AT24C64D-MAHM-T

Product Overview

Category

AT24C64D-MAHM-T 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-MAHM-T has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: It operates at low voltage and consumes minimal power.
• I2C interface: It uses the I2C (Inter-Integrated Circuit) protocol for communication.

Package

The AT24C64D-MAHM-T is available in a surface-mount 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile data storage in a compact and low-power package.

Packaging/Quantity

The AT24C64D-MAHM-T is typically packaged in reels containing 2500 units per reel.

Specifications

• Memory Capacity: 64 kilobits (8 kilobytes)
• 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-MAHM-T has the following pin configuration:

1. A0: Chip Address Input
2. A1: Chip Address Input
3. A2: Chip 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: Enables multiple bytes to be written in a single write operation, improving efficiency.
• Software Write Protection: The WP pin can be used to protect the memory from accidental writes.
• Hardware Write Protection: A2, A1, and A0 pins can be used to set a hardware write protection scheme.

Advantages

• Non-volatile storage ensures data integrity even during power loss or system shutdown.
• High storage capacity allows for storing large amounts of data.
• Low power consumption makes it suitable for battery-powered devices.
• I2C interface enables easy integration with various microcontrollers and systems.
• Compact package size saves board space in electronic designs.

Disadvantages

• Limited write cycle endurance may restrict certain applications requiring frequent data updates.
• Relatively slower write speed compared to other memory technologies.
• Vulnerable to electromagnetic interference (EMI) due to its non-shielded package.

Working Principles

The AT24C64D-MAHM-T utilizes EEPROM technology, which employs floating-gate transistors to store and retrieve data. When data is written, an electric charge is trapped in the floating gate, altering the transistor's behavior. This charge can be removed during the erase process, allowing new data to be written. The I2C interface facilitates communication between the chip and the controlling device.

Detailed Application Field Plans

The AT24C64D-MAHM-T finds applications in various fields, including:

1. Embedded Systems: Used for firmware storage in microcontrollers and embedded systems.
2. Industrial Automation: Stores configuration data and parameters in industrial control systems.
3. Automotive Electronics: Used for storing critical data in automotive applications such as engine management systems and infotainment systems.
4. Consumer Electronics: Found in devices like smart TVs, set-top boxes, and gaming consoles for data storage purposes.

Detailed and Complete Alternative Models

1. AT24C01A-MAHM-T: 1 kilobit (128 bytes) EEPROM chip.
2. AT24C256C-MAHM-T: 256 kilobits (32 kilobytes) EEPROM chip.
3. AT24CM02-MAHM-T: 2 megabits (256 kilobytes) EEPROM chip.

These alternative models offer varying capacities to suit different application requirements.

In conclusion, the AT24C64D-MAHM-T is a versatile EEPROM chip that provides reliable non-volatile data storage in a compact package. Its high storage capacity, low power consumption, and I2C interface make it suitable for a wide range of electronic devices and applications. However, its limited write cycle endurance and susceptibility to EMI should be considered when selecting this product for specific use cases.