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AT24HC04B-TH-T
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AT24HC04B-TH-T

Product Overview

Category

AT24HC04B-TH-T 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

  • Electrically erasable: The AT24HC04B-TH-T allows for easy modification and erasure of stored data.
  • High capacity: This chip has a storage capacity of 4 kilobits (512 bytes).
  • Low power consumption: It operates on low power, making it suitable for battery-powered devices.
  • Wide operating voltage range: The chip can function within a voltage range of 1.7V to 5.5V.
  • Temperature resistant: It can withstand a wide temperature range, making it suitable for various environments.

Package

The AT24HC04B-TH-T is available in a small Thin Small Outline Package (TSOP) with eight pins.

Essence

The essence of this product lies in its ability to store and retrieve data reliably, even when the power supply is disconnected.

Packaging/Quantity

The AT24HC04B-TH-T is typically packaged in reels containing a quantity of 2500 units.

Specifications

  • Memory capacity: 4 kilobits (512 bytes)
  • Operating voltage range: 1.7V to 5.5V
  • Operating temperature range: -40°C to +85°C
  • Interface: I2C (Two-wire Serial Interface)

Detailed Pin Configuration

The AT24HC04B-TH-T has eight pins arranged as follows:

┌───┬───┐ │ 1 │ 8 │ └───┴───┘

  1. Pin 1: VCC - Power supply voltage input
  2. Pin 2: SDA - Serial Data Line (I2C)
  3. Pin 3: SCL - Serial Clock Line (I2C)
  4. Pin 4: A0 - Address bit 0
  5. Pin 5: A1 - Address bit 1
  6. Pin 6: WP - Write Protect
  7. Pin 7: GND - Ground
  8. Pin 8: NC - No Connection

Functional Features

  • Byte-level read and write operations: The AT24HC04B-TH-T allows for individual byte read and write operations.
  • Page write mode: It supports page write operations, enabling faster data transfers.
  • Write protection: The chip features a write protect pin (WP) that can be used to prevent accidental data modification.
  • Software and hardware write protection: The AT24HC04B-TH-T offers both software and hardware methods to protect stored data.

Advantages and Disadvantages

Advantages

  • High storage capacity in a compact package
  • Low power consumption
  • Wide operating voltage range
  • Temperature resistant
  • Easy to interface with microcontrollers using the I2C protocol

Disadvantages

  • Limited storage capacity compared to other EEPROM chips
  • Relatively slower write speeds compared to some alternatives

Working Principles

The AT24HC04B-TH-T utilizes electrically erasable programmable memory cells to store data. These cells can be individually addressed and modified using the I2C interface. When data is written, it is stored in non-volatile memory, ensuring its retention even when power is disconnected.

Detailed Application Field Plans

The AT24HC04B-TH-T finds applications in various fields, including: 1. Embedded systems: Used for storing configuration data and firmware updates in microcontrollers. 2. Consumer electronics: Used for storing user settings, calibration data, and other non-volatile information in devices such as TVs, cameras, and audio equipment. 3. Industrial automation: Employed for storing critical parameters, sensor calibration data, and system configurations in industrial control systems. 4. Automotive electronics: Utilized for storing vehicle-specific data, such as mileage, service history, and user preferences.

Detailed and Complete Alternative Models

  1. AT24C02 - 2 kilobit EEPROM chip with similar characteristics but lower storage capacity.
  2. AT24HC256 - 256 kilobit EEPROM chip with higher storage capacity but larger package size.
  3. AT25SF041 - 4 megabit serial flash memory chip with faster write speeds but different interface requirements.

These alternative models offer different trade-offs in terms of storage capacity, speed, and package size, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the AT24HC04B-TH-T is a versatile EEPROM chip that provides reliable non-volatile data storage in various electronic devices. Its compact size,

技術ソリューションにおける AT24HC04B-TH-T の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of AT24HC04B-TH-T in technical solutions:

  1. Q: What is the AT24HC04B-TH-T? A: The AT24HC04B-TH-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology.

  2. Q: What is the capacity of the AT24HC04B-TH-T? A: The AT24HC04B-TH-T has a capacity of 4 kilobits, which is equivalent to 512 bytes.

  3. Q: What is the operating voltage range of the AT24HC04B-TH-T? A: The AT24HC04B-TH-T operates within a voltage range of 1.7V to 5.5V.

  4. Q: What is the interface used to communicate with the AT24HC04B-TH-T? A: The AT24HC04B-TH-T uses the I2C (Inter-Integrated Circuit) interface for communication.

  5. Q: Can the AT24HC04B-TH-T be used in automotive applications? A: Yes, the AT24HC04B-TH-T is qualified for automotive applications and can withstand harsh environmental conditions.

  6. Q: What is the maximum clock frequency supported by the AT24HC04B-TH-T? A: The AT24HC04B-TH-T supports a maximum clock frequency of 1 MHz.

  7. Q: Does the AT24HC04B-TH-T have built-in write protection? A: Yes, the AT24HC04B-TH-T has built-in hardware and software write protection features to prevent accidental writes.

  8. Q: Can the AT24HC04B-TH-T retain data during power loss? A: Yes, the AT24HC04B-TH-T has non-volatile memory, which means it can retain data even when power is disconnected.

  9. Q: What is the typical endurance of the AT24HC04B-TH-T? A: The AT24HC04B-TH-T has a typical endurance of 1 million write cycles.

  10. Q: Is the AT24HC04B-TH-T RoHS (Restriction of Hazardous Substances) compliant? A: Yes, the AT24HC04B-TH-T is RoHS compliant, ensuring it meets environmental regulations.

Please note that these answers are general and may vary depending on the specific application and requirements.