Overview
The Xicor X2212PI is a nonvolatile static RAM memory chip engineered for demanding industrial and embedded control applications. This integrated circuit combines the speed of static RAM with the data retention capability of nonvolatile memory, eliminating the need for constant power to preserve critical system configurations and operational data. The X2212PI is widely used in PLC backup memory, legacy industrial controllers, and embedded instrumentation where reliable, persistent storage is essential.
Key Features
- Nonvolatile memory retention—data persists without power supply
- Electrically erasable for dynamic data updates and programming
- Fast access times typical of static RAM technology
- Proven reliability in industrial control and embedded systems
- Compatible with legacy and modern industrial automation platforms
Technical Specifications
- Memory Type: Nonvolatile Static RAM (NVRAM)
- Manufacturer: Xicor Inc.
- Package Type: DIP (Dual Inline Package)
- Data Retention: Permanent without external power
- Erasure Method: Electrically erasable
- Primary Applications: PLC backup, embedded controllers, data logging
Typical Applications
The X2212PI is commonly deployed in:
- Programmable Logic Controllers (PLCs): Backup memory for system configurations, ladder logic, and critical process parameters in Allen-Bradley, Siemens, and other industrial platforms
- Legacy Industrial Computers: Data storage in older CNC, DNC, and process control systems requiring nonvolatile memory
- Embedded Instrumentation: Configuration and calibration data in test equipment, analyzers, and diagnostic devices
- System Boot and Firmware Storage: Secure retention of bootloader code and critical initialization routines
Compatibility & Replacements
Compatible With
- Allen-Bradley PLC backup memory modules
- Siemens industrial controllers and control systems
- Mitsubishi programmable controllers
- Omron automation platforms
- GE Fanuc legacy CNC and industrial computers
- Custom embedded systems and industrial instrumentation
Replaces / Drop-In Replacement For
- X2212 (standard variant)
- X2212D (CDIP-18 variant)
- X2212A (alternate speed grade)
- X2212P (plastic DIP variant)
- X2212/10 (speed-rated variant)
Works With
- Static RAM and NVRAM socket-compatible designs
- Legacy microcontroller and microprocessor systems
- Industrial automation backup power supplies and supercapacitor circuits
- Embedded firmware and bootloader systems requiring persistent storage
