LC4256V-10TN144I CPLD - High-Performance Programmable Logic Device by Lattice Semiconductor
The LC4256V-10TN144I from Lattice Semiconductor represents the pinnacle of Complex Programmable Logic Device (CPLD) technology, offering engineers unparalleled flexibility and performance in digital design. As part of the renowned ispMACH 4000V family, this 3.3V CPLD features an advanced architecture with 256 macrocells organized into 16 logic blocks, delivering the perfect balance between capacity and speed. With its impressive 10ns propagation delay and 96 I/O pins in a compact 144-TQFP package, this device excels in applications requiring high-speed logic integration and substantial I/O connectivity. The in-system programmability (ISP) feature allows for field upgrades and design iterations without physical device removal, significantly reducing development time and costs.
Engineers will appreciate the LC4256V-10TN144I's robust operating characteristics, including a wide temperature range of -40 C to 105 C (TJ) and a 3.0V to 3.6V internal supply voltage. These specifications make it particularly suitable for demanding environments such as industrial automation, automotive systems, and outdoor telecommunications equipment. The device's 144-LQFP package (20x20mm) offers excellent thermal performance and mechanical stability, while the surface-mount design facilitates high-density PCB layouts. With 16 functional logic blocks and a sophisticated routing architecture, this CPLD can implement complex state machines, bus interfaces, and glue logic with exceptional efficiency.
From a technical perspective, the LC4256V-10TN144I stands out with its innovative power management features and enhanced I/O capabilities. The device supports multiple I/O standards including LVCMOS 3.3V/2.5V and LVTTL, ensuring compatibility with various system components. Its deterministic timing model guarantees consistent performance across temperature and voltage variations, critical for mission-critical applications. The integrated JTAG port simplifies system debugging and programming, while the high drive strength (24mA) enables direct interfacing with memories, processors, and peripheral devices without additional buffering.
The LC4256V-10TN144I finds ideal applications across multiple industries including industrial control systems (PLC, motor control), automotive electronics (body control modules, sensor interfaces), telecommunications (network switching, protocol conversion), and consumer electronics (gaming systems, display controllers). Its combination of high density (256 macrocells), fast performance (10ns tpd), and flexible I/O configuration makes it particularly valuable for implementing interface bridging, data path control, and system management functions. Designers can leverage Lattice's comprehensive development tools including ispLEVER Classic design software for rapid prototyping and verification.
As an active product in Lattice Semiconductor's portfolio, the LC4256V-10TN144I benefits from ongoing technical support and guaranteed long-term availability. When compared to competing CPLDs in its class, it offers superior power efficiency (typical standby current < 100 A) and better performance-per-logic element ratio. For engineers seeking a reliable, field-proven programmable logic solution with the right mix of capacity, speed, and features, the LC4256V-10TN144I represents an outstanding choice that continues to set industry standards for CPLD technology.
