AT24C64D-SSHM-B

Product Overview

Category

AT24C64D-SSHM-B belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High storage capacity: The AT24C64D-SSHM-B has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: It operates at low voltage and consumes minimal power.
• High reliability: The EEPROM technology ensures reliable data retention and endurance.

Package

The AT24C64D-SSHM-B comes in an industry-standard 8-pin Small Outline Integrated Circuit (SOIC) package.

Essence

The essence of this product lies in its ability to provide non-volatile memory storage with high reliability and low power consumption.

Packaging/Quantity

The AT24C64D-SSHM-B is typically packaged in reels or tubes, with each reel containing 2500 units.

Specifications

• Memory Capacity: 64 kilobits (8 kilobytes)
• Interface: I2C (Two-wire Serial Interface)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 million cycles
• Data Retention: 100 years

Detailed Pin Configuration

The AT24C64D-SSHM-B has eight pins arranged as follows:

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: Power Supply

Functional Features

• Random Access: Allows reading and writing of data at any memory location.
• Page Write Mode: Supports writing multiple bytes in a single write operation, enhancing efficiency.
• Software Write Protection: The WP pin can be used to protect the memory from accidental writes.
• Hardware Write Protection: An additional feature that provides an extra layer of protection against unauthorized writes.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• High reliability and endurance due to EEPROM technology.
• Low power consumption makes it suitable for battery-powered devices.
• Compact package size allows for easy integration into various electronic systems.
• I2C interface enables simple and efficient communication with microcontrollers.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speeds compared to volatile memory types.
• Relatively higher cost per unit compared to some alternative memory solutions.

Working Principles

The AT24C64D-SSHM-B utilizes EEPROM technology, which stores data by trapping electric charges within floating gate transistors. These charges represent binary information and remain intact even when power is removed. To read or write data, the chip communicates with a microcontroller using the I2C serial interface.

Detailed Application Field Plans

The AT24C64D-SSHM-B finds applications in various fields, including but not limited to:

1. Embedded Systems: Used for storing configuration data, firmware updates, and user settings in microcontroller-based systems.
2. Industrial Automation: Enables non-volatile storage of critical parameters, calibration data, and event logs in industrial control systems.
3. Automotive Electronics: Used for storing vehicle-specific data, such as mileage, fault codes, and user preferences.
4. Consumer Electronics: Enables storage of user profiles, settings, and firmware updates in devices like smart TVs, set-top boxes, and gaming consoles.

Detailed and Complete Alternative Models

1. AT24C02: 2 kilobit (256-byte) EEPROM chip with similar characteristics but lower storage capacity.
2. AT24C128: 128 kilobit (16-kilobyte) EEPROM chip with higher storage capacity.
3. AT25SF041: Serial Flash memory chip with faster write speeds and larger storage capacity compared to EEPROM.

These alternative models offer different storage capacities and performance characteristics, allowing users to choose the most suitable option for their specific requirements.

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