LCMXO640E-5FT256C

The LCMXO640E-5FT256C is a MachXO family FPGA optimized for glue logic, bus bridging, bus interfacing, power-up control and general control logic. It combines non-volatile configuration with LUT-based logic to provide instant-on single-chip programmability and secure, reconfigurable logic.

With approximately 640 logic elements and up to 159 I/Os in a 256-ball BGA package, this surface-mount device delivers a high I/O-to-logic-density footprint suited for compact embedded and interface applications. Key operational parameters include a core supply range of 1.14 V to 1.26 V and a commercial operating temperature of 0 °C to 85 °C.

Key Features

• Core Logic  Approximately 640 logic elements arranged across 80 logic CLBs for flexible LUT-based implementation.
• Memory  Approximately 6.1 Kbits of distributed RAM (MachXO family value) with no embedded block SRAM for this density point.
• I/O and Package  Up to 159 programmable I/Os in a 256-ball ftBGA package (17×17 mm); surface-mount package case suitable for compact PCBs.
• Non-volatile, Instant-On Configuration  Single-chip non-volatile configuration enables microsecond power-up and eliminates the need for external configuration memory.
• In-field Reconfiguration  TransFR™ reconfiguration support for in-field logic updates while the system operates; background programming of non-volatile memory is supported via JTAG.
• Flexible I/O Standards  MachXO family programmable sysIO buffer supports a wide range of interfaces and I/O voltages, enabling multiple signaling options at the board level.
• Low Power Modes  Sleep mode capability provides significant static current reduction (up to 100× as specified for the family).
• System Integration  Includes support for boundary-scan (IEEE 1149.1), onboard oscillator, and IEEE 1532 compliant in-system programming.
• Supply and Temperature  Core supply: 1.14 V to 1.26 V; commercial operating range: 0 °C to 85 °C. RoHS compliant.

Typical Applications

• Glue Logic  Implement board-level glue and control functions to replace discrete logic, reducing BOM and routing complexity.
• Bus Bridging and Interfacing  Bridge and translate between bus protocols and signal standards using the device’s flexible I/O and high pin count.
• Power-Up and System Control  Manage system power sequencing, reset logic and supervisory control with instant-on non-volatile configuration.
• Control Logic  Implement deterministic control and sequencing logic for embedded systems that benefit from fast start-up and secure configuration.

Unique Advantages

• Single-Chip, Non-Volatile Configuration: Eliminates external configuration memory and enables microsecond startup for latency-sensitive systems.
• High I/O-to-Logic Density: 159 I/Os paired with approximately 640 logic elements in a 256-ball BGA reduces board area while retaining connectivity.
• Field Update Capability: TransFR reconfiguration and background programming allow live firmware updates without full system downtime.
• Low-Power Operation: Sleep mode offers dramatically reduced static current for power-sensitive designs.
• Design Tool Support: MachXO family devices are supported by ispLEVER design tools for synthesis, place-and-route and timing verification.

Why Choose LCMXO640E-5FT256C?

The LCMXO640E-5FT256C positions itself as a compact, non-volatile FPGA option for designers who need instant-on behavior, flexible I/O, and in-field update capability in a commercial-grade device. Its combination of approximately 640 logic elements, up to 159 I/Os and 256-ball BGA packaging makes it suitable for space-constrained embedded and interface applications.

Supported by MachXO family system features—such as programmable I/O buffers, boundary-scan, and ispLEVER tool compatibility—this part offers a pragmatic balance of integration, configurability and predictable electrical characteristics for production designs requiring secure, single-chip configuration.

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