LC4384B-5F256C

Complex Programmable Logic Devices Overview

The LC4384B-5F256C is a Complex Programmable Logic Device (CPLD) belonging to the ispMACH 4000V family, manufactured by Lattice Semiconductor Corporation. It features 24 logic blocks and 384 macrocells, providing 192 I/O pins for system connectivity. The device operates within a supply voltage range of 3.0 V to 3.6 V and supports System In-Programmability (ISP). With a maximum propagation delay of 5 ns, it is designed for high-speed digital logic applications. The component is housed in a 256-pin FineLine BGA package with dimensions of 17x17 mm.

Complex Programmable Logic Devices Feature Summary

• High-density architecture with 384 macrocells and 192 I/Os
• Fast switching speed with 5 ns maximum propagation delay
• Supports System In-Programmability for flexible field updates
• Wide operating temperature range from -40°C to +85°C

Complex Programmable Logic Devices Applications

• High-speed interface bridging and protocol conversion
• Complex glue logic replacement in industrial control systems
• Address decoding and bus buffering in embedded systems
• State machine implementation for automated machinery

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'B' against current manufacturer documentation, as availability may vary due to product lifecycle status. Confirm RoHS compliance requirements, noting that older revisions of this family may not meet current environmental standards. Ensure the 256-FTBGA footprint matches the target PCB design constraints before procurement.

Complex Programmable Logic Devices Selection Notes

Select the LC4384B variant over the 'V' series if a faster 5 ns timing specification is required for critical path delays. Compare pin counts and macrocell density against alternative CPLDs to ensure sufficient logic resources for the intended design complexity without excessive overhead.

Complex Programmable Logic Devices Part Context

This component is part of the ispMACH 4000V family, which succeeded earlier generations like the ispMACH 4000AE. It offers enhanced performance and density compared to legacy devices while maintaining compatibility with standard JEDEC voltage levels. The family is known for non-volatile configuration, eliminating the need for external configuration memory.

Complex Programmable Logic Devices Replacement Considerations

Direct pin-to-pin replacements are limited due to the specific 5 ns speed grade and 384 macrocell count. Evaluate the LC4384V-5F256C for functional equivalence if the slower 7.5 ns speed is acceptable. Check for newer Lattice CPLD families such as MachXO or CertusPro-NX for modern alternatives with improved power efficiency.