The SST29EE020-90-4C-PH is a 2 Mbit (256K x 8) CMOS flash memory device manufactured by Silicon Storage Technology, Inc. (SST). This memory is designed for high-performance, low-power applications requiring non-volatile storage.

Applications

• Embedded Systems
• Industrial Control Equipment
• Consumer Electronics
• Data Loggers
• Portable Devices
• Networking Equipment

Features

• 2 Mbit (256K x 8) Organization: Provides a capacity of 2 megabits organized as 256 kilobytes by 8 bits.
• CMOS Technology: Low power consumption.
• Single Voltage Operation: Simplifies system design.
• Fast Read Access Time: Enables quick data retrieval.
• Sector Erase: Allows selective erasing of memory blocks.
• Endurance: High number of erase/write cycles.
• Small Package: Available in compact surface-mount packages.

Benefits

• Non-Volatile Storage: Data is retained even when power is removed.
• Low Power Consumption: Extends battery life in portable applications.
• Fast Read Operations: Improves system performance.
• Flexible Erase Options: Allows for efficient memory management.
• High Reliability: Ensures data integrity over a wide range of operating conditions.

Additional Details

The SST29EE020-90-4C-PH typically operates from a single 5V power supply. The '90' in the part number likely refers to the access time (90ns). The '4C' and 'PH' suffixes are likely package and temperature range designators, respectively. The device features sector erase capability, allowing for selective erasure of memory blocks, as opposed to erasing the entire chip. It uses a command sequence to initiate erase and write operations. Key parameters to consider include read access time, erase time, write time, supply current (both active and standby), and operating temperature range. Consult the SST datasheet for complete electrical characteristics, timing diagrams, and recommended operating conditions. Flash memory is commonly used for storing firmware, configuration data, and user data in a wide variety of electronic devices.