LCMXO256C-3T100I

The LCMXO256C-3T100I is a MachXO family field programmable gate array (FPGA) offered in a 100-pin 14×14 mm package. It provides a compact, non-volatile FPGA option with 256 logic elements and up to 78 I/Os, well suited for glue logic, bus bridging, power-up control and general control logic in industrial systems.

Engineered for industrial operation, the device supports a broad supply voltage range (1.71 V to 3.465 V) and an operating temperature range of −40 °C to 100 °C, enabling robust deployment across a variety of embedded and control applications.

Key Features

• Non‑volatile, instant-on configuration Single-chip non‑volatile architecture provides immediate startup without external configuration memory and supports in-system programming.
• Logic density 256 logic elements (LUTs) provide programmable combinational and sequential logic capacity for glue logic and control tasks.
• Memory The device contains approximately 2.0 Kbits of distributed RAM and does not include embedded block SRAM (EBR) in this density point.
• I/O flexibility Up to 78 I/Os with programmable sysIO buffer support for a wide range of signaling standards (family-level support includes LVCMOS, LVTTL, PCI, LVDS, Bus‑LVDS and others).
• Power and voltage support Operates across a wide supply range (1.71 V to 3.465 V), allowing integration with multiple core and I/O voltage domains.
• Industrial temperature grade Rated for operation from −40 °C to 100 °C, suitable for industrial environments.
• Reconfiguration and programming Supports JTAG-based programming, background programming of non‑volatile memory, and in‑field reconfiguration of SRAM-based logic (TransFR reconfiguration capabilities at the family level).
• Compact package 100-pin 14×14 mm package (100-LQFP / 100-TQFP) provides a small footprint for space-constrained PCBs.

Typical Applications

• Glue Logic and System Control — Implement signal conditioning, multiplexing, and custom control functions that simplify PCB design and reduce external components.
• Bus Bridging and Interfacing — Act as protocol adapters or bus-interface logic between mixed-voltage domains and legacy or custom peripherals.
• Power-up and Reset Control — Manage power sequencing, reset distribution, and deterministic startup behavior in industrial systems.
• Embedded Control and Instrumentation — Provide deterministic control logic for instrumentation, factory automation, and industrial communication endpoints.

Unique Advantages

• Instant-on, single-chip configuration: Eliminates external configuration memory and enables fast, secure startup without a separate bitstream.
• Compact, I/O-rich package: 78 I/Os in a 100-pin 14×14 mm footprint reduce board area while preserving routing flexibility for multi-signal designs.
• Wide supply and temperature support: Broad voltage range and industrial temperature rating simplify integration across diverse embedded platforms.
• In-system programmability: JTAG programming and family-level background programming enable field updates and design iteration without board removal.
• Design tool ecosystem: Family-level support in ispLEVER design tools enables synthesis, placement and timing workflows to accelerate development.

Why Choose LCMXO256C-3T100I?

The LCMXO256C-3T100I positions itself as a practical, industrial-grade FPGA for designers who need compact, non‑volatile programmable logic with substantial I/O in a small package. Its instant-on single-chip architecture and in-system programming capability simplify system design and reduce BOM complexity for control, interfacing and power-sequencing tasks.

Backed by family-level design tool support and targeted features for glue logic and bus interfacing, this device is a strong choice for embedded/industrial engineers seeking a reliable, easily integrated programmable logic element with flexible I/O and robust environmental specifications.

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