LC5256MV-4F256C

Complex Programmable Logic Devices Overview

The LC5256MV-4F256C is an EE PLD from the ispXPLD 5000MX family, featuring 256 macrocells and a PBGA256 package. It supports in-system programming via IEEE 1532 and offers up to 193 I/Os with 4.0 ns pin-to-pin delay and 300 MHz fMAX. The device operates at 3.3V, includes two sysCLOCK PLLs, and provides flexible memory modes including SRAM, FIFO, and CAM within its Multi-Function Blocks.

Complex Programmable Logic Devices Feature Summary

• 256 Macrocells with Flexible Multi-Function Block (MFB) architecture
• Up to 193 I/Os with sysIO interfaces supporting LVCMOS 3.3V
• In-System Programmability via IEEE 1532 interface
• Two sysCLOCK PLLs for timing control

Complex Programmable Logic Devices Applications

• High-speed logic interfacing
• Protocol conversion
• Memory buffering

Complex Programmable Logic Devices Procurement Notes

Verify current product status as PCN #09-10 indicates discontinuation for select devices in this datasheet. Confirm availability through authorized distributors or check for active status on manufacturer websites before procurement.

Complex Programmable Logic Devices Selection Notes

Select based on required I/O count (up to 193), speed grade (4.0ns delay), and voltage level (3.3V). Ensure design tools support ispXPLD 5000MX family features like MFB configuration and PLL usage.

Complex Programmable Logic Devices Part Context

Part of the ispXPLD 5000MX family, which extends SuperWIDE ispMACH 5000 architecture with expanded memory capabilities. Offers deterministic timing and low power consumption compared to previous generations.

Complex Programmable Logic Devices Replacement Considerations

Check for equivalent density and performance in newer Lattice families such as MachXO or CrossLink series if discontinued units are unavailable. Verify pinout compatibility and feature set alignment.

Complex Programmable Logic Devices FAQ

What is the maximum operating frequency?

The maximum operating frequency (fMAX) is 300 MHz.

How many Multi-Function Blocks does it contain?

It contains 8 Multi-Function Blocks (MFBs).

Is it in-system programmable?

Yes, it supports in-system programming via the IEEE 1532 interface.