LCMXO640C-5T144C

The LCMXO640C-5T144C is a MachXO family non-volatile FPGA optimized for glue logic, bus interfacing, power-up control and general control logic tasks. It combines instant-on, single-chip non-volatile configuration with flexible programmable logic to address low- to mid-density system functions.

This device provides 640 logic elements, 113 user I/Os in a 144-pin LQFP package, and a broad supply voltage range (1.71 V to 3.465 V), making it suitable for commercial-grade embedded and system control applications that require fast startup and field reconfigurability.

Key Features

• Logic Capacity  640 logic elements (LUT-based) for implementing glue logic, control functions, and moderate combinational/sequential processing.
• Embedded/Distributed Memory  Family datasheet lists device-class distributed memory; specifically for the LCMXO640 class the family shows approximately 6.1 Kbits of distributed RAM.
• I/O and Package  113 programmable I/Os in a 144-pin LQFP (20×20 mm) surface-mount package provide broad external connectivity while maintaining an easy-to-route QFP footprint.
• Non-Volatile Instant-On  Single-chip, non-volatile configuration enables instant-on operation (powers up in microseconds) without external configuration memory.
• In-System Reconfiguration & Programming  Supports JTAG programming and background programming of non-volatile memory; family features include TransFR™ in-field reconfiguration for logic updates while the system operates.
• Flexible I/O Standards  Programmable I/O buffer supports a wide range of interface standards listed for the MachXO family, enabling diverse signaling options at the device I/Os.
• Power and Sleep Modes  Family-level sleep mode capability reduces static current significantly for lower power standby operation.
• Commercial Temperature Grade  Rated for 0 °C to 85 °C operating temperature and manufactured to RoHS-compliant standards.

Typical Applications

• Glue Logic and System Control  Implement address decoding, control sequencers, and combinational glue logic with fast startup and reprogrammability.
• Bus Bridging and Interface Conversion  Use the programmable I/Os and logic capacity to translate or bridge signals between subsystem buses and peripherals.
• Power-Up and Reset Management  Leverage instant-on behavior and non-volatile configuration for reliable power sequencing and early system bring-up control.
• Peripheral and User Interface Control  Integrate LED control, button scanning, and peripheral glue functions into a single compact device with sufficient I/O.

Unique Advantages

• Instant-On, Single-Chip Configuration: Eliminates external configuration memory and enables microsecond-level power-up for faster system availability.
• Field Reconfigurability: In-system programming and background update capability let you update logic without removing the device from the system.
• Compact, High I/O Count in QFP: 113 I/Os in a 144-LQFP package reduce board-level complexity and simplify routing for space-constrained designs.
• Flexible Signaling: Programmable I/O buffers support a broad set of signaling standards, enabling reuse across multiple interfaces and platforms.
• Commercial-Grade Robustness: Rated for 0 °C to 85 °C with RoHS-compliant packaging to meet common commercial embedded application requirements.

Why Choose LCMXO640C-5T144C?

The LCMXO640C-5T144C positions itself as a practical, field-reconfigurable solution for designers needing instant-on, non-volatile FPGA functionality with moderate logic capacity and a high pin count in a standard QFP package. It is well suited for developers focused on board-level integration, interface bridging, and control logic where fast startup and in-system updates reduce system complexity and support agile product development.

Backed by the MachXO family architecture and programming options, this device delivers a balance of programmability, I/O flexibility and commercial-grade operation for embedded and system-control designs that require reliable, reprogrammable logic without external configuration components.

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