AT25DF021A-XMHN-T

Product Overview

Category

AT25DF021A-XMHN-T belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing and retrieving digital data in electronic devices.

Characteristics

• Non-volatile memory: The stored data is retained even when power is removed.
• High storage capacity: The AT25DF021A-XMHN-T has a capacity of 2 megabits (256 kilobytes).
• Serial interface: It communicates with the host device using a serial protocol.
• Low power consumption: It operates at low voltage levels, making it suitable for battery-powered devices.

Package

The AT25DF021A-XMHN-T is available in an industry-standard 8-pin SOIC package.

Essence

The essence of AT25DF021A-XMHN-T lies in its ability to provide reliable and high-speed data storage in a compact form factor.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Memory Capacity: 2 Megabits (256 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 20 years
• Erase/Program Cycle Endurance: 100,000 cycles

Detailed Pin Configuration

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

Functional Features

• Fast Read Operation: Allows for high-speed data retrieval.
• Sector Erase Capability: Enables selective erasure of memory sectors.
• Page Program Operation: Facilitates efficient data programming.
• Deep Power-down Mode: Reduces power consumption when the device is not in use.
• Software Protection Features: Provides options for write protection and security.

Advantages

• Compact Size: The small form factor makes it suitable for space-constrained applications.
• High Reliability: The non-volatile nature of flash memory ensures data integrity.
• Low Power Consumption: Ideal for battery-powered devices, extending their operational life.
• Ease of Integration: The serial interface simplifies the integration process with host devices.

Disadvantages

• Limited Storage Capacity: Compared to other storage technologies, the AT25DF021A-XMHN-T has a relatively lower capacity.
• Slower Write Speed: Programming data into the memory may take longer compared to other memory technologies.

Working Principles

The AT25DF021A-XMHN-T utilizes a Serial Peripheral Interface (SPI) to communicate with the host device. It stores data in a series of memory cells, which can be individually erased or programmed. The SPI interface allows for high-speed data transfer between the host and the memory chip.

Detailed Application Field Plans

The AT25DF021A-XMHN-T finds application in various electronic devices, including but not limited to: - Consumer Electronics: Smartphones, tablets, digital cameras, and portable media players. - Automotive Systems: Infotainment systems, instrument clusters, and navigation systems. - Industrial Equipment: Data loggers, control systems, and measurement devices. - IoT Devices: Connected sensors, smart home devices, and wearable technology.

Detailed and Complete Alternative Models

1. AT25DF041A-XMHF-T: 4 Megabit Serial Flash Memory with similar features and package.
2. AT25SF081A-SH-B: 8 Megabit Serial Flash Memory with extended temperature range.
3. AT25DL161A-MHN-T: 16 Megabit Serial Flash Memory with dual output interface.

(Note: The above list is not exhaustive and serves as an example of alternative models.)

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