Encyclopedia Entry: 25AA320X-I/ST

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Memory
• Characteristics: High-performance, Serial EEPROM
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Reliable and compact memory storage solution
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 32 kilobits (4 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 200 years
• Organization: 256 bytes per page, 128 pages

Detailed Pin Configuration

The 25AA320X-I/ST IC has a total of 8 pins arranged as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | CS | Chip Select | | 2 | SCK | Serial Clock | | 3 | SI | Serial Input | | 4 | SO | Serial Output | | 5 | WP | Write Protect | | 6 | VSS | Ground | | 7 | HOLD | Hold Input | | 8 | VCC | Power Supply |

Functional Features

• High-speed data transfer using SPI interface
• Low power consumption for efficient operation
• Built-in write protection mechanism
• Flexible erase and write operations at the byte or page level
• Self-timed programming cycle for easy integration

Advantages

• Compact form factor suitable for space-constrained applications
• Wide operating voltage range allows compatibility with various systems
• High endurance and long data retention ensure reliable performance
• Easy integration into existing designs due to standard SPI interface

Disadvantages

• Limited memory size may not be sufficient for certain applications
• Lack of additional security features like hardware encryption

Working Principles

The 25AA320X-I/ST is a Serial EEPROM that utilizes the Serial Peripheral Interface (SPI) for communication. It stores data in non-volatile memory cells, allowing information to be retained even when power is removed. The IC can be accessed by sending commands through the SPI interface, enabling read, write, and erase operations at the byte or page level.

Detailed Application Field Plans

The 25AA320X-I/ST is commonly used in various electronic devices and systems, including: 1. Consumer electronics (e.g., TVs, set-top boxes) 2. Automotive applications (e.g., infotainment systems, engine control units) 3. Industrial automation (e.g., PLCs, motor drives) 4. Medical equipment (e.g., patient monitoring devices, diagnostic tools) 5. Internet of Things (IoT) devices (e.g., smart meters, wearable devices)

Alternative Models

Other similar ICs that can be considered as alternatives to the 25AA320X-I/ST include: 1. AT25080A-10PU-2.7: 8 kilobit SPI Serial EEPROM 2. CAT24C256WI-GT3: 256 kilobit I2C Serial EEPROM 3. M93C46-WMN6TP: 1 kilobit Microwire Serial EEPROM

Please note that these alternative models may have different specifications and pin configurations, so careful consideration should be given to the specific requirements of the application.

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