72245LB25PFI

Overview

The Renesas Electronics Corporation 72245LB25PFI is a synchronous FIFO memory device with a storage capacity of 4K x 18 bits. It operates at a data rate of 40MHz and features an access time of 15ns. The component supports unidirectional bus direction and is powered by a voltage range of 4.5V to 5.5V, with a maximum supply current of 60mA. It is housed in a 68-pin PLCC package and functions within an industrial temperature range of -40°C to +85°C.

Feature Summary

• Synchronous first-in, first-out memory architecture for data buffering
• Supports single-clock or dual-clock asynchronous operation modes
• Includes programmable almost-empty and almost-full flags

Applications

• Optical disk controllers
• Local Area Networks (LANs)
• Interprocessor communication systems

Procurement Notes

Verify component authenticity through authorized channels as this part is discontinued. Confirm package integrity and moisture sensitivity handling procedures prior to installation. Review official end-of-life documentation for transition guidance and substitute part recommendations to ensure long-term system reliability.

Selection Notes

Select this component for applications requiring 18-bit wide synchronous data buffering with specific timing constraints. Ensure the design accommodates the 68-pin PLCC footprint and 4.5V to 5.5V power supply requirements. Consider the 40MHz operational speed when evaluating system throughput needs against alternative available devices.

Part Context

This device belongs to the 72245 series of synchronous FIFO memories manufactured by Renesas Electronics. It serves as a specialized memory interface solution designed for high-speed data transfer between components operating at different clock domains or speeds within embedded systems.

Replacement Considerations

The 72V245L10PFG is listed as an upgrade alternative. Verify compatibility regarding voltage levels, pin configurations, and functional specifications before substitution.