25LC080A-I/SN

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Serial EEPROM Memory

Characteristics: - Low-power CMOS technology - 8Kbits of memory organized as 1024 x 8 bits - SPI interface for communication - 1.8V to 5.5V operating voltage range - 1 MHz clock rate - 100,000 erase/write cycles endurance - Data retention > 200 years - Small form factor package

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 25LC080A-I/SN is a non-volatile serial EEPROM memory chip that provides reliable data storage in various electronic devices.

Packaging/Quantity: The 25LC080A-I/SN is available in tape and reel packaging with 2,500 units per reel.

Specifications

• Memory Size: 8 Kbits
• Organization: 1024 x 8 bits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage Range: 1.8V to 5.5V
• Clock Rate: Up to 1 MHz
• Endurance: 100,000 erase/write cycles
• Data Retention: > 200 years
• Package Type: SOIC-8

Detailed Pin Configuration

The 25LC080A-I/SN has 8 pins in the SOIC-8 package:

1. Chip Select (/CS) - Active low input used to enable/disable the device.
2. Serial Clock (SCK) - Input for synchronizing data transfer.
3. Serial Data Input (SI) - Input for shifting data into the device.
4. Serial Data Output (SO) - Output for shifting data out of the device.
5. Write Protect (/WP) - Input for write protection.
6. VCC - Power supply voltage.
7. Ground (GND) - Ground reference.
8. Hold (/HOLD) - Input for suspending serial communication.

Functional Features

• Non-volatile memory: The 25LC080A-I/SN retains data even when power is removed.
• Serial interface: Uses SPI protocol for easy integration with microcontrollers and other devices.
• Low-power consumption: Operates in a wide voltage range with low power requirements.
• High endurance: Supports up to 100,000 erase/write cycles for reliable data storage.
• Long data retention: Data can be retained for more than 200 years.
• Compact package: The SOIC-8 package allows for space-efficient PCB design.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data persistence. - Serial interface simplifies communication with other devices. - Wide operating voltage range enables compatibility with various systems. - High endurance and long data retention provide reliable data storage. - Small form factor package saves board space.

Disadvantages: - Limited memory size (8 Kbits) may not be sufficient for certain applications. - Slower clock rate (up to 1 MHz) compared to some other EEPROMs. - Lack of additional security features like hardware encryption.

Working Principles

The 25LC080A-I/SN operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It uses a floating gate transistor structure to store and retrieve data. The device communicates with a microcontroller or other devices through the SPI interface, allowing for easy reading and writing of data.

Detailed Application Field Plans

The 25LC080A-I/SN is commonly used in various electronic devices that require non-volatile memory for data storage. Some application fields include:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio systems for storing configuration data and user settings.
2. Industrial Automation: Employed in industrial control systems, PLCs, and sensors to store calibration data and program parameters.
3. Automotive Electronics: Integrated into automotive modules and ECUs for storing vehicle-specific data, such as mileage and diagnostic information.
4. Medical Devices: Utilized in medical equipment for storing patient data, device configurations, and firmware updates.

Detailed and Complete Alternative Models

1. 25LC040A-I/SN: Similar to the 25LC080A-I/SN but with a smaller memory size of 4 Kbits.
2. 25LC160A-I/SN: Offers a larger memory size of 16 Kbits compared to the 25LC080A-I/SN.
3. 25AA080C-I/SN: Provides the same memory size as the 25LC080A-I/SN but with an I2C interface instead of SPI.

These alternative models offer different memory sizes and communication interfaces to cater to specific application requirements.

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