AT34C02Y1-10YI-2.7

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Memory storage

Characteristics: - Non-volatile memory - Low power consumption - Small form factor - High reliability

Package: 8-pin SOP (Small Outline Package)

Essence: The AT34C02Y1-10YI-2.7 is a 2-wire serial EEPROM (Electrically Erasable Programmable Read-Only Memory) IC.

Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Memory Size: 2 Kbits (256 bytes)
• Operating Voltage: 2.7V to 5.5V
• Interface: I2C (Inter-Integrated Circuit)
• Maximum Clock Frequency: 400 kHz
• Write Cycle Time: 5 ms (maximum)
• Data Retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)

Detailed Pin Configuration

The AT34C02Y1-10YI-2.7 has the following pin configuration:

1. VCC - Power supply voltage
2. SDA - Serial data input/output
3. SCL - Serial clock input
4. WP - Write protect (optional)
5. GND - Ground
6. NC - No connection
7. NC - No connection
8. VCC - Power supply voltage

Functional Features

• Byte-wise random access to memory
• Sequential read operation
• Software write protection
• Hardware write protection (WP pin)
• Self-timed write cycle completion
• Schmitt trigger inputs for noise immunity
• ESD protection exceeds 2000V HBM (Human Body Model)

Advantages

• Compact size allows for easy integration into various electronic devices
• Low power consumption extends battery life in portable applications
• High reliability ensures data integrity over long periods of time
• I2C interface enables simple and efficient communication with other ICs

Disadvantages

• Limited memory size may not be suitable for applications requiring large storage capacity
• Slower write cycle time compared to some other EEPROMs
• Lack of additional features such as built-in security or advanced error correction

Working Principles

The AT34C02Y1-10YI-2.7 operates based on the principles of electrically erasable programmable read-only memory. It uses a floating gate transistor structure to store and retrieve digital information. The memory cells can be written to or read from using the I2C interface, allowing for easy manipulation of data.

Detailed Application Field Plans

The AT34C02Y1-10YI-2.7 is commonly used in various electronic devices that require non-volatile memory storage. Some typical application fields include:

1. Consumer Electronics:

   • Smartphones
   • Tablets
   • Digital cameras

2. Automotive:

   • Engine control units
   • Infotainment systems
   • Instrument clusters

3. Industrial Automation:

   • Programmable logic controllers (PLCs)
   • Human-machine interfaces (HMIs)
   • Data loggers

4. Medical Devices:

   • Patient monitoring systems
   • Portable medical equipment
   • Implantable devices

Detailed and Complete Alternative Models

1. AT24C02 - 2-wire serial EEPROM by Atmel Corporation
2. CAT24C02 - 2-wire serial EEPROM by ON Semiconductor
3. 24LC02B - 2-wire serial EEPROM by Microchip Technology Inc.
4. M24C02 - 2-wire serial EEPROM by STMicroelectronics

These alternative models offer similar functionality and can be considered as substitutes for the AT34C02Y1-10YI-2.7.

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