MCLogic NVRAM optimizes the performance of 5G small cell base stations.

As 5G networks deepen their coverage in indoor scenarios and vertical industries, small cells have become a key solution for filling the signal gaps of macro base stations thanks to their flexible deployment and high capacity. Modern 5G small cells generally adopt a "baseband unit + radio frequency unit + storage module" architecture, where the non-volatile storage unit is responsible for the persistent storage of configuration parameters, operation logs, and real-time data. Compared with traditional flash memory, NVRAM (Non-Volatile RAM), with its byte-level read/write capability, microsecond-level latency, and near-unlimited endurance, effectively solves the latency jitter and lifespan bottlenecks associated with frequent data updates. It ensures instant data saving and rapid recovery for base station equipment under harsh conditions such as power outages and vibrations.

Within the 5G small cell system, a 256KB capacity NVRAM acts as a critical data caching hub, demonstrating its value in three core scenarios. Firstly, in the baseband processing stage, it stores beamforming configurations and channel calibration parameters, supporting microsecond-level parameter switching to enhance multi-user MIMO efficiency. Secondly, it records the power adjustment logs and fault status of the RF unit; combined with the high endurance of NVRAM (capable of withstanding up to 10^16 write operations), it enables wear-free operation throughout the entire product lifecycle. Finally, in edge computing scenarios, it provides local session context storage for User Plane Function (UPF) offloading, reducing the signaling load on the core network. Its advantages include a 100-fold increase in write speed compared to NOR Flash, extending data retention time to several decades, and controlling the bit error rate below 10^-15 through hardware ECC error correction, meeting industrial-grade reliability requirements.

MCLogic's MC90NQ256K33S16CR-AQ is a 256KB serial interface NVRAM manufactured using 40nm process technology. It supports an SPI clock frequency of 133MHz and features a standby power consumption of only 1μA at a 1.8V operating voltage. The chip incorporates a three-level radiation-hardened design, maintaining voltage stability within ±0.1% across a temperature range of -40°C to 105°C. Key parameter comparisons highlight its competitive edge: compared to traditional EEPROM, it offers write speeds enhanced to the 100ns level and an endurance of 10^16 cycles; against MRAM, it reduces costs by 30% while maintaining compatibility with standard CMOS processes; and compared to similar NVSRAM solutions, it integrates an on-chip charge pump, eliminating the need for an external battery. In 5G small cell applications, its 4KB lockable storage area is perfectly suited for AAU beam codebook configuration, working in tandem with the built-in temperature sensor to achieve dynamic parameter calibration against temperature drift. As an official authorized agent of MCLogic, MANDU Technology provides customers with full-cycle support, from chip selection and PCB signal integrity simulation to failure analysis, including 48-hour sample delivery, customized firmware driver development, and bulk procurement supply chain assurance.

For 5G small cell equipment manufacturers, MCLogic NVRAM, with its three key characteristics of "zero-delay writing, atomic-level data security, and unlimited read/write cycles," becomes a core element in building differentiated competitiveness. Its hardware-level data persistence capability can significantly reduce base station maintenance frequency and achieve a 10x lifespan improvement in continuous operation scenarios like smart factories and smart grids. The localized technical support team from MANDU Technology further simplifies the integration process, helping customers to quickly respond to operators' increasingly stringent certification requirements for equipment reliability.

About Mandu Technology

Shenzhen Mandu Technology Co., Ltd. has steadfastly centered its operations on the distribution of high-performance, high-quality, and highly reliable integrated circuit products. Its portfolio encompasses memory chips, differential crystal oscillators, and MCU microcontrollers, while progressively integrating analog signal chain products. The company prides itself on delivering comprehensive and cost-effective solutions to its customers. Its products find applications across a broad spectrum of industries, including but not limited to network communication, industrial control, robotics, medical equipment, personal health, and numerous other fields.

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