LCMXO640C-4T100C

The LCMXO640C-4T100C is a MachXO family field programmable gate array (FPGA) in a 100-pin LQFP surface-mount package. The device provides 640 logic elements and 74 I/O pins in a compact 14 × 14 mm 100-TQFP footprint, targeted for glue logic, bus interfacing and control functions in commercial-grade applications.

Built on the MachXO architecture, the device offers non-volatile, instant-on operation with single-chip configuration and features designed for flexible I/O interfacing, low-power standby, and in-field reconfiguration for system-level adaptability.

Key Features

• Core Logic  640 logic elements for implementing combinational and sequential glue logic, state machines and control functions.
• I/O Capacity  74 programmable I/Os supporting a wide range of interface connections in a single package.
• Non-Volatile Instant-On  Single-chip, non-volatile configuration enables instant-on behavior without external configuration memory and supports secure configuration handling.
• Reconfiguration and Sleep Mode  Supports in-field reconfiguration and TransFR™ reconfiguration for updates while the system operates; sleep mode enables substantial static current reduction for low-power standby.
• Memory (Series Capability)  MachXO family devices support distributed embedded memory; the LCMXO640 family-level specification indicates distributed RAM capacity appropriate for small buffering and state storage.
• Voltage Supply  Operates across a wide supply range of 1.71 V to 3.465 V to accommodate multiple system rails.
• Package and Mounting  100-LQFP (100-TQFP, 14 × 14 mm) surface-mount package for compact PCB integration.
• Commercial Grade and Environmental  Commercial temperature range (0 °C to 85 °C) and RoHS-compliant packaging for standard electronic product deployment.
• System-Level Support  Family-level features include JTAG programmability, background programming of non-volatile memory, and support for common programmable I/O standards.

Typical Applications

• Glue Logic and Board-Level Control  Implement address decoding, bus arbitration, power sequencing, and board glue logic with compact FPGA resources.
• Bus Bridging and Interface Conversion  Bridge disparate interfaces and manage protocol handoff using flexible I/O and programmable logic.
• Power-Up and Reset Control  Control power sequencing, reset distribution, and system supervision leveraging single-chip instant-on configuration.
• Embedded Control and State Machines  Replace discrete logic with programmable state machines for device control, monitoring, and simple signal processing.

Unique Advantages

• Instant-On, Single-Chip Configuration  Eliminates the need for external configuration memory and enables rapid system start-up and secure configuration handling.
• Compact, High I/O Density  74 I/Os in a 100-pin LQFP package allow robust interfacing while minimizing PCB footprint.
• Flexible Power Support  Broad supply voltage range (1.71 V to 3.465 V) helps integration with multiple system power rails.
• Low-Power Standby  Sleep mode capability reduces static current draw for energy-conscious designs.
• Commercial Deployment Ready  Commercial temperature range (0 °C to 85 °C) and RoHS compliance support standard electronic product lifecycles.
• In-Field Reconfigurability  TransFR™ and background programming features enable logic updates and memory programming without full system downtime.

Why Choose LCMXO640C-4T100C?

The LCMXO640C-4T100C positions itself as a compact, non-volatile FPGA solution for designers needing reliable glue logic, interface bridging, and control functionality in commercial applications. Its 640 logic elements and 74 I/Os deliver the right balance of density and I/O connectivity in a 100-LQFP surface-mount package, while family-level MachXO features—such as instant-on configuration, sleep mode, and in-field reconfiguration—add system flexibility and reduced BOM complexity.

Choose this device when you need a single-chip, RoHS-compliant FPGA that simplifies board-level integration, speeds up power-up behavior, and supports iterative in-field updates for long-term product adaptability.

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