IS43DR86400C-25DBLI

Memory IC Overview

The IS43DR86400C-25DBLI is a 512Mb DDR2 SDRAM manufactured by ISSI. It features a 64M x 8 organization and operates at a maximum clock frequency of 400 MHz (DDR2-800). The device utilizes a 60-ball BGA package measuring 8mm x 10.5mm. Electrical specifications include a supply voltage range of 1.7V to 1.9V for VDD, VDDL, and VDDQ. Timing parameters for the -25D speed grade specify a cycle time of 2.5ns at CAS latency 5.

Memory IC Feature Summary

• Supports double data rate interface with two data transfers per clock cycle
• Includes on-die termination and programmable CAS latencies
• Features differential data strobes and a 4-bit prefetch architecture

Memory IC Applications

• High-speed memory systems requiring DDR2 compatibility
• Industrial applications operating within extended temperature ranges
• Automotive electronics utilizing A1 or A2 automotive grades

Memory IC Procurement Notes

Verify the specific speed grade suffix against the required timing parameters. Confirm that the package dimensions match the design footprint. Ensure power supply voltages remain within the specified 1.7V to 1.9V range during operation. Check for moisture sensitivity levels if reflow soldering is planned.

Memory IC Selection Notes

Select this component when a 512Mb density with an 8-bit bus width is required. Consider the -25D speed grade for high-frequency operations up to 400MHz. Evaluate thermal resistance values if the application involves high ambient temperatures or limited airflow conditions.

Memory IC Part Context

This part belongs to the IS43/46DR86400C series of DDR2 DRAMs. It shares architectural similarities with other ISSI DDR2 devices but differs in organization and package type. The series supports various speed grades and temperature ranges to accommodate diverse system requirements.

Memory IC Replacement Considerations

IS43DR86400D-25DBLI: Offers similar electrical characteristics with potentially different industrial temperature ratings.