AT25DN256-MAHF-T

Product Overview

Category

AT25DN256-MAHF-T belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: Retains stored data even when power is disconnected.
• High capacity: Offers a storage capacity of 256 megabits.
• Fast access time: Provides quick data retrieval.
• Low power consumption: Operates efficiently with minimal power usage.

Package

AT25DN256-MAHF-T is available in a compact surface-mount package.

Essence

The essence of this product lies in its ability to store and retrieve data reliably, making it an essential component in many electronic devices.

Packaging/Quantity

AT25DN256-MAHF-T is typically packaged in reels, with each reel containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 256 megabits
• 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: Up to 100,000 cycles

Detailed Pin Configuration

The AT25DN256-MAHF-T has a total of 8 pins, each serving a specific purpose:

1. Chip Select (/CS): Used to enable or disable the device for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Receives data from the external device.
4. Serial Data Output (SO): Transmits data to the external device.
5. Write Protect (/WP): Controls write protection of the memory.
6. Hold (/HOLD): Suspends ongoing operations temporarily.
7. VCC: Power supply voltage input.
8. Ground (GND): Common ground reference.

Functional Features

• High-speed data transfer: The SPI interface allows for fast and efficient data communication.
• Sector-based erasure: Enables selective erasure of specific memory sectors, reducing unnecessary data modification.
• Write protection: The write protect pin prevents accidental overwriting or modification of stored data.
• Low power consumption: The device operates with low power requirements, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Large storage capacity
• Fast access time
• Reliable data retention
• Compact package size
• Low power consumption

Disadvantages

• Limited erase/program cycles
• Requires an external microcontroller for operation

Working Principles

AT25DN256-MAHF-T utilizes flash memory technology to store and retrieve data. It employs the Serial Peripheral Interface (SPI) protocol for communication with an external microcontroller or host device. Data is written to and read from specific memory addresses within the device using a series of commands sent through the SPI interface.

Detailed Application Field Plans

The AT25DN256-MAHF-T finds applications in various electronic devices, including but not limited to: - Consumer electronics (e.g., smartphones, tablets) - Automotive systems (e.g., infotainment systems, instrument clusters) - Industrial control systems - Medical devices - Internet of Things (IoT) devices

Detailed and Complete Alternative Models

• AT25DN512C-MAHF-T: Offers double the storage capacity (512 megabits) compared to AT25DN256-MAHF-T.
• AT25DN128A-MAHF-T: Provides a lower storage capacity (128 megabits) at a reduced cost.
• AT25DN256-MAHF-S: Similar to AT25DN256-MAHF-T but available in a different package option.

These alternative models offer varying storage capacities and package options, allowing users to choose the most suitable option for their specific requirements.

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