Quality Semiconductor

QS7201-20V

QS7201-20V Description

The QS7201-20V is an asynchronous FIFO memory IC designed by Quality Semiconductor. This integrated circuit offers a memory size of 4.5K bits, organized as 512 words by 9 bits. It operates with an access time of 20ns and supports a data rate of 33MHz. The QS7201-20V is designed for surface mount applications and is housed in a bulk package. It operates within a supply voltage range of 4.5V to 5.5V and has a maximum supply current of 60mA. The operating temperature range is from 0°C to 70°C. This FIFO IC supports retransmit capability but does not support First Word Fall Through (FWFT) or programmable flags. It is classified under ECCN EAR99 and is compliant with ROHS3 standards. The QS7201-20V is ideal for applications requiring depth and width expansion. Although the product is now obsolete, its technical specifications and performance benefits make it a notable choice for specific legacy systems.

QS7201-20V Features

• Memory Size: 4.5K bits (512 x 9), providing ample storage for data buffering.
• Access Time: 20ns, ensuring rapid data retrieval and high-speed performance.
• Data Rate: 33MHz, supporting high-speed data transfer.
• Supply Voltage: 4.5V to 5.5V, offering flexibility in power supply requirements.
• Supply Current: Maximum of 60mA, ensuring efficient power usage.
• Operating Temperature: 0°C to 70°C, suitable for a wide range of environmental conditions.
• Mounting Type: Surface mount, ideal for compact and modern PCB designs.
• Package Type: Bulk, facilitating easy handling and integration.
• Retransmit Capability: Yes, enhancing data integrity and reliability.
• Expansion Type: Supports both depth and width expansion, providing versatile system design options.
• ROHS3 Compliant: Ensuring environmental sustainability and regulatory compliance.

QS7201-20V Applications

The QS7201-20V is particularly well-suited for applications that require efficient data buffering and high-speed data transfer. Its asynchronous FIFO architecture makes it ideal for bridging data between systems with different clock rates. Specific use cases include:

• Telecommunications: Buffering data in communication systems to manage data flow between different network components.
• Computer Systems: Enhancing data transfer rates and improving system performance in legacy computer systems.
• Industrial Automation: Managing data flow in industrial control systems where high-speed and reliable data transfer are crucial.
• Data Acquisition Systems: Buffering data in real-time data acquisition systems to ensure no data loss during high-speed sampling.

Conclusion of QS7201-20V

The QS7201-20V is a robust asynchronous FIFO memory IC that offers significant performance benefits, especially in applications requiring high-speed data transfer and efficient data buffering. Despite its obsolescence, its technical specifications and features make it a reliable choice for specific legacy systems. The support for retransmit capability and expansion options further enhance its versatility. For designers and engineers working with legacy systems or requiring specific FIFO functionality, the QS7201-20V remains a viable and valuable component.