool for constraint file writing and routing resource management
• 🔧 Online programming and debugging via JTAG or SPI is recommended

Summary

The LCMXO2-7000HC-4TG144I is a powerful and extremely low-power small and medium-sized FPGA, which can be widely applied in fields such as interface conversion, logic control and embedded signal processing. Its abundant number of IO and powerful configuration options provide flexible and cost-effective solutions for industrial control, consumer electronics and communication equipment.
Whether you need to replace CPLD or carry out multi-protocol bridging design, this MachXO2 device is up to the task. For developers, it is not only a good transitional choice for upgrading projects, but also the preferred solution for mass-produced logic devices.
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