AT45DB041E-SHNHA-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Flash Memory
• Characteristics:
  • Non-volatile memory
  • High-density storage
  • Low power consumption
  • Serial interface
• Package: SOP (Small Outline Package)
• 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 Range: -40°C to +85°C
• Write Endurance: 100,000 cycles
• Data Retention: 20 years
• Page Size: 528 bytes
• Sector Size: 256 pages
• Erase Time: 5 milliseconds (typical)

Pin Configuration

The AT45DB041E-SHNHA-T has a total of 8 pins:

1. VCC: Power supply voltage
2. GND: Ground
3. SI: Serial input for data
4. SO: Serial output for data
5. WP: Write protect control input
6. HOLD: Hold control input
7. SCK: Serial clock input
8. CS: Chip select input

Functional Features

• Dual-interface: Supports both SPI and RapidS serial interface modes
• Continuous Read Mode: Allows sequential reading of multiple pages without the need for reselecting the device
• Flexible Erase Architecture: Provides sector and block erase operations
• Software Protection: Write protection can be enabled or disabled using software commands
• Deep Power-down Mode: Reduces power consumption when the device is not in use

Advantages and Disadvantages

Advantages: - High-density storage capacity - Low power consumption - Reliable data retention - Flexible erase architecture

Disadvantages: - Limited memory size compared to other flash memory options - Slower write speed compared to some competing products

Working Principles

The AT45DB041E-SHNHA-T is based on the NAND flash memory technology. It utilizes a serial interface (SPI) to communicate with the host microcontroller. The memory cells store data in a non-volatile manner, meaning the data remains even when power is disconnected. The device supports various operations such as reading, writing, erasing, and protecting data.

Detailed Application Field Plans

The AT45DB041E-SHNHA-T is commonly used in applications that require reliable and efficient data storage, such as:

1. Embedded Systems: Used for storing firmware, configuration data, and log files in microcontrollers and microprocessors.
2. Industrial Automation: Enables data logging, event recording, and parameter storage in industrial control systems.
3. Automotive Electronics: Stores critical data like calibration values, fault codes, and sensor readings in automotive electronic control units (ECUs).
4. Consumer Electronics: Used in devices like digital cameras, portable media players, and gaming consoles for data storage purposes.

Detailed and Complete Alternative Models

1. AT45DB081E-SHNHA-T: 8 Megabit (1 Mbyte) version of the same flash memory IC.
2. AT45DB161E-SHNHA-T: 16 Megabit (2 Mbyte) version with similar features.
3. AT45DB321E-SHNHA-T: 32 Megabit (4 Mbyte) variant offering increased storage capacity.
4. AT45DB641E-SHNHA-T: 64 Megabit (8 Mbyte) alternative for applications requiring larger memory size.

These alternative models provide higher storage capacities while maintaining compatibility and similar functionality to the AT45DB041E-SHNHA-T.

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