72245LB25JI

Overview

The Renesas Electronics Corporation 72245LB25JI is a synchronous First-In, First-Out (FIFO) memory device with a capacity of 4K x 18 bits. It operates within a supply voltage range of 4.5 V to 5.5 V and features an access time of 15 ns with a data rate of 40 MHz. The component is housed in a 68-PLCC package and supports unidirectional data transfer.

Feature Summary

• Synchronous FIFO architecture with clocked read and write controls for reliable data buffering
• High-speed operation supporting up to 40 MHz data rates
• Wide input/output word width of 18 bits

Applications

• Data buffering in high-speed digital systems
• Interface bridging between asynchronous logic domains
• Memory expansion in embedded processing applications

Procurement Notes

Verify component authenticity through authorized channels as the part is obsolete. Confirm RoHS compliance status and moisture sensitivity level prior to assembly. Check for valid datasheets and EOL notices to ensure design continuity.

Selection Notes

Select this component for applications requiring 18-bit wide synchronous buffering. Ensure voltage requirements match the 4.5 V to 5.5 V operating range. Consider the PLCC-68 package constraints for PCB layout and thermal management.

Part Context

Part of the 72245 series synchronous FIFO family from Renesas. Designed for general-purpose data storage and flow control in digital circuits. Shares functional characteristics with other members of the 722x5 series.

Replacement Considerations

Consult official documentation for confirmed substitute part numbers. Verify pin compatibility and electrical specifications before transitioning to alternative components.