LCMXO640C-5TN144C

The LCMXO640C-5TN144C is a MachXO-family field programmable gate array (FPGA) offered in a 144-pin LQFP/TQFP package. It combines non-volatile, instant-on logic with flexible I/O and moderate logic density to address glue-logic, bus interfacing, power-up control and general control logic tasks in commercial applications.

Built for compact board-level integration, this surface-mount device provides 640 logic elements and up to 113 I/Os, operating across a broad supply range and a commercial temperature window to support a variety of embedded system designs.

Key Features

• Logic Capacity  640 logic elements (LUT-based) suitable for glue logic and mid-density control functions.
• Logic Structure  80 logic clusters (per product specification) for structured placement and routing of logic resources.
• I/O  113 available I/Os in the 144-pin package to support multiple board-level interfaces and peripheral connections.
• Memory  Approximately 6.1 Kbits of distributed RAM (MachXO family specification for LCMXO640 devices); no embedded block SRAM (EBR) blocks in this device.
• Non-Volatile, Instant-On  Single-chip non-volatile configuration enables immediate startup without external configuration memory and supports secure single-chip deployment.
• In-Field Reconfiguration  Family-level support for reconfiguration and background programming via JTAG enables updates while in the field (TransFR™ reconfiguration capability referenced in family datasheet).
• Power and Sleep  Operates from a supply range of 1.71 V to 3.465 V and includes family-level sleep-mode features to reduce static current.
• Package & Mounting  144-pin LQFP package (supplier lists 144-TQFP, 20×20 mm) in a surface-mount form factor for standard PCB assembly.
• Commercial Grade  Specified for 0 °C to 85 °C operation to meet commercial embedded system requirements.
• Standards & Toolchain  MachXO family devices support standard design flows and JTAG programming methods as documented in the family datasheet.

Typical Applications

• Glue Logic and Bus Interfacing  Use as board-level glue logic to implement protocol bridging, bus buffering and interface adaptation between system components.
• Power-Up and Reset Control  Implement controlled sequencing, reset distribution and power-up logic without external configuration memories.
• Peripheral and Sensor Control  Drive and coordinate peripherals or sensor arrays using the device’s available I/O and mid-range logic capacity.
• System Control and State Machines  Replace discrete logic and small CPLDs with an integrated programmable solution for control-state machines and timing logic.

Unique Advantages

• Instant-on, Single-Chip Configuration: Eliminates external configuration memory and enables immediate device startup.
• Flexible I/O Count: 113 I/Os in the 144-pin package allow consolidation of multiple interface signals on a single device.
• Compact Surface-Mount Package: 144-LQFP/TQFP packaging supports dense PCB layouts while remaining compatible with standard assembly processes.
• Field Update Capability: Family-level support for in-field reconfiguration and JTAG programming simplifies firmware updates and lifecycle maintenance.
• Commercial Temperature and Wide VCC Range: Operates from 1.71 V to 3.465 V and over a 0 °C to 85 °C range to suit typical commercial embedded designs.

Why Choose LCMXO640C-5TN144C?

The LCMXO640C-5TN144C positions itself as a compact, non-volatile FPGA for designers needing instant-on programmable logic, a healthy I/O count and mid-range logic capacity in a standard 144-pin surface-mount package. Its combination of 640 logic elements, roughly 6.1 Kbits of distributed RAM (family data for LCMXO640), and single-chip configuration reduces BOM complexity and board-level design overhead.

This device is suited for engineers implementing glue logic, interface bridging, power sequencing and control-state applications who require predictable commercial-grade operation and the ability to update logic in the field via JTAG-based methods.

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