AT25DF256-SSHN-T

Product Overview

Category

AT25DF256-SSHN-T belongs to the category of Serial Flash Memory.

Use

This product is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• High storage capacity
• Fast read and write operations
• Low power consumption
• Compact package size
• Wide operating voltage range

Package

AT25DF256-SSHN-T is available in a small outline, 8-lead SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of AT25DF256-SSHN-T lies in its ability to provide non-volatile memory storage with high performance and reliability.

Packaging/Quantity

This product is typically packaged in reels and the quantity per reel may vary depending on the manufacturer's specifications.

Specifications

• Memory Size: 256 Megabits (32 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 2.7V to 3.6V
• Maximum Clock Frequency: 85 MHz
• Erase Sectors: 4K bytes
• Program Page Size: 256 bytes
• Data Retention: Up to 20 years
• Endurance: 100,000 program/erase cycles

Detailed Pin Configuration

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

Functional Features

• High-speed data transfer using SPI interface
• Sector erase and page program operations
• Software and hardware protection mechanisms
• Deep power-down mode for low-power applications
• Status register for monitoring device status
• Fast read access time

Advantages and Disadvantages

Advantages

• Large storage capacity for data-intensive applications
• Fast read and write operations enhance overall system performance
• Low power consumption prolongs battery life in portable devices
• Compact package size allows for space-efficient designs
• Wide operating voltage range ensures compatibility with various systems

Disadvantages

• Limited endurance compared to other non-volatile memory technologies
• Relatively higher cost per unit compared to traditional storage solutions
• Requires additional circuitry for interfacing with the host system

Working Principles

AT25DF256-SSHN-T utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host system. It stores data in non-volatile memory cells, which retain information even when power is removed. The device supports sector erase and page program operations, allowing for efficient data management. Various protection mechanisms are implemented to prevent accidental writes or unauthorized access.

Detailed Application Field Plans

AT25DF256-SSHN-T finds applications in a wide range of electronic devices, including but not limited to: - Consumer electronics (smartphones, tablets, digital cameras) - Automotive systems (infotainment, instrument clusters) - Industrial equipment (data loggers, control systems) - Medical devices (patient monitoring, diagnostic equipment) - Communication devices (routers, modems)

Detailed and Complete Alternative Models

1. AT25DF321A-SH-B: 32 Megabytes Serial Flash Memory with similar specifications.
2. MX25L25635FMI-10G: 256 Megabits Serial Flash Memory with comparable features.
3. S25FL256SAGMFI011: 256 Megabits Serial Flash Memory offering high-speed performance.

These alternative models provide similar functionality and can be considered as alternatives to AT25DF256-SSHN-T based on specific requirements and availability.

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