32 MBIT (2MB X16) LOW VOLTAGE UV EPROM AND OTP EPROM The M27V322-100B1 is a 32 Mbit (4M x 8-bit) 3.3V Parallel NOR Flash memory manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Density:** 32 Mbit (4M x 8-bit)
- **Supply Voltage:** 3.3V ± 10%
- **Access Time:** 100 ns
- **Operating Temperature Range:** -40°C to +85°C (Industrial)
- **Package:** PLCC32 (Plastic Leaded Chip Carrier)
- **Interface:** Parallel (8-bit data bus)
- **Sector Architecture:** Uniform 64 KB sectors (64 sectors total)
- **Endurance:** 100,000 write/erase cycles per sector
- **Data Retention:** 20 years
### **Descriptions:**
- The M27V322-100B1 is a high-performance NOR Flash memory designed for embedded systems requiring fast read operations and reliable non-volatile storage.
- It supports both random and sequential read operations, making it suitable for code execution (XIP - Execute In Place).
- The device features a uniform sector architecture, simplifying memory management.
### **Features:**
- **Low Power Consumption:**
- Active read current: 20 mA (typical)
- Standby current: 100 µA (typical)
- **Fast Read Operations:**
- 100 ns access time
- **Reliable Data Storage:**
- Built-in error correction and wear-leveling support (external management required).
- **Hardware and Software Protection:**
- Block locking to prevent accidental writes/erases.
- Password protection for secure operations.
- **Compatibility:**
- JEDEC-standard command set for easy integration.
- Compatible with industry-standard parallel NOR Flash interfaces.
This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and timing diagrams, refer to the official STMicroelectronics datasheet.
