Introducing the Basics of FORESEE 512Mb SPI NAND Flash

Facilitating the Development Process

512Mb SPI NAND Flash is simplifying the life of developers by providing an efficient and stable storage facility than the NOR flash. This storage medium is perfect for some applications requiring storage beyond 512Mb with an SPI specification. Developers prefer NOR solutions when the storage requirement is up to 128 Mb, integrating the higher NOR solution beyond 512 Mb can be challenging for embedded developers. Acknowledging this development need, FORESEE has launched the SPI NAND solutions having 512Mb capacity to ease the process of development for designers. This type of solution uses a serial peripheral interface (SPI) to communicate with a host. SPI NAND is similar to standard NAND Flash, but with a few key differences. It is typically faster and uses less power than standard NAND memory units. Serial flash solutions are widely utilized in many smart applications such as smart speakers, and home IPC. The reason for its popularity is its power effectiveness and space-saving feature, utilizing only fewer numbers of pins than other solutions.

SPI Interface

SPI is a synchronous serial peripheral interface specification used for short-distance communication, primarily in embedded systems. SPI devices communicate in full duplex mode using a simplex communication interface which means that data can be sent and received at the same time. SPI devices can operate in both master mode and slave mode. FORESEE SPI products are supporting the SPI interface such as standard SPI, dual SPI, and quad SPI serial interfaces.

Basics of 512Mb SPI NAND Flash

The constant demand for innovative memory components is emphasizing the memory manufacturers to launch memory unit that facilitates the development of the complex application. FORESEE is following the market beat by developing the SPI solution adhering to the industry standards. The idea of introducing the 512Mb flash is to offer a more precise memory unit to consumers than the 256Mb SPI NOR versions. This NAND version provides enhanced capacity than NOR and is fulfilling the needs of complex applications which don't require 1Gb capacity. It is a perfect in-between capacity solution for saving the main circuit board space and enhancing the longevity of an application. It is providing a high level of power efficiency because it utilizes only 1.8V of power. This unit is designed to be compatible with various modes such as standard SPI, and dual and quad SPI modes, compiling the market-standard JEDEC specification. It is made to provide SPI load frequencies up to 104 MHz, guaranteeing a high performance than SPI NOR fixtures. Furthermore, four Input/output transmission protocols are used, providing a much faster transmission speed. For a fast random access rate, it is designed with a 2K byte cache which in turn promotes smooth operation.

Correcting errors in certain memory areas and to manage this function FORESEE family has introduced the 1-bit ECC circuitry that actively finds error locations and does a job of bad block management. Compared to traditional NOR fixtures, FORESEE NAND fixtures provide double capacity and sustainability.

Key Specification

· Featuring the 512Mb capacity

· WSON8 packaging (8*6*0.8 mm)

· Supported high-performance protocols such as Standard, Dual, and Quad serial interfaces

· Operating Voltage 1.8VCC

· Has 2K+64 byte Page size

· 20K byte OTP area

· Providing excellent endurance up to 100K cycles

· Supported the Low Power Standby Mode

· Has the capability of 10 years of data retention

· Industry-standard operating temperature range within -40°C-85°C

· Providing 104Mhz SPI clock frequencies

· Modern NAND processes: ECC and Standby Mode

Tough Testing Control System Ensures the Reliability

The product performance and stability are ensured by the Longsys R&D strict testing mechanism. The memory chip tests, stability tests, and other categories of tests are designed by Longsys intelligent R&D team. Longsys in-house automatic test equipment is determining the quality of each product, promising premium-quality memory units. Each memory solution undergoes a series of 50 major categories of tests which include durability and aging tests, sudden memory chip testing, power failure tests, temperature tests, performance tests, etc.

Introducing the 20K Byte OTP Area for High Data Security

Achieving high data security is the primary goal of a memory chip and recognizing this goal, FORESEE has introduced the widest OTP area of 20K byte which provide a large room for securely managing and handling the data in this room without the intervention of the unauthorized user. This is a one-time programmable area where data can't be deleted; with the unique ID access, it is now easy to attain software encryption.

Versatile Applications

The serial peripheral interface product line has all the features that match the requirements of many smart applications including miniature handheld systems. It is utilizing the modern WSON8 packaging which utilizes only 8 pin counts. Because of this packaging, this chip is 80% smaller than other packaging such as TSOP which has 20mm×12mm size specification. The premium specifications of this product rate it as an industry-leading product, powering up a wide range of applications such as:

· Wi-Fi Router

· PON systems

· Video Doorbell

· Industrial and Home IPC systems

· Smart Speakers and STB

· DVD

· Intelligent control systems, etc.

Conclusion

IoT applications, automobile applications, electronics, and the mobile industry are major users of embedded memory solutions. To manage the increasing data of smart applications, these solutions are designed to provide innovative features and enhanced capacity. This led towards the manufacturing of greater density embedded solutions and many manufacturing companies are already working to launch innovative solutions quicker to the market. To provide high-end solutions, Longsys is constantly innovating and improving products and services to meet the ever-changing needs of the market. It is focused to provide effective products and services to its customers locally and globally. This aim is achieved by the utilization of cutting-edge memory circuits, new firmware designs, premium semiconductor materials, and smart development technologies.