AT24C04D-SSHM-T

Product Overview

Category

AT24C04D-SSHM-T belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for storing and retrieving data in electronic devices. It provides non-volatile memory storage, allowing information to be retained even when power is removed.

Characteristics

• Electrically erasable: The AT24C04D-SSHM-T can be erased and reprogrammed electronically, making it convenient for updating or modifying stored data.
• Low power consumption: This chip operates at low voltage levels, minimizing energy consumption.
• High reliability: The AT24C04D-SSHM-T offers robust performance and long-term data retention.
• Small package size: The chip is available in a compact surface-mount package, making it suitable for space-constrained applications.

Package and Quantity

The AT24C04D-SSHM-T is typically packaged in a small outline integrated circuit (SOIC) package. It is supplied in reels, with a standard quantity of 2500 units per reel.

Specifications

• Memory capacity: 4 kilobits (512 bytes)
• Operating voltage range: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write cycle endurance: 1 million cycles
• Data retention: 100 years

Pin Configuration

The AT24C04D-SSHM-T has a total of 8 pins, which are assigned specific functions:

1. A0: Address input bit 0
2. A1: Address input bit 1
3. A2: Address input bit 2
4. GND: Ground reference
5. SDA: Serial data input/output
6. SCL: Serial clock input
7. WP: Write protect
8. VCC: Power supply

Functional Features

• Random access: The AT24C04D-SSHM-T allows for random read and write operations, enabling efficient data retrieval and modification.
• I2C interface: This chip utilizes the I2C (Inter-Integrated Circuit) protocol for communication with other devices, ensuring compatibility and ease of integration.
• Hardware write protection: The WP pin can be used to protect the stored data from accidental overwriting.
• Page write mode: The chip supports page write operations, allowing multiple bytes of data to be written in a single operation, enhancing efficiency.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable electronic devices.
• High reliability ensures data integrity and longevity.
• Easy integration due to the standardized I2C interface.
• Page write mode enhances write efficiency.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speed compared to some alternative models.
• Vulnerable to electrical noise and interference.

Working Principles

The AT24C04D-SSHM-T operates by utilizing electrically controlled floating gate transistors to store and retrieve data. When data is written, an electrical charge is applied to the floating gate, altering its conductivity and storing the desired information. During read operations, the stored charge is measured, allowing the data to be retrieved.

Application Field Plans

The AT24C04D-SSHM-T finds application in various fields, including but not limited to: - Consumer electronics: Used in devices such as smartphones, tablets, and digital cameras for storing user settings, calibration data, and firmware updates. - Automotive: Employed in vehicle systems for storing critical configuration data, mileage records, and fault codes. - Industrial automation: Utilized in control systems and sensors for storing calibration data, production parameters, and device identification.

Alternative Models

Several alternative models with similar functionality to the AT24C04D-SSHM-T are available in the market. These include: - AT24C01A - AT24C02C - AT24C08D - AT24C16B

These models offer varying storage capacities and package options, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the AT24C04D-SSHM-T is a compact and reliable EEPROM chip that provides non-volatile memory storage for various electronic devices. Its electrically erasable nature, low power consumption, and compatibility with the I2C interface make it a versatile choice for many applications. However, its limited storage capacity and susceptibility to electrical noise should be considered when selecting this chip for a particular project.