AT24HC02C-XHM-B

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics: High capacity, low power consumption, I2C interface
• Package: XHM-B (8-pin SOIC package)
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Memory Capacity: 2 kilobits (256 bytes)
• Supply Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: I2C (Two-wire Serial Interface)
• Write Cycle Time: 5 ms (maximum)
• Data Retention: 100 years (minimum)

Detailed Pin Configuration

The AT24HC02C-XHM-B has the following pin configuration:

1. A0: Address Input
2. A1: Address Input
3. A2: Address Input
4. GND: Ground
5. SDA: Serial Data Input/Output
6. SCL: Serial Clock Input
7. WP: Write Protect
8. VCC: Supply Voltage

Functional Features

• Non-volatile memory: Retains data even when power is disconnected
• Electrically erasable and programmable: Allows for easy modification of stored data
• Low power consumption: Suitable for battery-powered devices
• I2C interface: Enables communication with other devices using a simple two-wire protocol
• Write protection: Prevents accidental modification of stored data

Advantages and Disadvantages

Advantages

• High capacity for storing data
• Low power consumption extends battery life
• Easy integration with other devices using I2C interface
• Compact and lightweight package

Disadvantages

• Limited memory capacity compared to other EEPROMs
• Relatively slower write cycle time

Working Principles

The AT24HC02C-XHM-B is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate transistor structure that allows for the storage and retrieval of digital data. The stored data can be modified by applying specific electrical signals to the memory cells.

The I2C interface enables communication between the AT24HC02C-XHM-B and other devices in a system. The device can be addressed, and data can be read from or written to its memory cells using the serial clock (SCL) and serial data (SDA) lines.

Detailed Application Field Plans

The AT24HC02C-XHM-B finds applications in various electronic devices that require non-volatile memory for storing configuration settings, calibration data, or user preferences. Some potential application fields include:

1. Consumer Electronics: Smartphones, tablets, digital cameras
2. Automotive: Engine control units, infotainment systems
3. Industrial Automation: Programmable logic controllers, sensors, actuators
4. Medical Devices: Patient monitoring systems, diagnostic equipment
5. Internet of Things (IoT): Connected devices, smart home appliances

Detailed and Complete Alternative Models

1. AT24HC04C-XHM-B: 4 kilobits (512 bytes) capacity, same package and characteristics as AT24HC02C-XHM-B.
2. AT24HC08C-XHM-B: 8 kilobits (1024 bytes) capacity, same package and characteristics as AT24HC02C-XHM-B.
3. AT24HC16C-XHM-B: 16 kilobits (2048 bytes) capacity, same package and characteristics as AT24HC02C-XHM-B.

These alternative models offer higher memory capacities while maintaining compatibility with the AT24HC02C-XHM-B in terms of package and functional features.

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