AT45DB041D-SU-SL954

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Flash Memory
• Characteristics: High-density, Serial Interface, Non-volatile, Low Power Consumption
• Package: 8-pin Small Outline (SOIC)
• Essence: Reliable and efficient data storage solution
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 4 Megabits (512 Kbytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature: -40°C to +85°C
• Read/Write Speed: Up to 85 MHz
• Data Retention: More than 20 years
• Endurance: 100,000 write cycles

Pin Configuration

The AT45DB041D-SU-SL954 has the following pin configuration:

1. Chip Select (/CS)
2. Output Enable (/OE)
3. Serial Clock (SCK)
4. Serial Data Input (SI)
5. Serial Data Output (SO)
6. Write Protect (/WP)
7. Reset (/RESET)
8. VCC (Power Supply)

Functional Features

• High-speed data transfer using SPI interface
• Page program and erase operations for flexible data management
• Continuous read mode for efficient data retrieval
• Software and hardware protection mechanisms for data security
• Low power consumption in standby and active modes
• Automatic sleep mode for further power savings

Advantages

• Compact package size allows for space-efficient designs
• High-density memory capacity enables storage of large amounts of data
• Fast read/write speeds enhance overall system performance
• Wide operating temperature range ensures reliability in various environments
• Long data retention period eliminates the need for frequent data refresh

Disadvantages

• Limited endurance may be a concern in applications with heavy write operations
• Lack of built-in error correction mechanisms may require additional error checking and correction methods

Working Principles

The AT45DB041D-SU-SL954 is based on the Serial Peripheral Interface (SPI) protocol. It utilizes a combination of floating gate and tunnel oxide technologies to store data reliably in non-volatile memory cells. The SPI interface allows for high-speed communication between the IC and the host microcontroller, enabling efficient data transfer and management.

Detailed Application Field Plans

The AT45DB041D-SU-SL954 is suitable for a wide range of applications, including:

1. Embedded Systems: Used as a storage medium for firmware, configuration data, and log files.
2. Consumer Electronics: Enables data storage in devices such as digital cameras, portable media players, and gaming consoles.
3. Industrial Automation: Provides non-volatile memory for storing critical system parameters, sensor data, and event logs.
4. Automotive Electronics: Used in automotive systems for data logging, firmware updates, and configuration storage.
5. Medical Devices: Enables reliable storage of patient data, device settings, and diagnostic information.

Alternative Models

1. AT45DB081D-SU-SL954: 8 Megabit (1 Mbyte) version of the same flash memory IC.
2. AT45DB161D-SU-SL954: 16 Megabit (2 Mbyte) version with similar features.
3. AT45DB321D-SU-SL954: 32 Megabit (4 Mbyte) variant offering increased storage capacity.

These alternative models provide higher memory capacities while maintaining compatibility with the AT45DB series and similar functionality.

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