7205L25J

Overview

The Renesas Electronics Corporation 7205L25J is an asynchronous FIFO memory device with a storage organization of 8K x 9, providing a total capacity of 72 kbit. It operates on a single 5.0 V supply voltage and features a unidirectional data bus. The component supports a maximum clock frequency of 28.5 MHz with a typical access time of 25 ns. It is housed in a 32-pin PLCC package and includes status flags for empty, half-full, and full conditions to manage data flow.

Feature Summary

• Supports asynchronous and simultaneous read and write operations
• Includes auto-retransmit capability for pointer reset
• Utilizes Full and Empty flags to prevent overflow and underflow

Applications

• Multiprocessing systems requiring data buffering
• Rate matching applications between different speed domains
• Data acquisition systems needing temporary storage

Procurement Notes

Verify the specific suffix J against official documentation to confirm pinout and electrical characteristics. Confirm RoHS compliance status as older variants may not meet current environmental standards. Check for moisture sensitivity level requirements during handling and storage. Ensure the supplier provides valid traceability documents for this discontinued component series.

Selection Notes

Select this component when a 5V logic interface is required for 8K x 9 depth buffering. Compare against the 72V05 series if lower power consumption at 3.3V is necessary. Consider the 7206 series if double the memory density (16K x 9) is needed. Verify that the PLCC package format fits the target PCB layout constraints.

Part Context

This part belongs to the 7205 family of high-speed asynchronous FIFOs. It is functionally compatible with other members of the 720X series, allowing for design flexibility within similar system architectures. The device is designed for applications requiring reliable first-in/first-out data handling without complex control logic.

Replacement Considerations

Official substitutes include the IDT7205L25J. Cross-reference with the 72V05L25 series for 3.3V operation equivalents. Verify pin compatibility before replacing with newer generation FIFO devices.