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AT24C64C-TH-B
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AT24C64C-TH-B

Product Overview

Category

AT24C64C-TH-B 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: Retains stored data even when power is removed.
  • Electrically erasable: Allows data to be erased and reprogrammed electronically.
  • High storage capacity: The AT24C64C-TH-B has a storage capacity of 64 kilobits (8 kilobytes).
  • Low power consumption: Operates at low voltage levels, making it energy-efficient.
  • Wide temperature range: Can function reliably in extreme temperature conditions.
  • I2C interface: Communicates with other devices using the I2C protocol.

Package

The AT24C64C-TH-B comes in a small outline integrated circuit (SOIC) package. This package type provides ease of handling and compatibility with standard PCB manufacturing processes.

Essence

The essence of the AT24C64C-TH-B is its ability to store and retrieve digital information reliably and efficiently.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of chips per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

  • Storage Capacity: 64 kilobits (8 kilobytes)
  • Interface: I2C
  • Supply Voltage: 1.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Data Retention: Up to 100 years
  • Write Endurance: 1 million write cycles

Detailed Pin Configuration

The AT24C64C-TH-B has a total of 8 pins, each serving a specific function:

  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: Supply Voltage

Functional Features

  • Random Access: Allows reading and writing of data at any memory location.
  • Page Write: Supports writing multiple bytes of data in a single operation.
  • Software Write Protection: Provides the ability to protect certain memory areas from being overwritten.
  • Hardware Write Protection: Includes a write-protect pin (WP) that can be used to disable write operations.

Advantages and Disadvantages

Advantages

  • Non-volatile storage ensures data retention even during power loss.
  • High storage capacity for various applications.
  • Low power consumption extends battery life in portable devices.
  • Wide temperature range allows usage in extreme environments.
  • I2C interface enables easy integration with other devices.

Disadvantages

  • Limited write endurance compared to other memory technologies.
  • Slower write speed compared to volatile memory types.
  • Relatively higher cost per bit compared to some alternative memory options.

Working Principles

The AT24C64C-TH-B utilizes an electrically erasable floating-gate transistor technology. It stores data by trapping electrical charges in the floating gate, which can be later removed or added using electrical signals. The stored charge represents binary information, allowing the chip to retain data even when power is disconnected.

Detailed Application Field Plans

The AT24C64C-TH-B finds applications in various fields, including: 1. Embedded systems: Used for storing firmware, configuration data, and calibration parameters. 2. Automotive electronics: Stores critical data such as vehicle identification numbers and mileage. 3. Industrial automation: Used for storing production data, equipment settings, and user preferences. 4. Consumer electronics: Enables data storage in devices like smart TVs, set-top boxes, and gaming consoles.

Detailed and Complete Alternative Models

  1. AT24C01A-TH-B: 1 kilobit (128 bytes) EEPROM chip.
  2. AT24C256C-TH-B: 256 kilobits (32 kilobytes) EEPROM chip.
  3. AT24CM02-TH-B: 2 megabits (256 kilobytes) EEPROM chip.
  4. AT24MAC602-TH-B: 64 kilobits (8 kilobytes) EEPROM chip with a unique MAC address.

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

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi AT24C64C-TH-B dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of AT24C64C-TH-B in technical solutions:

  1. Q: What is AT24C64C-TH-B? A: AT24C64C-TH-B is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip with a capacity of 64 kilobits (8 kilobytes).

  2. Q: What are the typical applications of AT24C64C-TH-B? A: AT24C64C-TH-B is commonly used for storing configuration data, calibration values, or other small amounts of non-volatile data in various electronic devices.

  3. Q: How does AT24C64C-TH-B communicate with a microcontroller or other host device? A: AT24C64C-TH-B uses the I2C (Inter-Integrated Circuit) protocol for communication, which requires only two wires (SDA and SCL) to connect with the host device.

  4. Q: What is the operating voltage range of AT24C64C-TH-B? A: AT24C64C-TH-B operates within a voltage range of 1.7V to 5.5V, making it compatible with a wide range of microcontrollers and systems.

  5. Q: Can AT24C64C-TH-B be easily soldered onto a PCB? A: Yes, AT24C64C-TH-B comes in a standard 8-pin TSSOP (Thin Shrink Small Outline Package), which can be easily soldered onto a PCB using conventional surface mount techniques.

  6. Q: Is AT24C64C-TH-B capable of performing write operations? A: Yes, AT24C64C-TH-B supports both read and write operations, allowing the host device to modify the data stored in the EEPROM.

  7. Q: What is the maximum frequency at which AT24C64C-TH-B can operate? A: AT24C64C-TH-B can operate at a maximum clock frequency of 1 MHz, ensuring fast data transfer between the host device and the EEPROM.

  8. Q: Can multiple AT24C64C-TH-B chips be connected together on the same I2C bus? A: Yes, multiple AT24C64C-TH-B chips can be connected together on the same I2C bus by assigning unique addresses to each chip using the address pins.

  9. Q: Does AT24C64C-TH-B have any built-in security features? A: No, AT24C64C-TH-B does not have any built-in security features. It is a standard EEPROM chip without any hardware encryption or protection mechanisms.

  10. Q: Is AT24C64C-TH-B suitable for high-temperature environments? A: Yes, AT24C64C-TH-B is designed to operate reliably in a wide temperature range from -40°C to +85°C, making it suitable for various industrial and automotive applications.

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