LC4384B-75FN256C

Complex Programmable Logic Devices Overview

The LC4384B-75FN256C is a Complex Programmable Logic Device (CPLD) belonging to the ispMACH 4000BV family, manufactured by Lattice Semiconductor Corporation. It features 384 macrocells and 24 logic blocks, supporting up to 192 I/O pins within a 256-pin FineLine BGA package. The device operates with an internal supply voltage range of 3V to 3.6V and guarantees a maximum propagation delay of 7.5 ns. Designed for system-in-package applications, it supports in-system programmability and functions across a commercial temperature range of 0°C to 70°C.

Complex Programmable Logic Devices Feature Summary

• High-density architecture with 384 macrocells and 192 available I/Os
• System-in-package capability with non-volatile configuration memory
• In-system programmability via JTAG interface
• 7.5 ns maximum propagation delay for high-speed logic operations

Complex Programmable Logic Devices Applications

• Bus bridging and protocol conversion
• Address decoding and control logic
• Gate replacement for legacy logic circuits
• Interface adaptation between different voltage domains

Complex Programmable Logic Devices Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status as older revisions may differ. Check for obsolescence notices or last-time-buy notifications from Lattice Semiconductor. Ensure packaging matches the specified 256-FineLine BGA form factor. Validate that the suffix 'FN256' corresponds to the correct pinout and thermal characteristics required for the design.

Complex Programmable Logic Devices Selection Notes

Select this model when a high I/O count CPLD with non-volatile configuration is required. Compare against the LC4384V series if lower power consumption or extended temperature ranges are necessary. Ensure the 256-pin FBGA footprint fits the PCB layout constraints. Verify that the 3.3V operating voltage aligns with the system's power rails. Consider the 7.5 ns speed grade if timing margins are tight for synchronous designs.

Complex Programmable Logic Devices Part Context

This component is part of the ispMACH 4000BV family, which succeeded the original ispMACH 4000V series. The 'B' suffix typically denotes specific process or revision updates within the 4000BV lineup. It serves as a drop-in replacement for many legacy GAL and PAL devices while offering significantly higher density and reprogrammability. The family is known for its robust in-system programming capabilities and low standby power.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements include other members of the LC4384 family such as LC4384V-75FN256C, provided pin compatibility and electrical specifications match. Cross-reference with Lattice's official cross-reference guides for verified substitutes. Ensure any alternative maintains the same 256-pin FineLine BGA package dimensions.