According to analysts' forecasts, the global Internet of Things (IoT) market size is expected to grow from $714.48 billion in 2024 to approximately $4 trillion by 2032. The market's steady rise at a compound annual growth rate (CAGR) of 24.3% is not only driven by technological advancements but also by continuous optimizations in IoT-related devices in terms of size, power consumption, and performance. Despite devices becoming increasingly smaller, they now offer more features and functionalities than ever before, turning previously impractical ideas into reality.
One of the key drivers behind these trends is NOR Flash, which powers devices, particularly in industrial automation and smart home applications. In these scenarios, integration of efficiency and performance becomes critical. Additionally, these applications demand resistance to high temperatures. For instance, in industrial environments, devices often operate in heat-intensive locations such as factory floors, refineries, or inside vehicles, requiring flash memory to maintain stable performance under extreme and harsh conditions.
Although IoT wearable devices have relatively lower environmental requirements, they also face challenges in thermal management. Device manufacturers often stack memory modules above heat-generating CPUs or MCUs to reduce overall device size or directly integrate new features into existing dimensions.
Broad Applications Across Multiple Markets
Winbond's newly launched W25Q RV series NOR Flash currently supports capacities ranging from 1Mb to 32Mb, with plans to introduce higher-capacity products. The RV series features low power consumption and compact packaging, while also supporting industrial-grade temperatures of up to 105°C, making it suitable for a wide range of applications:
- Industrial: Designed for harsh conditions such as high temperatures, vibrations, and exposure to chemicals, Winbond NOR Flash is ideal for industrial automation systems and control components, operating reliably in environments up to 105°C.
- Consumer Electronics: With low power consumption, it effectively extends battery life. Its compact design makes products portable and easy to use.
- Automotive: Engineered to withstand extreme temperatures and vibrations, ensuring stable operation of electronic control components in vehicles. The small package design easily adapts to tight and hard-to-reach spaces, meeting the complex layout requirements of automotive interiors.
- Computers: Low power consumption design extends battery life, ensuring devices can operate stably without frequent recharging.
- Networking: By reducing power consumption, it improves thermal performance and lowers energy costs, protecting network devices such as routers and switches.
To address various challenges, Winbond continues to innovate, introducing the latest NOR Flash—W25QxxRV. Compared to earlier NOR Flash series, the W25QxxRV offers significant improvements in performance and efficiency, utilizing the latest 58nm technology and an optimized flash memory array architecture, delivering the following advantages to customers:
- Supports industrial-grade temperatures of up to 105°C.
- 133MHz fast read speeds, enhancing XiP (eXecute in Place) capabilities with up to 20% performance improvement over previous Winbond products.
- 66MHz operating frequency, offering a 30% improvement in read speeds.
- Improved OTA firmware optimization for better performance.
- Programming time reduced by 50%, significantly lowering costs.
- Read current reduced by 25%, helping to extend battery life.
- Supports multiple package types, suitable for space-constrained consumer electronics applications.
State-of-the-Art Manufacturing Technology
The W25QxxRV series is manufactured at Winbond's 12-inch wafer fab using the company's latest 58nm technology. This series not only offers compact package options but also supports space-constrained applications through advanced packaging technologies. By integrating flash memory Known Good Die (KGD) or Wafer Level Chip Scale Packaging (WLCSP) with System-on-Chip (SoC), it achieves efficient System-in-Package (SiP) solutions.
The W25QxxRV series also features significant functional optimizations, such as increasing read speeds from 104MHz to 133MHz, reducing programming time by 50%, and lowering operating read current by 20%. XiP (eXecute in Place) can operate at higher frequencies, enabling faster system response times while consuming less energy. Additionally, faster programming speeds improve factory throughput and reduce manufacturing costs. Rapid OTA firmware updates ensure better compatibility with existing systems, minimizing potential downtime and providing users with an enhanced experience.
The W25QxxRV series supports standard single/dual/quad/QPI command and read modes, making it suitable for XiP and code shadowing RAM operations. The device operates on a single power supply of 2.7V to 3.6V, with standby power consumption as low as 1μA. At a working frequency of 104MHz, operating read current is reduced from 12mA to 10mA. The W25QxxRV series flash memory products are divided into 64KB or 32KB module architectures, further subdivided into 4KB small sectors, providing greater flexibility and efficient utilization for storing code, data, and parameters within the same device. Additionally, it supports 66MHz Double Data Rate (DDR) operation, enabling high-speed read throughput equivalent to 133MHz Single Data Rate (SDR). The read command bypass mode accelerates memory access by skipping command input cycles, achieving true XiP operation.
The Gold Standard in the NOR Flash Market
With stable operation at temperatures up to 105°C, low power consumption, and multiple package options, the W25QxxRV series flash memory is an ideal choice for industrial IoT, consumer electronics, computers, and networking applications. These fields demand high levels of stability, performance, and durability. Furthermore, the versatility of the W25QxxRV extends to emerging fields such as edge computing and AI applications, particularly in industrial and computing environments where high temperatures are common. It supports high-load applications such as AI and High-Performance Computing (HPC).
This document is reprinted from a Winbond technical article.
Technical Article - High-Performance, Low-Power, Small Form Factor W25Q RV Series Flash Memory for Next-Generation Devices - Winbond Electronics