LC4256C-5F256BC

Complex Programmable Logic Devices Overview

The LC4256C-5F256BC is a Complex Programmable Logic Device (CPLD) from Lattice Semiconductor's ispMACH 4000 family. It features 256 macrocells, 16 logic blocks, and 192 I/Os in a 256-pin FineLine BGA package. The device operates at supply voltages between 3V and 3.6V with a maximum propagation delay of 5ns. It supports system-in-programmability and functions within a junction temperature range of 0°C to 90°C.

Complex Programmable Logic Devices Feature Summary

• High-density architecture with 256 macrocells and 192 I/Os
• System-in-programmable capability for flexible updates
• Fast performance with 5ns maximum propagation delay
• Wide operating voltage range of 3V to 3.6V

Complex Programmable Logic Devices Applications

• High-speed interface bridging
• Address/data buffering
• Protocol conversion logic

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'BC' against official Lattice documentation to confirm the exact package variant and commercial grade specifications. Ensure compatibility with existing board footprints for the 256-pin FineLine BGA configuration before procurement.

Complex Programmable Logic Devices Selection Notes

Select this component when high pin counts and fast switching speeds are required in a CPLD form factor. Compare against the LC4256V series if lower power consumption or extended temperature ranges are necessary for the target application environment.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4000V family, designed for cost-sensitive applications requiring moderate logic density. It serves as a successor to older GAL and PAL devices, offering reprogrammability and higher integration levels for digital control tasks.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements include other members of the LC4256 family such as LC4256V-5FN256I for industrial temperature grades. Verify pinout compatibility and electrical characteristics when substituting with similar density CPLDs from Lattice or other vendors.