
LC4512B-35F256C CPLD | 512-Cell High-Speed Programmable Logic Device by Lattice Semiconductor
The LC4512B-35F256C from Lattice Semiconductor Corporation is a cutting-edge Complex Programmable Logic Device (CPLD) designed for high-speed digital applications. With 512 logic cells and a blistering 3.5ns propagation delay, this IC delivers exceptional performance for real-time processing tasks. Packaged in a robust PBGA256 format, it combines density with reliability, making it suitable for demanding environments. The device operates on industry-standard voltages and supports surface-mount assembly, streamlining integration into modern PCB designs. Its electrically erasable (EE) technology allows for repeated reprogramming, enabling rapid prototyping and field updates.
Engineers will appreciate the LC4512B-35F256C's architectural efficiency. The 512-cell structure provides ample resources for implementing state machines, glue logic, and interface bridging while maintaining deterministic timing. The 3.5ns speed grade ensures seamless operation in high-frequency systems, outperforming many competing CPLDs in its class. Lattice's proven in-system programmability (ISP) features allow configuration through JTAG interfaces, reducing development overhead. Thermal characteristics of the PBGA package enable reliable operation even in thermally challenging applications like industrial controls or base station equipment.
Key technical specifications include 5V tolerant I/Os for mixed-voltage system compatibility and low-power standby modes for power-sensitive designs. The device incorporates advanced macrocell architecture with programmable flip-flops and buried feedback paths for optimal resource utilization. Security features include bitstream encryption to protect intellectual property. With typical power consumption below 150mA at full operation, it balances performance with energy efficiency better than FPGA alternatives for medium-complexity designs.
The LC4512B-35F256C excels in telecommunications infrastructure (protocol conversion, line card control), industrial automation (PLC I/O expansion, motor control timing), and consumer electronics (display controllers, peripheral interfacing). Its combination of speed, density, and package reliability makes it particularly valuable for applications requiring deterministic latency, such as automotive sensor fusion or medical instrumentation. The active product status guarantees long-term availability with full manufacturer support.
For design teams needing a proven programmable logic solution, the LC4512B-35F256C offers an optimal balance of performance and flexibility. Lattice provides comprehensive development tools including the ispLEVER design suite with synthesis and simulation capabilities. Reference designs and application notes help accelerate time-to-market. Available through authorized distributors with volume pricing options, this CPLD represents a cost-effective alternative to full-scale FPGAs for many embedded control applications.