LC4256B-75FT256BC

Complex Programmable Logic Devices Overview

The LC4256B-75FT256BC is a Complex Programmable Logic Device (CPLD) belonging to the ispMACH 4000B family, manufactured by Lattice Semiconductor. It features 256 macrocells organized within 16 Logic Array Blocks (LABs). The device supports System In-Programmability (SIP) and operates with an internal supply voltage range of 2.3V to 2.7V. It offers a maximum propagation delay of 7.5ns and provides 160 I/O pins. The component is housed in a 256-pin Low-profile Ball Grid Array (LBGA) package suitable for surface mount technology. It complies with RoHS standards and has a Moisture Sensitivity Level (MSL) of 3.

Complex Programmable Logic Devices Feature Summary

• High-density logic architecture with 256 macrocells and 16 LABs
• System In-Programmability (SIP) capability for flexible updates
• Fast switching speed with 7.5ns maximum propagation delay
• RoHS compliant construction with MSL 3 rating

Complex Programmable Logic Devices Applications

• Industrial control systems requiring high I/O counts
• Communication interface bridging and protocol conversion
• General-purpose programmable logic replacement for legacy PLDs

Complex Programmable Logic Devices Part Context

This component is part of the ispMACH 4000B series, designed as a drop-in replacement for older GAL and PAL devices while offering significantly higher density. The 'B' suffix typically denotes specific process or feature enhancements within the 4000B family compared to earlier iterations like the LC4256V. It serves as a mid-range CPLD solution balancing performance and pin count.