25LC080B-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 (Serial Peripheral Interface) compatible - 1.8V to 5.5V operating voltage range - 1 MHz clock rate - 100,000 erase/write cycles - Data retention > 200 years - 8-byte page write mode - Self-timed erase and write cycles

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 25LC080B-I/SN is a non-volatile serial EEPROM memory chip that provides reliable data storage in various electronic devices.

Packaging/Quantity: The 25LC080B-I/SN is available in a SOIC package with a quantity of 98 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: 1 MHz
• Erase/Write Cycles: 100,000
• Data Retention: > 200 years
• Page Write Mode: 8 bytes
• Package Type: SOIC
• Package Quantity: 98 units per reel

Detailed Pin Configuration

The 25LC080B-I/SN has a total of 8 pins:

1. Chip Select (/CS): Active low input pin used to enable the device.
2. Serial Clock (SCK): Input pin for the serial clock signal.
3. Serial Data Input (SI): Input pin for the serial data input.
4. Serial Data Output (SO): Output pin for the serial data output.
5. Write Protect (/WP): Input pin used to protect the memory from write operations.
6. VCC: Power supply pin (+1.8V to +5.5V).
7. Ground (GND): Ground reference pin.
8. Hold (/HOLD): Input pin used to pause serial communication.

Functional Features

• Non-volatile memory: The 25LC080B-I/SN retains data even when power is removed.
• Serial Peripheral Interface (SPI) compatibility: Allows easy integration with microcontrollers and other devices.
• Low-power consumption: Ideal for battery-powered applications.
• Self-timed erase and write cycles: Simplifies programming and ensures data integrity.
• Page write mode: Enables efficient writing of up to 8 bytes at a time.

Advantages and Disadvantages

Advantages: - Reliable non-volatile memory storage - Easy integration with SPI-compatible devices - Low-power consumption - Self-timed erase and write cycles for simplified programming - Efficient page write mode

Disadvantages: - Limited memory size (8 Kbits) - Slower clock rate compared to some other EEPROMs

Working Principles

The 25LC080B-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 the host microcontroller through the SPI interface, allowing for easy reading and writing of data.

Detailed Application Field Plans

The 25LC080B-I/SN is widely used in various electronic devices that require non-volatile memory storage. Some common application fields include:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio/video equipment for storing configuration settings and user preferences.
2. Automotive: Employed in automotive electronics for storing critical data such as mileage, fault codes, and calibration settings.
3. Industrial Control Systems: Used in industrial automation systems for storing parameters, calibration data, and event logs.
4. Medical Devices: Utilized in medical equipment for storing patient data, device configurations, and firmware updates.

Detailed and Complete Alternative Models

1. 25LC040-I/SN: 4 Kbit Serial EEPROM with similar features but lower memory capacity.
2. 25LC256-I/SN: 256 Kbit Serial EEPROM with higher memory capacity and faster clock rate.
3. 25AA080C-I/SN: 8 Kbit Serial EEPROM with a different interface (I2C) but similar characteristics.

These alternative models offer different memory capacities and interface options to suit specific application requirements.

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