Infineon Technologies

CY7C421-40JC

CY7C421-40JC Description

The CY7C421-40JC is a high-performance synchronous FIFO memory IC designed by Cypress Semiconductor Corp. This 512 x 18 FIFO offers a data rate of 20MHz and an access time of 40ns, making it suitable for applications requiring high-speed data buffering. The device operates within a supply voltage range of 4.5 V to 5.5 V and has a maximum supply current of 35mA. It features a retransmit capability, which enhances data integrity and reliability. The CY7C421-40JC is available in a 32-lead plastic leaded chip carrier (PLCC) package, making it ideal for surface-mount applications. It supports depth and width expansion, providing flexibility in system design. The operating temperature range is from 0°C to 70°C, ensuring robust performance in various environmental conditions.

CY7C421-40JC Features

• Synchronous Operation: The CY7C421-40JC operates synchronously, ensuring precise timing and coordination with other system components.
• High-Speed Performance: With an access time of 40ns and a data rate of 20MHz, this FIFO is designed for high-speed data transfer applications.
• Retransmit Capability: The retransmit feature enhances data integrity by allowing the FIFO to retransmit data in case of errors.
• Programmable Flags: The device supports programmable flags, providing additional control and flexibility in managing data flow.
• Expansion Options: Depth and width expansion capabilities allow for increased memory capacity and system scalability.
• Low Power Consumption: The maximum supply current of 35mA ensures efficient power usage, making it suitable for power-sensitive applications.
• Wide Operating Voltage Range: The 4.5 V to 5.5 V supply voltage range provides compatibility with various power supply configurations.
• Surface-Mount Packaging: The 32PLCC package is ideal for surface-mount applications, facilitating easy integration into modern electronic systems.

CY7C421-40JC Applications

The CY7C421-40JC is well-suited for a variety of applications that require high-speed data buffering and reliable data transfer. Some specific use cases include:

• Telecommunications: Ideal for buffering data in high-speed communication systems, ensuring smooth data flow and reducing latency.
• Data Acquisition Systems: Provides temporary storage for data samples, allowing for efficient data processing and analysis.
• Networking Equipment: Enhances the performance of routers, switches, and other networking devices by managing data queues effectively.
• Industrial Automation: Ensures reliable data transfer in industrial control systems, where precision and speed are critical.
• Consumer Electronics: Used in devices such as digital cameras and multimedia players to buffer data for smooth playback and processing.

Conclusion of CY7C421-40JC

The CY7C421-40JC is a versatile and high-performance synchronous FIFO memory IC that offers significant advantages over similar models. Its combination of high-speed operation, retransmit capability, and programmable flags makes it an ideal choice for applications requiring reliable and efficient data buffering. The device's low power consumption and wide operating voltage range further enhance its suitability for a variety of electronic systems. With its surface-mount packaging and support for depth and width expansion, the CY7C421-40JC provides designers with the flexibility needed to create robust and scalable solutions.