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AT24C64D-XHM-T

AT24C64D-XHM-T

Product Overview

Category

AT24C64D-XHM-T belongs to the category of EEPROM (Electrically Erasable Programmable Read-Only Memory) 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 even when power is removed.
  • Electrically erasable: Data can be erased and reprogrammed electronically.
  • High storage capacity: The AT24C64D-XHM-T has a capacity of 64 kilobits (8 kilobytes).
  • Low power consumption: It operates at low voltage and consumes minimal power.
  • I2C interface: The chip communicates using the I2C (Inter-Integrated Circuit) protocol.

Package

The AT24C64D-XHM-T is available 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-XHM-T is typically packaged in reels containing 2500 units.

Specifications

  • Capacity: 64 kilobits (8 kilobytes)
  • Interface: I2C
  • 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-XHM-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 data at any memory location.
  • Page write mode: Supports writing multiple bytes in a single operation.
  • Software write protection: The WP pin can be used to protect the memory from accidental writes.
  • Hardware write protection: The chip supports an additional hardware write protection mechanism.

Advantages and Disadvantages

Advantages

  • Non-volatile storage ensures data integrity even during power loss.
  • High storage capacity for various applications.
  • Low power consumption extends battery life.
  • Compact package size allows integration into small devices.
  • I2C interface enables easy communication with other devices.

Disadvantages

  • Limited write cycle endurance may affect long-term usage.
  • Relatively slower write speed compared to other memory technologies.
  • Vulnerable to electromagnetic interference due to its non-shielded package.

Working Principles

The AT24C64D-XHM-T utilizes EEPROM technology, which stores data using electrically isolated floating-gate transistors. When data needs to be written, a high voltage is applied to the gate, allowing electrons to tunnel through the insulating layer and modify the charge on the floating gate. Reading data involves sensing the charge level on the floating gate. The I2C interface facilitates communication between the chip and the controlling device.

Detailed Application Field Plans

The AT24C64D-XHM-T finds applications in various fields, including: 1. Embedded systems: Used for storing configuration data, firmware updates, and user settings. 2. Automotive electronics: Stores critical data like mileage, calibration values, and security information. 3. Industrial automation: Enables data logging, parameter storage, and system configuration. 4. Consumer electronics: Utilized in devices like smart TVs, set-top boxes, and gaming consoles for data storage.

Detailed and Complete Alternative Models

  1. AT24C32D-XHM-T: A lower capacity variant with 32 kilobits (4 kilobytes) of storage.
  2. AT24C128D-XHM-T: A higher capacity variant with 128 kilobits (16 kilobytes) of storage.
  3. AT24C256D-XHM-T: An even higher capacity variant with 256 kilobits (32 kilobytes) of storage.

These alternative models provide options for different storage requirements while maintaining similar functionality and characteristics.

In conclusion, the AT24C64D-XHM-T is a versatile EEPROM chip that offers reliable non-volatile data storage in various electronic applications. Its high capacity, low power consumption, and compact package make it an ideal choice for many embedded systems and consumer electronics.

Liste 10 perguntas e respostas comuns relacionadas à aplicação de AT24C64D-XHM-T em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of AT24C64D-XHM-T in technical solutions:

  1. Q: What is the AT24C64D-XHM-T? A: The AT24C64D-XHM-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip with a capacity of 64 kilobits (8 kilobytes).

  2. Q: What is the operating voltage range for the AT24C64D-XHM-T? A: The AT24C64D-XHM-T operates within a voltage range of 1.7V to 5.5V.

  3. Q: How can I communicate with the AT24C64D-XHM-T? A: The AT24C64D-XHM-T uses the I2C (Inter-Integrated Circuit) protocol for communication, allowing it to be easily interfaced with microcontrollers and other devices.

  4. Q: What is the maximum clock frequency supported by the AT24C64D-XHM-T? A: The AT24C64D-XHM-T supports a maximum clock frequency of 1 MHz.

  5. Q: Can I write data to the AT24C64D-XHM-T more than once? A: Yes, the AT24C64D-XHM-T supports multiple write cycles, allowing you to update or modify the stored data.

  6. Q: Is the data stored in the AT24C64D-XHM-T non-volatile? A: Yes, the data stored in the AT24C64D-XHM-T is non-volatile, meaning it retains its contents even when power is removed.

  7. Q: What is the typical endurance of the AT24C64D-XHM-T? A: The AT24C64D-XHM-T has a typical endurance of 1 million write cycles, ensuring reliable and long-lasting data storage.

  8. Q: Can I use the AT24C64D-XHM-T in harsh environments? A: Yes, the AT24C64D-XHM-T is designed to operate in a wide temperature range (-40°C to +85°C) and is suitable for various industrial applications.

  9. Q: How do I address multiple AT24C64D-XHM-T chips on the same I2C bus? A: Each AT24C64D-XHM-T chip has a unique 7-bit address that can be set using the device's hardware pins, allowing you to connect multiple chips to the same I2C bus.

  10. Q: Are there any additional features or security measures in the AT24C64D-XHM-T? A: Yes, the AT24C64D-XHM-T includes built-in write protection, which allows you to protect specific memory blocks from being overwritten, providing added data security.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.