The PA28F008SA-120 is an 8-Mbit (1MB) Flash memory device manufactured by Intel. The 'SA' likely denotes a specific feature or packaging option, and '120' indicates an access time of 120ns. It is a parallel flash memory, commonly used for storing firmware and data in embedded systems.
Applications
- Embedded Systems: Used to store firmware, boot code, and configuration data in a variety of embedded applications.
- Networking Equipment: Stores operating systems, configuration files, and boot loaders for network devices such as routers and switches.
- Industrial Control Systems: Implemented for storing program code, calibration parameters, and operating data in industrial automation controllers and PLCs.
- BIOS Storage: Used in older computer systems to store the BIOS firmware.
- Instrumentation and Measurement Equipment: Stores calibration tables, program code, and operating parameters in test and measurement devices.
Features
- 8-Mbit Density: Offers 8,388,608 bits of non-volatile storage capacity.
- 120ns Access Time: Provides a relatively fast access time for data retrieval.
- Sector Erase Architecture: Enables selective erasure of memory sectors, reducing erase time and improving flexibility.
- CMOS Technology: Utilizes CMOS technology for low power consumption.
- Byte-Wide Organization: Data is organized in bytes (8 bits), simplifying data access and manipulation.
- High Endurance: Designed to withstand a large number of program/erase cycles.
Benefits
- Non-Volatile Storage: Retains stored data even when power is removed.
- Fast Read Access: Provides quick execution of code and retrieval of data.
- Low Power Consumption: Reduces power requirements, extending battery life in portable applications.
- Flexible Memory Management: Sector erase architecture allows for efficient updating of firmware and data.
- Reliable Data Retention: Ensures long-term data storage and high reliability.
Additional Details
The PA28F008SA-120 typically operates at a supply voltage of 5V. It is commonly packaged in a DIP or PLCC package. Programming requires a specific voltage and algorithm, which are detailed in the device datasheet. The datasheet provides critical specifications such as read cycle time, write cycle time, erase cycle time, operating temperature range, and data retention characteristics. Protection mechanisms are integrated to prevent accidental erasure or programming. ESD precautions should be taken when handling the device to prevent damage. Consult the manufacturer's datasheet for complete specifications and operating guidelines.