AT25DN256-SSHFGP-B

Product Overview

Category

AT25DN256-SSHFGP-B 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: The AT25DN256-SSHFGP-B retains data even when power is removed.
• High capacity: It offers a storage capacity of 256 megabits (32 megabytes).
• Fast access time: The device provides quick access to stored data.
• Low power consumption: It operates efficiently with low power requirements.

Package

The AT25DN256-SSHFGP-B comes 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

The AT25DN256-SSHFGP-B is typically packaged in reels or trays, with a quantity of several hundred units per package.

Specifications

• Memory Type: Serial Flash
• Capacity: 256 Megabits (32 Megabytes)
• 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
• Write Endurance: 100,000 cycles

Detailed Pin Configuration

The AT25DN256-SSHFGP-B has a total of 8 pins, which are as follows:

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. Ground (GND)
8. Power Supply (VCC)

Functional Features

• High-speed data transfer: The AT25DN256-SSHFGP-B supports fast serial data transfer rates.
• Flexible erase and program operations: It allows for individual sector or full-chip erase and program operations.
• Hardware and software protection: The device offers various protection mechanisms to prevent unauthorized access or accidental modification of stored data.
• Sector-level write protection: Specific sectors can be write-protected to ensure data integrity.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for a wide range of applications.
• Fast access time enables quick data retrieval.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited write endurance compared to other types of memory.
• Relatively higher cost per unit compared to some alternative models.

Working Principles

The AT25DN256-SSHFGP-B utilizes the Serial Peripheral Interface (SPI) to communicate with the host device. It stores data in non-volatile memory cells, which retain information even when power is removed. The device uses a combination of electronic circuits and firmware algorithms to enable efficient read, write, and erase operations.

Detailed Application Field Plans

The AT25DN256-SSHFGP-B finds application in various electronic devices, including but not limited to: - Consumer electronics (e.g., smartphones, tablets, digital cameras) - Automotive systems (e.g., infotainment systems, instrument clusters) - Industrial equipment (e.g., control systems, data loggers) - Medical devices (e.g., patient monitoring systems, diagnostic equipment)

Detailed and Complete Alternative Models

1. AT25SF041-SSHD-T: 4 Megabit Serial Flash Memory
2. AT25DF641A-SH-T: 64 Megabit Serial Flash Memory
3. AT25SL321-MHN-T: 32 Megabit Serial Flash Memory
4. AT25DL081-SH-B: 8 Megabit Serial Flash Memory

These alternative models offer different capacities and features to suit specific application requirements.

In conclusion, the AT25DN256-SSHFGP-B is a high-capacity non-volatile memory device that provides reliable data storage and retrieval. Its fast access time, low power consumption, and flexible functionality make it suitable for various electronic applications. While it has some limitations in terms of write endurance and cost, there are alternative models available to cater to different needs.