AT24C64D-MAHM-E

Product Overview

Category

AT24C64D-MAHM-E belongs to the category of Electrically Erasable Programmable Read-Only Memory (EEPROM) chips.

Use

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

Characteristics

• Non-volatile: The stored data remains even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electrically.
• High storage capacity: The AT24C64D-MAHM-E has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The AT24C64D-MAHM-E comes in an 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-E is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Storage Capacity: 64 kilobits (8 kilobytes)
• Interface: I2C (Inter-Integrated Circuit)
• 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-E 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: Power Supply

Functional Features

• Random Read: Allows reading of specific memory locations without affecting other data.
• Sequential Read: Enables continuous reading of multiple memory locations.
• Write Protection: The WP pin can be used to protect the memory from accidental writes.
• Software Write Protection: Provides software-controlled write protection for selected memory areas.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Electrically erasable and reprogrammable, allowing flexibility in data updates.
• Low power consumption makes it suitable for battery-powered devices.
• Compact package size enables integration into various electronic devices.

Disadvantages

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

Working Principles

The AT24C64D-MAHM-E utilizes an I2C interface to communicate with the host device. It stores data in a grid of memory cells that can be individually addressed for read or write operations. When data is written, the memory cells are electrically programmed, and when data is erased, the cells are electrically cleared. The stored data can be accessed by sending appropriate commands through the I2C interface.

Detailed Application Field Plans

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

1. Embedded Systems: Used for storing configuration data, firmware updates, and user settings in microcontrollers and IoT devices.
2. Automotive Electronics: Employed for storing critical data such as vehicle identification numbers (VINs), mileage, and calibration data.
3. Consumer Electronics: Utilized in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences, channel lists, and system settings.
4. Industrial Automation: Used for data logging, configuration storage, and parameter settings in industrial control systems.

Detailed and Complete Alternative Models

1. AT24C01A-MAHM-E: 1 kilobit (128 bytes) EEPROM chip.
2. AT24C256C-MAHM-E: 256 kilobits (32 kilobytes) EEPROM chip.
3. AT24CM02-MAHM-T: 2 megabits (256 kilobytes) EEPROM chip with a unique serial number feature.

These alternative models offer different storage capacities to suit specific application requirements.

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