LC4512B-5FTN256C

Complex Programmable Logic Devices Overview

The LC4512B-5FTN256C is a Complex Programmable Logic Device (CPLD) belonging to the Lattice ispMACH 4000B family. It integrates 512 macrocells and supports up to 208 I/Os within a 256-pin FineLine BGA package. The device features a maximum propagation delay of 5 ns and operates with a core voltage range of 1.65 V to 1.95 V. Designed for in-system programmability via JTAG, it offers high-density logic capabilities suitable for complex digital control applications requiring low power consumption and fast performance.

Complex Programmable Logic Devices Feature Summary

• Integrates 512 macrocells for high-density logic implementation
• Supports up to 208 user I/Os with 5V tolerant interfaces
• Maximum propagation delay of 5 ns for superfast performance
• In-system programmable via JTAG interface

Complex Programmable Logic Devices Applications

• High-speed data acquisition systems
• Complex bus bridging and protocol conversion
• Industrial control logic and automation
• Telecommunications interface management

Complex Programmable Logic Devices Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix 'B' denotes the correct speed grade and voltage variant for your design requirements. Check for obsolescence status as older CPLD families may have limited long-term supply availability.

Complex Programmable Logic Devices Selection Notes

Select this model when designs require 512 macrocells and over 200 I/Os in a compact BGA footprint. Ensure the system accommodates the 1.65V–1.95V core voltage while maintaining 5V I/O compatibility if interfacing with legacy components. Compare against the LC4512C series for potential updates in packaging or speed grades.

Complex Programmable Logic Devices Part Context

This part belongs to the Lattice ispMACH 4000B family, which succeeded the earlier ispLSI 2000 series. It combines the architecture of previous generations with improved low-power features and higher density. The 4000B series is designed for applications needing reliable, non-volatile logic with flexible I/O standards.

Complex Programmable Logic Devices Replacement Considerations

Direct pin-to-pin replacements within the same package may include other variants from the LC4512B series with different speed grades (e.g., -7). Cross-family migration to LC4512C or LC4512Z requires schematic review due to potential differences in I/O structures and power requirements.