AT45DB041E-SSHN-T

The AT45DB041E-SSHN-T is a serial flash memory device manufactured by Dialog Semiconductor, designed for a variety of applications requiring non-volatile storage. Here’s a detailed description of its features and specifications:

General Overview

• Type: Serial Flash Memory
• Capacity: 4 Megabits (512 Kbytes)
• Interface: SPI (Serial Peripheral Interface)
• Package Type: SOIC (Small Outline Integrated Circuit)
• Package Size: 8-lead SOIC, typically measuring around 150 mils (3.81 mm) wide.

Key Features

• Memory Organization: The memory is organized into 8 sectors, each containing 64 Kbytes, allowing for efficient data management and sector-based operations.
• Data Retention: The device offers a data retention period of up to 20 years, ensuring that stored data remains intact over long periods without power.
• Endurance: The AT45DB041E supports a minimum of 10,000 program/erase cycles per sector, making it suitable for applications that require frequent updates to stored data.
• Read Speed: The device can achieve high read speeds, typically up to 66 MHz, which is beneficial for applications needing quick access to stored data.
• Write Speed: The programming time for a page (typically 256 bytes) is around 1.5 ms, allowing for efficient data writing.

Electrical Characteristics

• Operating Voltage: The device operates within a voltage range of 2.7V to 3.6V, making it compatible with a variety of low-power applications.
• Current Consumption: The active current consumption during read operations is approximately 20 mA, while the standby current is significantly lower, around 1 µA, which is ideal for battery-powered devices.

Functionality

• Command Set: The AT45DB041E supports a comprehensive command set for various operations, including read, program, and erase commands, allowing for flexible data manipulation.
• Sector Erase: The device allows for sector-level erasure, which is efficient for applications that require frequent updates to specific areas of memory.
• Byte-Program Mode: It supports byte programming, enabling the writing of data at a granular level.

Applications

The AT45DB041E-SSHN-T is suitable for a wide range of applications, including:

• Consumer electronics (e.g., digital cameras, MP3 players)
• Industrial automation systems
• Automotive applications
• Smart meters
• IoT devices

Conclusion

The AT45DB041E-SSHN-T from Dialog Semiconductor is a versatile and reliable serial flash memory solution, offering a balance of performance, endurance, and low power consumption. Its compact SOIC package and robust feature set make it an excellent choice for various embedded applications requiring efficient non-volatile storage.