25AA080C-I/ST

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Memory

Characteristics: - Low-power consumption - High-speed performance - Small form factor - Reliable data retention - Easy integration

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 25AA080C-I/ST is a non-volatile memory IC that provides reliable and high-speed data storage in a compact package.

Packaging/Quantity: The 25AA080C-I/ST is available in a standard SOIC package. It is typically sold in reels of 2500 units.

Specifications

• Memory Size: 8 kilobits (1 kilobyte)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 200 years
• Write Endurance: 1 million write cycles

Detailed Pin Configuration

The 25AA080C-I/ST has a total of 8 pins, which are as follows:

1. Chip Select (/CS): Used to enable or disable the device.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the device.
4. Serial Data Output (SO): Outputs data from the device.
5. Write Protect (/WP): Allows write protection when connected to VCC or GND.
6. VCC: Power supply voltage.
7. Ground (GND): Ground reference for the device.
8. Hold (/HOLD): Used to pause serial communication temporarily.

Functional Features

• Byte-level Read and Write Operations: Allows individual byte read and write operations for flexible data manipulation.
• Sector Locking: Provides the ability to protect specific sectors of memory from accidental modification.
• Software Write Protection: Allows software-controlled write protection for enhanced security.
• Sequential Read Mode: Enables continuous data reading without the need for repeated address input.
• Power-Saving Modes: Supports various power-saving modes to minimize energy consumption.

Advantages and Disadvantages

Advantages: - Compact size enables easy integration into space-constrained designs. - Low-power consumption makes it suitable for battery-powered devices. - High-speed performance allows for quick data access and transfer. - Reliable data retention ensures long-term storage of critical information. - Flexible write protection options enhance data security.

Disadvantages: - Limited memory capacity may not be sufficient for certain applications requiring larger storage. - Lack of built-in encryption or security features may require additional measures for data protection.

Working Principles

The 25AA080C-I/ST utilizes the Serial Peripheral Interface (SPI) protocol for communication. It stores data in non-volatile memory cells, which retain information even when power is removed. The device can be accessed by sending commands and addresses through the SPI interface, allowing read and write operations at the byte level.

Detailed Application Field Plans

The 25AA080C-I/ST is commonly used in various electronic devices and systems, including but not limited to: - Consumer electronics - Industrial automation - Automotive applications - Medical devices - Internet of Things (IoT) devices

In consumer electronics, it can be found in products such as smart TVs, set-top boxes, and gaming consoles, where it provides storage for firmware updates, user settings, and other non-volatile data.

In industrial automation, the IC is utilized for storing configuration parameters, calibration data, and event logs in programmable logic controllers (PLCs) and industrial sensors.

Automotive applications include instrument clusters, infotainment systems, and engine control units (ECUs), where the 25AA080C-I/ST is used for storing critical data like mileage, user preferences, and fault codes.

Medical devices often employ this IC for storing patient data, device settings, and firmware updates in a secure and reliable manner.

In IoT devices, it serves as non-volatile memory for storing sensor data, network configurations, and firmware updates.

Detailed and Complete Alternative Models

• 25AA040A-I/ST: 4 kilobits (512 bytes) memory size
• 25AA160A-I/ST: 16 kilobits (2 kilobytes) memory size
• 25AA320A-I/ST: 32 kilobits (4 kilobytes) memory size
• 25AA640A-I/ST: 64 kilobits (8 kilobytes) memory size

These alternative models offer different memory capacities to suit various application requirements while maintaining similar functionality and characteristics.

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