The 39LF400A55-4C-B3K is a 4 Mbit Multi-Purpose Flash (MPF) memory device manufactured by Silicon Storage Technology, Inc. (SST). It is designed for embedded applications requiring non-volatile storage of data and code, offering a combination of fast read access, low power consumption, and high endurance.

Applications

• Embedded systems
• Microcontrollers
• Consumer electronics
• Industrial control systems
• Data logging

Features

• 4 Mbit (512 K x 8) memory array: Provides ample storage for code and data.
• SST's SuperFlash technology: Delivers high performance and reliability.
• Fast read access time: Enables quick data retrieval.
• Low power consumption: Suitable for battery-powered applications.
• High endurance: Supports a large number of program/erase cycles.

Benefits

• Non-volatile storage: Retains data even when power is removed.
• Fast system boot-up: Enables quick start-up times for embedded systems.
• Extended battery life: Reduces power consumption in portable devices.
• Robust data storage: Withstands harsh environmental conditions.
• Simplified system design: Reduces the need for external memory components.

Additional Details

The 39LF400A55-4C-B3K uses SST's SuperFlash technology, which offers a number of advantages over traditional flash memory technologies. SuperFlash utilizes a thick-oxide tunnel flash memory cell, which provides superior data retention and endurance. The device operates with a supply voltage typically ranging from 2.7V to 3.6V and offers fast read access times, often in the range of 55ns.

The device supports a number of advanced features, including block locking and protection, which can be used to protect critical data from accidental or unauthorized modification. It also offers a variety of package options to meet different application requirements. The 39LF400A55-4C-B3K is designed to operate over a wide temperature range, typically from -40°C to +85°C, making it suitable for use in harsh environments.

When designing with the 39LF400A55-4C-B3K, it is important to consider the timing requirements of the read and write operations. Also, proper decoupling capacitors should be used near the power supply pins to minimize noise and ensure stable operation. The device's datasheet provides detailed information on the device's operating characteristics and should be consulted for proper implementation.