AT45DB021-TI

Product Overview

Category

AT45DB021-TI belongs to the category of flash memory devices.

Use

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

Characteristics

• Non-volatile memory
• High-speed data transfer
• Low power consumption
• Small form factor

Package

AT45DB021-TI is available in a compact package, suitable for integration into different electronic systems.

Essence

The essence of AT45DB021-TI lies in its ability to provide reliable and efficient data storage solutions.

Packaging/Quantity

This product is typically packaged in reels or trays, with varying quantities depending on customer requirements.

Specifications

• Memory Size: 2 megabits (256 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Data Retention: Up to 20 years
• Erase/Program Cycles: 10,000 cycles

Detailed Pin Configuration

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

Functional Features

• Page Program Operation: Allows data to be written in page-sized increments.
• Sector Erase Operation: Enables erasing of large blocks of data.
• Continuous Read Mode: Facilitates sequential reading of data.
• Deep Power-down Mode: Reduces power consumption when the device is not in use.

Advantages and Disadvantages

Advantages

• Fast data transfer rate
• Compact size
• Low power consumption
• High reliability
• Easy integration into various systems

Disadvantages

• Limited storage capacity compared to higher-capacity flash memory devices
• Relatively higher cost per megabit compared to larger memory chips

Working Principles

AT45DB021-TI utilizes the Serial Peripheral Interface (SPI) for communication with the host device. It stores data in non-volatile memory cells, which retain information even when power is disconnected. The device can be programmed and erased using specific commands sent through the SPI interface.

Detailed Application Field Plans

AT45DB021-TI finds applications in various electronic systems, including but not limited to: - Consumer electronics - Automotive systems - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

1. AT45DB011-TI: 1 megabit flash memory device with similar features.
2. AT45DB041-TI: 4 megabit flash memory device with increased storage capacity.
3. AT45DB081-TI: 8 megabit flash memory device with higher memory density.

These alternative models offer different storage capacities to cater to diverse application requirements.

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