The SST28SF040A-90-4I-NH is a 4 Mbit Serial Flash memory device manufactured by Silicon Storage Technology (SST). It utilizes SST's SuperFlash technology, offering a combination of high performance, low power consumption, and high reliability. The device features a Serial Peripheral Interface (SPI) for easy integration with microcontrollers and microprocessors.

Applications

• Data storage: Used for storing configuration data, parameters, and other non-volatile data in embedded systems.
• Code storage: Suitable for storing program code and firmware in microcontrollers and microprocessors.
• Consumer electronics: Employed in various consumer electronic devices, such as set-top boxes, digital cameras, and MP3 players.
• Industrial applications: Used in industrial control systems and automation equipment.
• Networking equipment: Suitable for storing firmware and configuration data in routers, switches, and other networking devices.

Features

• 4 Mbit density: Provides 4 Mbit of non-volatile storage.
• SPI interface: Offers a standard SPI interface for easy communication with microcontrollers.
• 90 ns access time: Provides fast read access to stored data.
• Low power consumption: Minimizes power consumption for battery-powered applications.
• Small package: Available in a compact package for space-constrained applications.
• Endurance: Offers high endurance, capable of withstanding a large number of program/erase cycles.

Benefits

• High performance: Enables fast data access and efficient system operation.
• Low power: Reduces power consumption, extending battery life in portable devices.
• Easy integration: SPI interface simplifies integration with microcontrollers.
• Reliable storage: SuperFlash technology ensures high data retention and reliability.

Additional Details

The SST28SF040A-90-4I-NH operates at 3.0 V and is available in various temperature ranges, including industrial grade. The device supports various SPI modes, including SPI modes 0 and 3. It also features a deep power-down mode to further reduce power consumption when the device is not in use. The device is commonly used in applications requiring a small, low-power, and reliable non-volatile memory solution. Its SPI interface and fast access time make it a suitable choice for many embedded systems applications.