7204L15PDG

Overview

The Renesas Electronics Corporation 7204L15PDG is an asynchronous FIFO memory device with a storage capacity of 36K bits, organized as 4K words by 9 bits. It operates on a single 5.0V supply voltage within a range of 4.5V to 5.5V and features a maximum data rate of 40MHz with a 15ns access time. The component utilizes a unidirectional bus architecture and is housed in a 28-pin PDIP package. It supports industrial operating temperatures from -40°C to +85°C and includes status flags for empty, half-full, and full conditions.

Feature Summary

• Asynchronous read and write operations allow simultaneous independent control of input and output pointers
• Retransmit capability enables resetting the read pointer to its initial position via a low pulse
• Status flags including Empty, Half-Full, and Full prevent data overflow and underflow

Applications

• Multiprocessing systems requiring data buffering between different clock domains
• Rate matching applications where data transfer speeds differ between source and destination
• Digital signal processing interfaces requiring temporary data storage

Procurement Notes

Verify RoHS compliance status as older variants may not meet current environmental standards. Confirm moisture sensitivity level handling requirements during assembly. Check for discontinuance notices or end-of-life notifications prior to final design approval. Ensure availability of compatible replacement components if production volumes require long-term sourcing stability.

Selection Notes

Select this component when a 4K x 9 word depth is required for asynchronous buffering. The 15ns access speed suits high-frequency digital interfaces. Verify that the 28-pin PDIP package fits the target PCB layout constraints. Consider power consumption limits as the maximum supply current reaches 120mA during active operation.

Part Context

This part belongs to the 7204 series of asynchronous FIFOs manufactured by Renesas Electronics. The series offers various density options and package types to support diverse memory buffering needs in industrial and commercial electronic designs.

Replacement Considerations

The 7204L12JG is listed as a similar alternative part number available from the manufacturer.