AT45DB081E-MHN2B-T

Product Overview

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

Specifications

• Memory Size: 8 Megabits (1 Megabyte)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature: -40°C to +85°C
• Data Retention: More than 20 years
• Program/Erase Cycles: 10,000 minimum

Pin Configuration

The AT45DB081E-MHN2B-T has the following pin configuration:

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

Functional Features

• High-speed data transfer using SPI interface
• Page program and erase operations for efficient data management
• Continuous read mode for sequential data access
• Software and hardware protection mechanisms for data security
• Deep power-down mode for ultra-low power consumption

Advantages and Disadvantages

Advantages: - High-density memory for storing large amounts of data - Serial interface allows easy integration with various microcontrollers - Low power consumption extends battery life in portable devices - Reliable data retention and endurance for long-term usage

Disadvantages: - Limited program/erase cycles compared to other memory technologies - Relatively higher cost per bit compared to traditional storage options

Working Principles

The AT45DB081E-MHN2B-T is based on the floating-gate technology, which allows data to be stored even when power is removed. It utilizes a serial interface (SPI) for communication with the host microcontroller. The memory can be programmed and erased in individual pages or entire sectors. Data can be read sequentially from the memory using the continuous read mode.

Detailed Application Field Plans

The AT45DB081E-MHN2B-T is widely used in various electronic devices that require non-volatile data storage. Some of the common application fields include:

1. Consumer Electronics: Smartphones, tablets, digital cameras
2. Automotive: Infotainment systems, navigation devices
3. Industrial Control Systems: Data loggers, control panels
4. Medical Devices: Patient monitoring systems, diagnostic equipment
5. IoT (Internet of Things): Sensor nodes, wearable devices

Alternative Models

Here are some alternative models that offer similar functionality:

1. AT25SF081: 8 Megabit Serial Flash Memory, SPI Interface
2. MX25L8006E: 8 Megabit Serial NOR Flash Memory, SPI Interface
3. S25FL208K: 8 Megabit Serial NOR Flash Memory, SPI Interface

These alternative models can be considered based on specific requirements and compatibility with the target system.

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