The AT45DB161E is a 16-Megabit Serial DataFlash memory device from Atmel (now Microchip Technology). It communicates via a Serial Peripheral Interface (SPI) and features an architecture of 8192 pages of 256 bytes each, along with two SRAM data buffers of 256 bytes each. This memory device is commonly utilized for storing data and program code in diverse embedded systems.

Applications:

• Data Logging: Used in industrial control systems and environmental monitoring equipment to record sensor data.
• Audio Storage: Employed in audio players, voice recorders, and other devices that require the storage of audio samples.
• Image Storage: Integrated into digital cameras, embedded vision systems, and other applications needing image storage.
• Firmware Storage: Holds firmware and boot code for microcontrollers and embedded processors.
• Configuration Data Storage: Stores configuration parameters, calibration data, and other system settings.

Features:

• 16-Megabit Memory: Provides substantial storage capacity for a variety of data and code requirements.
• SPI Interface: Allows for easy interfacing with microcontrollers and other SPI-compatible devices.
• Dual SRAM Data Buffers: Enhances data transfer speeds by utilizing two SRAM buffers.
• Page Erase and Program: Enables efficient data management and manipulation.
• Low Power Consumption: Designed for low power operation, making it suitable for battery-powered applications.
• Software Data Protection: Offers software-based data protection to prevent unintentional modifications.

Benefits:

• High-Density Storage: Provides a large storage capacity in a compact footprint.
• Easy Integration: Facilitates easy integration into existing systems with a standard SPI interface.
• Fast Data Throughput: SRAM buffers ensure rapid data access and transfer rates.
• Low Power Operation: Extends battery life in portable applications.
• Reliable Data Retention: Ensures reliable data storage and retention for critical information.

Technical Specifications:

• Memory Size: 16 Megabits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.7V to 3.6V
• Clock Frequency: Up to 66 MHz
• Operating Temperature: -40°C to +85°C
• Package Type: SOIC, VSOP

Note: The AT45DB161E is marked as END-OF-LIFE. Consider using newer memory devices from Microchip or other manufacturers. Always refer to the official datasheet for precise specifications and detailed application guidance.