LCMXO640C-5FT256C

The LCMXO640C-5FT256C is a MachXO family field programmable gate array (FPGA) in a 256-ball BGA package designed for commercial applications. It combines non-volatile, instant-on operation with reconfigurable FPGA-style logic, delivering 640 logic elements and up to 159 I/O to address glue logic, bus bridging, control logic and related system functions.

Built for single-chip system integration, this device supports in-field reconfiguration, sleep-mode static current reduction, and a flexible I/O buffer set compatible with a range of signaling standards while operating across a wide supply voltage range.

Key Features

• Core Logic  640 logic elements (LUT-based) for implementing glue logic, control state machines, and moderate-density FPGA functions.
• Memory  Approximately 6.1 Kbits of distributed RAM (MachXO640 family specification) for small embedded storage and distributed data buffering; no embedded block SRAM in this density point.
• I/O and Interfaces  159 programmable I/O pins with a flexible sysIO buffer supporting multiple interface standards including LVCMOS (3.3/2.5/1.8/1.5/1.2), LVTTL, PCI, LVDS, Bus-LVDS, LVPECL and RSDS.
• Non-Volatile, Instant-On  Single-chip, non-volatile configuration provides instant-on operation and removes the need for external configuration memory; supports secure designs without exposed bitstreams.
• Reconfiguration  Supports in-field reconfiguration and TransFR™ Reconfiguration (TFR) for updating SRAM-based logic while the system operates.
• Low-Power Modes  Sleep mode enables substantial static current reduction for power-sensitive applications.
• Power Supply  Operates over a supply range of 1.71 V to 3.465 V to accommodate mixed-voltage system environments.
• Package and Mounting  Surface-mount 256-ball BGA (supplier device package: 256-FTBGA, 17×17 mm; package case: 256-LBGA).
• Commercial Temperature Grade  Rated for 0 °C to 85 °C operating temperature and RoHS compliant.
• System Support  Family-level features include JTAG programmability, background non-volatile programming, and standard system-level support for boundary scan and in-system programming.

Typical Applications

• Glue Logic  Implement combinational glue logic and control paths to simplify PCB routing and reduce discrete logic components.
• Bus Bridging and Interfacing  Bridge and adapt between bus protocols or voltage domains using the device’s flexible I/O and reconfigurable logic.
• Power-Up and System Control  Manage power sequencing, reset control and startup behavior with non-volatile instant-on capability for fast system availability.
• Control Logic  Replace multiple CPLDs or small FPGAs with a single-device implementation for state machines, peripheral control, and I/O aggregation.

Unique Advantages

• Single-chip non-volatile solution: Eliminates external configuration memory and enables instant-on operation for faster system boot.
• Secure configuration: No external bitstream to intercept, supporting higher design security for embedded systems.
• High I/O-to-logic density: 159 I/Os paired with 640 logic elements simplifies board-level integration where many signals must be aggregated or translated.
• Flexible reconfiguration: TransFR™ capability and JTAG programmability allow in-field updates and background non-volatile programming.
• Broad interfacing support: Programmable sysIO buffers support a wide range of signaling standards to interface with diverse peripherals.
• Power and mounting flexibility: Wide supply voltage range and compact 256-ball BGA package support mixed-voltage designs and space-constrained boards.

Why Choose LCMXO640C-5FT256C?

The LCMXO640C-5FT256C is positioned for designers who need a compact, non-volatile FPGA that combines instant-on behavior, flexible I/O, and moderate logic density. It is well suited for replacing discrete glue logic, implementing bus adapters, and consolidating control functions into a single surface-mount package while maintaining design security and in-field reconfigurability.

With family-proven system features—such as background programming, sleep mode for static current reduction, and a versatile I/O buffer set—this MachXO device offers a practical balance of integration, configurability, and deployment-ready characteristics for commercial embedded designs.

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