AT45DB081B-CC

Product Overview

Category

AT45DB081B-CC belongs to the category of flash memory devices.

Use

This product is primarily used for data storage and retrieval in various electronic devices.

Characteristics

• Flash memory technology
• Non-volatile storage
• High-speed data transfer
• Low power consumption

Package

AT45DB081B-CC is available in a compact chip form, suitable for surface mount technology (SMT) applications.

Essence

The essence of AT45DB081B-CC lies in its ability to provide reliable and efficient data storage solutions for electronic devices.

Packaging/Quantity

This product is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Memory capacity: 8 megabits (1 megabyte)
• Interface: Serial Peripheral Interface (SPI)
• Operating voltage: 2.7V - 3.6V
• Operating temperature range: -40°C to +85°C
• Data retention: Up to 20 years
• Erase/program cycles: 10,000 minimum

Detailed Pin Configuration

The AT45DB081B-CC has a total of 8 pins, each serving a specific purpose:

1. Chip Select (/CS): Enables communication with the device.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Transfers data from the microcontroller to the device.
4. Serial Data Output (SO): Transfers data from the device to the microcontroller.
5. Write Protect (/WP): Protects the memory from accidental writes.
6. Reset (/RESET): Resets the device to its default state.
7. VCC: Power supply input.
8. Ground (GND): Common ground reference.

Functional Features

• Page-based architecture for efficient data management.
• Sector erase and block erase operations for flexible memory organization.
• Continuous read mode for fast data retrieval.
• Software and hardware protection mechanisms to prevent unauthorized access.
• Low-power standby mode for power-saving applications.

Advantages and Disadvantages

Advantages

• High-speed data transfer allows for quick access to stored information.
• Non-volatile memory ensures data retention even during power loss.
• Compact package size enables integration into space-constrained designs.
• Wide operating temperature range makes it suitable for various environments.

Disadvantages

• Limited erase/program cycles may affect the lifespan of the device.
• Relatively small memory capacity compared to other flash memory options.
• Requires an external microcontroller for data manipulation and control.

Working Principles

AT45DB081B-CC utilizes a combination of floating gate transistors and charge storage techniques to store and retrieve data. When data is written, charges are trapped in the floating gate, altering the transistor's behavior. During read operations, the stored charges are sensed, allowing the retrieval of the stored data.

Detailed Application Field Plans

AT45DB081B-CC finds application in various electronic devices, including but not limited to: - Consumer electronics (smartphones, tablets, digital cameras) - Automotive systems (infotainment, navigation) - Industrial equipment (data loggers, control systems) - Medical devices (patient monitoring, diagnostic equipment)

Detailed and Complete Alternative Models

1. AT45DB161E-CC: Offers double the memory capacity (16 megabits) compared to AT45DB081B-CC.
2. AT45DB321E-CC: Provides triple the memory capacity (32 megabits) compared to AT45DB081B-CC.
3. AT45DB641E-CC: Offers six times the memory capacity (64 megabits) compared to AT45DB081B-CC.

These alternative models provide increased storage capabilities for applications that require larger memory capacities.

In conclusion, AT45DB081B-CC is a flash memory device with a compact package and high-speed data transfer capabilities. It offers reliable data storage solutions for various electronic devices. While it has certain limitations, its advantages make it suitable for a wide range of applications.