Ricoh NVRAM - Zero Counter

The Ricoh NVRAM - Zero Counter is a high-reliability non-volatile memory module designed for secure data storage and event counting in industrial embedded systems. It provides a dedicated zero counter for tracking power cycles, system resets, or tamper events, ensuring data integrity and security in critical applications.

Advantages

This NVRAM module offers robust data retention without power, typically exceeding 10 years, thanks to battery-backed SRAM technology. Its tamper detection and secure event logging features make it ideal for environments where data security and system monitoring are paramount. The module operates over a wide temperature range (-20°C to 70°C) and is compliant with CE, FCC, and RoHS standards.

Suitable for

• Industrial automation and control systems
• Embedded computing platforms
• IoT gateways and edge devices
• Security-critical applications requiring tamper-proof event logging

Key specifications

• Module Type: NVRAM Security Module
• Core Function: Secure Data Storage, Event Counting
• Counter Type: Zero Counter
• Memory Technology: Non-Volatile RAM (battery-backed SRAM)
• Memory Capacity: Typically 8KB - 64KB
• Interface: I2C / SPI
• Operating Voltage: 3.3V / 5V DC
• Operating Temperature: -20°C to 70°C
• Storage Temperature: -40°C to 85°C
• Data Retention: 10+ years (without power)
• Certifications: CE, FCC, RoHS

Recommendations

For optimal performance, ensure compatibility with your system's interface (I2C/SPI) and voltage requirements. This module is a direct replacement for Advantech embedded systems and is recommended for applications requiring secure, non-volatile storage of critical counters and configuration data.