LC4512B-5FTN256I

Complex Programmable Logic Devices Overview

The Lattice LC4512B-5FTN256I is a high-performance Complex Programmable Logic Device (CPLD) from the ispMACH 4000B family. It features 512 macrocells and supports operating frequencies up to 333 MHz with a typical propagation delay of 3.5 ns. The device utilizes a 2.5V core voltage and includes 5V-tolerant I/Os compatible with LVCMOS 3.3, LVCMOS 2.5, and PCI 3.3 standards. Packaged in a 256-pin FineLine BGA, it offers robust signal integrity for dense digital logic applications requiring low power consumption and fast turnaround times.

Complex Programmable Logic Devices Feature Summary

• 512 Macrocells with SuperFast architecture supporting up to 333 MHz operation
• Global routing architecture ensuring predictable timing and pin-to-pin performance
• In-System Programmability (ISP) via JTAG interface for flexible field updates
• 5V tolerant I/Os supporting multiple voltage standards including LVCMOS 3.3/2.5 and PCI 3.3

Complex Programmable Logic Devices Applications

• High-density bridging and protocol conversion between legacy and modern interfaces
• Complex glue logic replacement in telecommunications infrastructure equipment
• Control logic for industrial automation systems requiring deterministic timing
• Test and measurement instrumentation requiring precise signal sequencing

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'I' corresponds to the Industrial temperature range (-40°C to +85°C) as defined in the official datasheet. Confirm package dimensions match the 256-pin FineLine BGA specification. Ensure design files support the 2.5V core voltage requirements. Cross-reference the manufacturer's current lifecycle status to confirm availability for new production designs.

Complex Programmable Logic Devices Selection Notes

Select this model when system requirements exceed the capacity of smaller CPLDs but do not necessitate the complexity of an FPGA. The 512 macrocell count provides sufficient resources for moderate-to-high density logic functions. The 5V tolerant I/O capability simplifies interfacing with mixed-voltage systems without additional level shifters. Consider the FTN256 package size constraints during PCB layout planning.

Complex Programmable Logic Devices Part Context

This component belongs to the ispMACH 4000B family, which succeeded the ispLSI 2000 series. The family is characterized by its non-volatile configuration memory, allowing immediate operation upon power-up without external boot flash. The LC4512 variant represents the highest density option within the standard 4000B lineup, offering maximum logic resources in a single package.

Complex Programmable Logic Devices Replacement Considerations

Direct functional replacements include other members of the ispMACH 4000B family with equivalent or higher macrocell counts, such as the LC4512MV. Verify pin compatibility if substituting with different package options like FCBGA. Ensure thermal management solutions are adequate for the target operating environment.