AT24HC04BN-SH-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics: High-density, low-power, serial EEPROM
• Package: 8-lead SOIC (Small Outline Integrated Circuit)
• Essence: Stores and retrieves digital information even when power is turned off
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 4 Kilobits (512 x 8 bits)
• Interface: I2C (Inter-Integrated Circuit) compatible
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 Million cycles
• Data Retention: 100 Years

Pin Configuration

The AT24HC04BN-SH-T has the following pin configuration:

```

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| | | 1 2 3 | | | | 4 5 6 | | | | 7 8 | |_______________| ```

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 Input
8. VCC: Power Supply

Functional Features

• High-density memory storage
• Low power consumption
• Easy interfacing with microcontrollers through I2C protocol
• Built-in write protection mechanism
• Reliable data retention even in harsh environments
• Wide operating voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages: - High memory density allows for storing large amounts of data - Low power consumption prolongs battery life in portable devices - I2C interface simplifies integration with microcontrollers - Write protection feature prevents accidental data modification - Long data retention ensures data integrity over extended periods

Disadvantages: - Limited memory size compared to other EEPROM variants - Slower write speeds compared to other non-volatile memory technologies - Relatively higher cost per bit compared to larger capacity memories

Working Principles

The AT24HC04BN-SH-T is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate transistor structure to store digital information. The memory cells can be electrically programmed and erased, allowing for non-volatile data storage. The I2C interface enables communication between the IC and external microcontrollers, facilitating data read and write operations.

Detailed Application Field Plans

The AT24HC04BN-SH-T is widely used in various applications, including but not limited to:

1. Consumer Electronics: Used for storing configuration settings, calibration data, and user preferences in devices such as TVs, set-top boxes, and audio equipment.
2. Automotive: Employed in automotive electronics for storing critical data like mileage, vehicle identification numbers (VIN), and diagnostic information.
3. Industrial Control Systems: Utilized in industrial automation and control systems for storing parameters, sensor calibration data, and system configuration settings.
4. Medical Devices: Integrated into medical devices for storing patient data, device settings, and firmware updates.
5. Internet of Things (IoT): Used in IoT devices for storing sensor data, device configurations, and firmware updates.

Detailed and Complete Alternative Models

1. AT24HC02BN-SH-T: 2 Kilobit (256 x 8 bits) version of the AT24HC04BN-SH-T.
2. AT24HC08BN-SH-T: 8 Kilobit (1024 x 8 bits) version of the AT24HC04BN-SH-T.
3. AT24HC16BN-SH-T: 16 Kilobit (2048 x 8 bits) version of the AT24HC04BN-SH-T.

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

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