LC5512B-45F256C

Complex Programmable Logic Devices Overview

The LC5512B-45F256C is a Complex Programmable Logic Device (CPLD) from the Lattice ispXPLD family. It features 512 macrocells organized into 16 Logic Array Blocks (LABs). The device supports up to 176 I/O pins and operates at a maximum frequency of 275 MHz with a propagation delay of 4.5 ns. It utilizes a 3.3 V supply voltage and is housed in a 256-pin FPBGA package. Configuration memory combines EEPROM and SRAM technologies, enabling non-volatile storage with flexible reprogramming capabilities.

Complex Programmable Logic Devices Feature Summary

• 512 macrocells with 16 LABs for high-density logic implementation
• Maximum operating frequency of 275 MHz and 4.5 ns delay time
• 176 I/O pins supporting diverse interface requirements
• EEPROM/SRAM configuration memory for instant-on operation

Complex Programmable Logic Devices Applications

• High-speed data bus bridging and protocol conversion
• System control and monitoring in industrial equipment
• Address decoding and memory interfacing
• General-purpose digital logic replacement

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'B' against official Lattice documentation to confirm pinout and electrical characteristics, as variations exist within the LC5512 series. Ensure the FPBGA-256 package matches the target PCB footprint. Confirm RoHS compliance status if required by regional regulations. Check for end-of-life notices or obsolescence warnings before finalizing procurement plans.

Complex Programmable Logic Devices Selection Notes

Select this component when 512 macrocells are sufficient for the design complexity. The 4.5 ns speed grade suits applications requiring moderate to high switching speeds. Compare against the LC5512MV variant if lower power consumption is critical, as the MV series typically offers optimized power performance. Ensure the 3.3 V I/O levels align with connected system components.

Complex Programmable Logic Devices Part Context

This part belongs to the Lattice ispXPLD family, designed for non-volatile programmable logic solutions. The LC5512B variant specifically targets applications needing robust logic density with instant-on capability. It serves as a successor to older GAL devices, offering higher integration and reprogrammability in a compact BGA package suitable for space-constrained designs.

Complex Programmable Logic Devices Replacement Considerations

Direct pin-to-pin replacements may include other LC5512 variants with compatible packages. Verify functional equivalence regarding macrocell count and I/O distribution. Cross-reference with Lattice's official compatibility matrix for guaranteed interoperability.