72255LA15PF8

Overview

The Renesas Electronics Corporation 72255LA15PF8 is a synchronous FIFO memory IC providing 144K bits of storage capacity, organized as 8K words by 18 bits. It operates with a maximum data rate of 66.7MHz and features an access time of 10ns. The device supports unidirectional bus direction and includes programmable flag support. It functions within a supply voltage range of 4V to 5.5V and is housed in a 64-TQFP package measuring 14x14mm.

Feature Summary

• Synchronous operation with clocked read and write controls
• Programmable status flags for buffer management
• SuperSync architecture for high-speed data buffering

Applications

• High-speed data buffering between asynchronous systems
• Interface bridging in communication protocols
• Data acquisition system temporary storage

Procurement Notes

Verify component authenticity through authorized channels due to obsolete status. Confirm package integrity and moisture sensitivity handling requirements before installation. Check for alternative packages or compatible successors from the manufacturer's portfolio. Ensure compliance with current environmental regulations regarding end-of-life products.

Selection Notes

Select this component for applications requiring reliable synchronous buffering with 18-bit word width. Consider the 64-TQFP footprint for PCB layout constraints. Evaluate power consumption specifications against system thermal limits. Verify timing compatibility with host controllers operating at similar clock speeds.

Part Context

This part belongs to the 72255 series of SuperSync FIFOs. It represents a specific variant within Renesas' memory logic portfolio designed for high-performance data handling. The series is characterized by its synchronous interface and programmable control features.

Replacement Considerations

Consult official documentation for direct substitutes. Potential alternatives may include updated series members with identical pinouts or functional equivalents from other manufacturers. Verify electrical characteristics match original specifications.