The P25Q128L-SUH is a 128M-bit high-capacity SPI NOR Flash memory chip launched by PUYA Semiconductor. It adopts an SOP-8 (208mil) package and operates within a voltage range of 1.65V–2.0V. Specifically designed for application scenarios with stringent requirements on power consumption, space, and reliability—such as the Internet of Things (IoT), industrial control, automotive electronics, and consumer devices—it features core attributes including ultra-low power consumption, a flexible erase architecture, and high-speed data throughput, effectively meeting the dual needs of modern embedded systems for code storage and data logging.
Core Parameters of P25Q128L-SUH
Parameter Category | Specification Value |
Storage Capacity | 128M-bit (16MB) |
Interface Type | Standard SPI (supports x8 mode) |
Operating Voltage | 1.65V–2.0V |
Package Type | SOP-8 (208mil) |
Erase/Write Endurance | 100,000 cycles (typical value) |
Data Retention | 20 years (-40°C to +85°C) |
Read Speed | Up to 104MHz clock frequency |
Security Features | 3x1024-byte OTP latches, supports write protection |
Temperature Range | Industrial grade (-40°C to +85°C) |
Key Technical Advantages of P25Q128L-SUH in Embedded Systems
1. Ultra-Low Power Consumption and Wide Voltage Adaptability
The chip maintains stable operation even at a low voltage of 1.65V, with a standby current as low as 1μA—significantly extending the battery life of battery-powered devices (e.g., smart sensors, wearable devices). Its wide-voltage design is compatible with the I/O levels of various main control chips, eliminating the need for additional level-shifting circuits.
2. High-Speed Reading and eXecute-In-Place (XIP) Support
It supports a 104MHz SPI clock frequency, delivering a peak data transfer rate of 52MB/s. Equipped with eXecute-In-Place (XIP) capability, it allows the MCU to run code directly from the Flash memory, reducing system startup latency. This makes it suitable for industrial controllers with high real-time requirements.
3. Flexible Erase Mechanism and High Reliability
It offers 4KB sector erase and 32KB/64KB block erase options, optimizing the efficiency of small-data updates. The memory cell structure based on SONOS process ensures data integrity within the industrial temperature range of -40°C to +85°C, and the chip has passed partial automotive-grade certifications (e.g., AEC-Q100).
4. Hardware Security and Data Protection
It incorporates 3 independent security registers (1024 bytes each), supporting One-Time Programmable (OTP) latching—ideal for storing encryption keys or unique device identifiers (UDIs). The write-protect (WP) pin and status register latching function prevent accidental firmware tampering.
5. Compact Package and Compatibility
The SOP-8 package is compatible with mainstream hardware designs and can directly replace competitors' products of the same capacity (e.g., Winbond W25Q128), reducing hardware revision costs. Its package size is well-suited for IoT modules and portable devices with limited space.
Typical Application Scenarios
l Industrial Automation: Program storage and parameter logging for PLC controllers and frequency converters.
l Smart Home: Firmware storage and OTA update backups for Wi-Fi/Bluetooth modules.
l Automotive Electronics: Boot code storage for in-vehicle infotainment systems (automotive-grade version required).
l AIoT Devices: Non-volatile storage of sensor data and edge computing code execution.
With its 128M-bit capacity, ultra-low power consumption, and industrial-grade reliability, the PUYA P25Q128L-SUH serves as an ideal choice for code storage and data management in embedded systems. Its balanced performance, cost, and security make it particularly suitable for application scenarios requiring long-term stable operation and power sensitivity, helping customers enhance their product competitiveness.
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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