QS72211-20JR

FIFOs Memory Overview

The QS72211-20JR is a synchronous FIFO memory integrated circuit manufactured by Quality Semiconductor. It features a memory organization of 512 words by 9 bits, providing a total capacity of 4608 bits. The device supports parallel data transfer with a maximum access time of 12 nanoseconds. It operates within a supply voltage range of 4.5 V to 5.5 V and is designed for reliable performance across an industrial temperature range from -55 °C to +125 °C.

FIFOs Memory Feature Summary

• Synchronous operation with dedicated clock input for precise timing control
• Parallel interface supporting 9-bit wide data transfers
• Robust thermal stability suitable for high-temperature environments

FIFOs Memory Applications

• Data buffering in high-speed digital communication systems
• Interface bridging between components operating at different clock speeds
• Temporary storage in embedded processing architectures

FIFOs Memory Procurement Notes

Verify the manufacturer designation as Quality Semiconductor on all documentation. Confirm the specific suffix 'JR' corresponds to the required package and temperature grade. Ensure datasheets explicitly list the 12 ns access time and 512x9 organization. Cross-reference part numbers against official manufacturer catalogs to avoid counterfeit or obsolete variants.

FIFOs Memory Selection Notes

Select this component when synchronous FIFO functionality is required with a 9-bit data width. The 12 ns speed rating suits applications needing moderate-to-high throughput. Verify that the operating environment falls within the specified -55 °C to +125 °C range. Ensure system power supplies align with the 4.5 V to 5.5 V operational limits.

FIFOs Memory Part Context

This part belongs to the QS722xx series of synchronous FIFOs from Quality Semiconductor. These devices are CMOS-based memories designed for parallel data handling. The series typically offers various access times and organizations to fit different bandwidth requirements in digital logic designs.

FIFOs Memory Replacement Considerations

Consult official manufacturer substitution guides for verified equivalents. Generic asynchronous FIFOs are not direct replacements due to differing control protocols. Verify pin compatibility and electrical specifications before considering alternative sources.