AT25SF321-SSHD-T

Product Overview

Category

AT25SF321-SSHD-T belongs to the category of Serial Flash Memory.

Use

This product is primarily used for storing and retrieving digital data in electronic devices. It provides non-volatile memory storage, allowing data to be retained even when power is removed.

Characteristics

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

Package

AT25SF321-SSHD-T is available in a small form factor package, making it suitable for space-constrained applications. The specific package type may vary depending on the manufacturer.

Essence

The essence of AT25SF321-SSHD-T lies in its ability to provide reliable and efficient storage solutions for various electronic devices. It offers a balance between performance, capacity, and power consumption.

Packaging/Quantity

The product is typically sold in reels or trays, with the quantity varying based on the manufacturer's specifications. Common packaging options include tape and reel packaging for automated assembly processes.

Specifications

• Storage Capacity: 32 megabits (4 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
• Erase/Program Cycles: 100,000 cycles

Detailed Pin Configuration

The AT25SF321-SSHD-T has a standard pin configuration as follows:

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 the Serial Peripheral Interface (SPI)
• Sector-based erasing and programming
• Software and hardware write protection options
• Deep power-down mode for low-power applications
• Fast read access time for quick data retrieval

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited erase/program cycles may restrict certain applications
• Relatively higher cost compared to other non-volatile memory options
• Requires additional circuitry for proper interfacing with the host system

Working Principles

AT25SF321-SSHD-T utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host system. It stores data in non-volatile memory cells, which can be electrically erased and programmed. The SPI interface enables high-speed data transfer between the device and the host, allowing for efficient read and write operations.

Detailed Application Field Plans

AT25SF321-SSHD-T finds application in various 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. AT25SF041-SSHD-T: 4 megabits (512 kilobytes) storage capacity
2. AT25SF081-SSHD-T: 8 megabits (1 megabyte) storage capacity
3. AT25SF161-SSHD-T: 16 megabits (2 megabytes) storage capacity
4. AT25SF321-SSHD-T (current model): 32 megabits (4 megabytes) storage capacity
5. AT25SF641-SSHD-T: 64 megabits (8 megabytes) storage capacity

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

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