LC4256B-5T100I

Complex Programmable Logic Devices Overview

The LC4256B-5T100I is a Complex Programmable Logic Device (CPLD) belonging to the ispMACH 4000B family, manufactured by Lattice Semiconductor Corporation. It features 256 macrocells organized into 16 Logic Array Blocks (LABs) and provides 64 I/O pins. The device operates at a supply voltage of 3.3 V with a maximum propagation delay of 5 ns and a maximum operating frequency of 322 MHz. It is housed in a TQFP-100 surface-mount package and supports an industrial temperature range from -40°C to +85°C.

Complex Programmable Logic Devices Feature Summary

• ispMACH 4000B architecture with 256 macrocells and 16 LABs
• High-speed performance with 5 ns max propagation delay
• 64 user-accessible I/O pins in a TQFP-100 package
• Industrial temperature range (-40°C to +85°C)

Complex Programmable Logic Devices Applications

• Interface bridging between different logic families
• Address decoding and control logic generation
• State machine implementation for system control

Complex Programmable Logic Devices Part Context

This component is part of the ispMACH 4000B series, which succeeded the earlier ispMACH 4000V family. While the LC4256V variant is widely documented, the LC4256B represents a subsequent generation within the same logical density class, maintaining similar pin counts and macrocell structures while potentially offering updated process technology characteristics.