LC4128B-75T100C

Complex Programmable Logic Devices Overview

The LC4128B-75T100C is a Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4000B family. 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 includes JTAG boundary scan capabilities. It utilizes a 100-pin Thin Quad Flat Package (TQFP) suitable for surface-mount applications.

Complex Programmable Logic Devices Feature Summary

• 128 Macrocells with up to 80 product terms per output
• Maximum operating frequency of 333 MHz
• In-system programmability using non-volatile EEPROM memory
• Supports 3.3V, 2.5V, and 1.8V I/O voltages

Complex Programmable Logic Devices Applications

• High-density logic replacement
• Address decoding and bus interfacing
• State machine implementation
• Protocol conversion

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'C' against official Lattice documentation to confirm commercial temperature range compliance. Ensure the package designation matches the required 100-pin TQFP footprint. Confirm RoHS status as lead-free variants exist within the same series.

Complex Programmable Logic Devices Selection Notes

Select this model for designs requiring high-speed performance up to 333 MHz with moderate logic density. Compare against the LC4128Z series if lower power consumption is prioritized over maximum speed. Verify voltage compatibility for both core and I/O interfaces.

Complex Programmable Logic Devices Part Context

This component belongs to the ispMACH 4000B family, which offers high-performance PLD capabilities. It serves as a bridge between simple GAL devices and more complex FPGAs, providing deterministic timing and ease of use for digital logic applications.

Complex Programmable Logic Devices Replacement Considerations

Direct pin-compatible replacements include other members of the LC4128 family such as LC4128B-75T100I or LC4128C-75T100C, provided temperature ratings align.