LC4128B-10T128I

Complex Programmable Logic Devices Overview

The LC4128B-10T128I is a Complex Programmable Logic Device (CPLD) from the ispMACH 4000B family by Lattice Semiconductor. It features 128 macrocells and operates with a maximum frequency of 333 MHz and a propagation delay of 2.7 ns. The device supports in-system programming via EEPROM technology and functions within a supply voltage range of 2.5 V. It is housed in a TQFP-128 package, suitable for surface mount applications across industrial temperature ranges.

Complex Programmable Logic Devices Feature Summary

• High-performance logic with 333 MHz max operating frequency and 2.7 ns propagation delay
• In-system programmability using non-volatile EEPROM memory technology
• Industrial temperature range support (-40°C to +105°C)
• 128 macrocells organized into 8 Logic Array Blocks (LABs)

Complex Programmable Logic Devices Applications

• Industrial control systems requiring high-density logic
• Address decoding and state machine implementations
• Interface bridging in embedded systems

Complex Programmable Logic Devices Part Context

This component belongs to the ispMACH 4000B series, designed as a high-density PLD solution. It serves as a successor to older GAL devices, offering greater flexibility through electronic configuration while maintaining compatibility with standard design flows for complex logic replacement.

Complex Programmable Logic Devices Replacement Considerations

Direct pin-to-pin replacements may include other variants within the LC4128 family, such as the LC4128B-10TN128I or LC4128C-10T128I, provided voltage levels and timing requirements are met. Verify specific speed grades and temperature ratings against the original design constraints.