AT45DB041D-SU

The AT45DB041D-SU is a serial flash memory device from Adesto Technologies, designed for data storage applications. It features a 4-megabit capacity, organized as 2,048 pages of 264 bytes each. This device uses a Serial Peripheral Interface (SPI) for communication, supporting data transfer speeds up to 66 MHz, allowing for efficient data read/write operations.
Key features of the AT45DB041D-SU include dual and quad input/output modes for faster data rates, a built-in 256-byte SRAM data buffer for improved write performance, and advanced security measures like sector locking to protect important data. It also includes Automatic Address Increment (AAI) for streamlined page programming.
The memory is ideal for applications requiring reliable and flexible data storage, such as consumer electronics, industrial automation, and embedded systems. Its low power consumption and wide voltage range (2.5V to 3.6V) make it suitable for battery-operated devices. The device is available in a small 8-pin SOIC package, making it easy to integrate into space-constrained designs.

The AT45DB041D-SU is a 4Mb DataFlash memory chip by Adesto Technologies (formerly Atmel). Equivalent products include:
1. Winbond W25Q40EW - A 4Mb serial flash memory.
2. Macronix MX25L4006E - A 4Mb serial flash memory.
3. Microchip SST25VF040B - A 4Mb serial flash memory.
4. ISSI IS25LP040D - A 4Mb serial flash memory.
These chips offer similar storage capacities and operate with SPI interfaces, making them suitable substitutes in applications requiring 4Mb serial flash memory.

The AT45DB041D-SU is a 4-megabit (512K x 8) SPI serial data Flash memory designed for a wide range of storage applications. Key features include:
1. Memory Architecture: Organized into 2048 pages of 264 bytes each, with additional features for optimized read and write operations.
2. Interface: Supports a fast SPI serial interface with clock speeds up to 66 MHz, making it suitable for high-speed data transfers.
3. Dual-Voltage Operation: Operates at dual voltage levels ranging from 2.7V to 3.6V for flexibility in various applications.
4. Data Protection: Includes software-controlled protection features with sector and block-level protection options.
5. Endurance and Reliability: Offers 100,000 write/erase cycles per sector and data retention of 20 years, ensuring long-term reliability.
6. Deep Power-Down Mode: Minimizes power consumption by reducing typical current draw to less than 1 µA.
7. Security: Provides a unique device ID for secure identification and authentication purposes.
8. Package: Available in an 8-pin SOIC package, making it suitable for space-constrained designs.
These features make the AT45DB041D-SU ideal for applications requiring reliable, high-speed, and non-volatile memory storage.

The AT45DB041D-SU is a serial DataFlash memory device with a 4-megabit capacity. It has an 8-pin configuration, with each pin serving specific functions:
1. CS (Chip Select): Activates the device when low; enables data to be exchanged.
2. SCK (Serial Clock): Provides the clock signal for data transactions.
3. SI (Serial Input): Accepts data or commands from the microcontroller.
4. SO (Serial Output): Outputs data to the microcontroller.
5. WP (Write Protect): Protects certain sections of memory from being written over.
6. RESET: Resets the device, returning it to a default state.
7. GND (Ground): Reference voltage for the device.
8. VCC (Power Supply): Provides power to the device.
These pins facilitate communication via SPI (Serial Peripheral Interface), allowing the device to perform read, write, and erase operations efficiently.

The AT45DB041D-SU is manufactured by Adesto Technologies, which is now a part of Dialog Semiconductor. Adesto Technologies was known for producing non-volatile memory products such as EEPROMs, Flash memory, and Conductive Bridging RAM. In 2020, Adesto was acquired by Dialog Semiconductor, a company that specializes in mixed-signal integrated circuits and is known for its expertise in power management, audio, and Bluetooth low energy technology. Dialog Semiconductor, in turn, was acquired by Renesas Electronics Corporation in 2021, a major player in the semiconductor industry, known for its microcontrollers, automotive and industrial semiconductor solutions. Thus, the AT45DB041D-SU, as a part of the product line initially developed by Adesto, is now under Renesas Electronics' portfolio following these acquisitions.

The AT45DB041D-SU is a 4-megabit DataFlash memory chip primarily used in applications requiring reliable non-volatile storage. Key areas include consumer electronics, industrial automation systems, and embedded systems. It is suitable for use in devices like digital cameras, handheld devices, and networking equipment due to its low power consumption and high-speed data transfer capabilities. Additionally, it is employed in automotive systems for storing firmware and configuration data, as well as in medical devices where dependable memory storage is critical. Its small form factor makes it ideal for space-constrained applications.

The AT45DB041D-SU is a type of serial flash memory chip manufactured by Adesto Technologies (formerly Atmel). Its package type is an 8-lead SOIC (Small Outline Integrated Circuit), which is a surface-mount package.