LCMXO640E-3T100I

The LCMXO640E-3T100I is a MachXO family Field Programmable Gate Array (FPGA) in a 100‑pin LQFP package, designed for instant-on, single-chip system control and glue-logic applications. It combines non-volatile configuration with a dense logic fabric and flexible I/O to address bus interfacing, control logic, power‑up sequencing and other embedded system tasks.

Key architectural highlights for this device include 640 logic elements implemented across 80 configurable logic blocks (CLBs), support for up to 74 I/Os in the 100‑pin package, an industrial operating temperature range and RoHS‑compliant packaging.

Key Features

• Logic Capacity  640 logic elements implemented across 80 configurable logic blocks (CLBs) to support glue logic, state machines and control paths.
• I/O Density  Up to 74 I/Os in the 100‑pin LQFP package, enabling broad connectivity for bus bridging and peripheral interfacing.
• Non‑volatile, Instant‑On Configuration  MachXO family devices provide single‑chip, non‑volatile configuration for immediate start-up without external configuration memory.
• In‑field Reconfiguration  Family features include reconfigurable SRAM logic and background programming—allowing updates while systems remain operational.
• Memory  Family documentation identifies distributed RAM resources appropriate to the LCMXO640 class (refer to the MachXO family datasheet for distribution details).
• Voltage and Power  Device core supply specified at 1.14–1.26 V; family devices support multiple I/O voltage standards per datasheet guidance.
• Industrial Temperature Grade  Specified operating range of −40 °C to 100 °C for reliable operation in industrial environments.
• Package  100‑pin LQFP (100‑TQFP, 14 × 14 mm) surface‑mount package for compact PCB layouts and established assembly flows.
• Standards and Compliance  RoHS‑compliant packaging; family-level support includes boundary scan and in‑system programming mechanisms per the datasheet.

Typical Applications

• Glue Logic and System Control  Implement combinatorial and sequential glue logic between subsystems, power sequencing control and general-purpose control paths.
• Bus Bridging and Protocol Translation  Provide interface logic for bridging buses and adapting peripheral interfaces where flexible I/O mapping is required.
• User Interface and Control Panels  Handle control sequences, debounce and display or button scanning tasks with compact, non‑volatile FPGA logic.
• Industrial Automation  Use in industrial control modules that require an industrial temperature range and deterministic, reconfigurable logic functions.

Unique Advantages

• Instant‑on, single‑chip solution: Non‑volatile configuration eliminates external configuration memory and enables rapid startup.
• Flexible I/O in a compact package: Up to 74 I/Os in a 100‑pin LQFP package simplifies board routing while providing ample peripheral connectivity.
• In‑field programmability: Background programming and reconfigurable SRAM logic support iterative updates and feature evolution without full system downtime.
• Industrial reliability: Specified −40 °C to 100 °C operating range and RoHS compliance address common industrial deployment requirements.
• Scalable member of a family: Part of the MachXO family, enabling migration options within the same architecture and design tool flow.

Why Choose LCMXO640E-3T100I?

The LCMXO640E-3T100I places non‑volatile, reconfigurable logic into a compact 100‑pin LQFP package, delivering 640 logic elements and up to 74 I/Os for versatile embedded control and interface applications. Its combination of instant‑on configuration, in‑field update capability and industrial temperature range makes it well suited for designs that require reliable start-up behavior and the ability to evolve functionality in the field.

This device is a practical choice for engineers seeking a single‑chip solution to reduce BOM count and simplify system design while retaining the flexibility to update logic post‑deployment. For teams targeting bus bridging, control logic, user interface handling or industrial automation modules, the LCMXO640E-3T100I provides an accessible MachXO family option backed by documented family-level features and design tool support.

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