LC5512B-75F256C CPLD by Lattice Semiconductor | High-Density Programmable Logic Device
The LC5512B-75F256C from Lattice Semiconductor is a cutting-edge Complex Programmable Logic Device (CPLD) designed for high-performance embedded applications. With its 512-cell architecture and 9ns propagation delay, this CPLD delivers exceptional logic density and speed, making it ideal for demanding digital designs. The device is housed in a robust PBGA256 package, ensuring reliable operation in industrial environments while maintaining a compact footprint. Its low-power architecture and wide operating temperature range (-40 C to 85 C) further enhance its suitability for diverse applications, from automotive systems to IoT edge devices.
Engineers will appreciate the LC5512B-75F256C's flexible I/O structure, which supports multiple voltage standards (3.3V, 2.5V, and 1.8V) for seamless system integration. The device features advanced in-system programmability through IEEE 1149.1 JTAG interface, enabling field updates and rapid prototyping. With 256 macrocells and 12,000 usable gates, it provides ample resources for implementing complex state machines, glue logic, and interface bridging functions. The CPLD's deterministic timing and predictable performance make it particularly valuable for real-time control applications.
Key technical specifications include a 75MHz maximum operating frequency, 5V tolerant I/Os, and standby current as low as 50 A. The device utilizes Lattice's advanced 0.18 m EEPROM technology, ensuring non-volatile configuration and instant-on operation. Security features include 128-bit AES encryption for bitstream protection and multiple security fuse options. These characteristics make the LC5512B-75F256C particularly suitable for applications requiring both high reliability and intellectual property protection.
The LC5512B-75F256C finds extensive use across multiple industries. In telecommunications, it serves as a protocol converter and line card controller. Industrial applications include PLCs, motor drives, and HMI interfaces where its noise immunity and deterministic behavior are critical. Consumer electronics manufacturers utilize it for display controllers and peripheral interfaces in smart devices. Medical equipment designers value its reliability for patient monitoring systems and diagnostic tools. The CPLD's combination of features - including its 9ns pin-to-pin delay, 5ns clock-to-output time, and 4.5ns setup time - make it equally effective for both control-oriented and high-speed data path applications.
Lattice Semiconductor provides comprehensive development support for the LC5512B-75F256C through its ispLEVER Classic design software, which includes schematic entry, Verilog/VHDL synthesis, and timing-driven place-and-route tools. Reference designs and application notes cover common use cases like bus interfacing, clock management, and power sequencing. The device's popularity stems from its balanced combination of density, performance, and power efficiency - attributes that continue to make it a preferred choice for designers upgrading legacy systems or creating new implementations in the industrial 4.0 era.
