7204L12J

Overview

The Renesas Electronics Corporation 7204L12J is an asynchronous FIFO memory device belonging to the 7204 series. It provides a storage capacity of 36K bits, organized as 4K words by 9 bits. The component supports unidirectional data transfer with a maximum data rate of 50MHz and features a typical access time of 12ns. It operates within a supply voltage range of 4.5V to 5.5V and is designed for surface-mount installation in a 32-PLCC package. The device functions reliably across an industrial temperature range of 0°C to 70°C.

Feature Summary

• Asynchronous operation enabling independent read and write clock domains
• High-speed data throughput supporting up to 50MHz data rates
• Standard CMOS technology ensuring compatibility with TTL interfaces

Applications

• Buffering data streams between components operating at different clock speeds
• Data acquisition systems requiring temporary storage before processing
• Interface bridging in high-speed digital communication networks

Procurement Notes

Verify the specific suffix designation (e.g., JG8) against official datasheets to confirm package type and compliance status. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly. Ensure the selected variant matches the required lead-free specifications for your manufacturing process. Cross-reference part numbers with manufacturer obsolescence notices to avoid supply chain disruptions.

Selection Notes

Select this component when a 4K x 9 asynchronous buffer is required for unidirectional data flow. Verify that the 12ns access time meets the system timing constraints. Ensure the 32-pin PLCC package fits the available PCB footprint. Confirm that the 4.5V to 5.5V supply voltage aligns with the target circuit design requirements.

Part Context

The 7204L12J is part of the broader 7204 family of asynchronous FIFO memories from Renesas Electronics. This family offers various speed grades and configurations to suit different performance needs. The 7204 series is widely used in applications requiring reliable data buffering and protocol conversion between asynchronous logic blocks.

Replacement Considerations

Officially documented substitutes include IDT7204L12JG8. Verify pinout compatibility and electrical characteristics before substitution.