LC4256V-5TN100C CPLD - High-Performance Programmable Logic Device | Lattice Semiconductor
The LC4256V-5TN100C from Lattice Semiconductor represents the cutting edge of Complex Programmable Logic Device (CPLD) technology. This high-performance device combines 256 macrocells with an optimized architecture to deliver exceptional logic density and speed. With a maximum propagation delay of just 5ns and operating voltage range of 3V to 3.6V, this CPLD is engineered for applications demanding both speed and power efficiency. The 100-TQFP (14x14) package makes it particularly suitable for space-constrained designs while providing 64 I/O pins for flexible system integration.
What sets the LC4256V-5TN100C apart is its In-System Programmability (ISP) feature, allowing for field updates and configuration changes without removing the device from the circuit. This capability significantly reduces development time and costs associated with product iterations. The device's 16 logic blocks can be configured to implement complex combinational or sequential logic functions, offering designers tremendous flexibility. With an operating temperature range of 0 C to 90 C (TJ), this CPLD maintains reliable performance across various environmental conditions.
The LC4256V-5TN100C's architecture features advanced interconnect resources that enable efficient routing of signals between macrocells. Each macrocell contains programmable AND/OR arrays and configurable flip-flops, supporting both registered and combinatorial logic implementations. The device includes dedicated global clock networks with low skew distribution, ensuring synchronous operation across all logic blocks. Power management features include programmable power-down modes and selective macrocell disabling, making it ideal for battery-powered applications.
This CPLD finds extensive application in digital system design, particularly in communication interfaces, industrial control systems, and consumer electronics. Its high-speed capabilities make it suitable for implementing state machines, address decoding, bus interfacing, and data path control. The device's reliability and reprogrammability have made it popular in automotive electronics for functions like sensor interfacing and dashboard control. Designers appreciate its ability to consolidate multiple discrete logic components into a single programmable device, reducing board space and improving system reliability.
For developers working with the LC4256V-5TN100C, Lattice Semiconductor provides comprehensive development tools including the ispLEVER design environment. This software suite offers schematic entry, HDL synthesis, and simulation capabilities, along with advanced place-and-route algorithms optimized for the device architecture. The toolchain supports industry-standard design flows and includes features for timing analysis and power estimation, helping engineers create optimized implementations. With its combination of performance, flexibility, and development support, the LC4256V-5TN100C continues to be a preferred choice for programmable logic solutions in demanding applications.
