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AT24C256BN-SH-T
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AT24C256BN-SH-T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
  • Characteristics: High-density, low-power, serial EEPROM
  • Package: 8-lead SOIC (Small Outline Integrated Circuit)
  • Essence: Stores and retrieves digital information even when power is removed
  • Packaging/Quantity: Tape and Reel, 2,500 units per reel

Specifications

  • Memory Size: 256 kilobits (32 kilobytes)
  • Interface: I2C (Inter-Integrated Circuit) compatible
  • Operating Voltage: 1.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Write Cycle Time: 5 milliseconds (typical)
  • Data Retention: 100 years (minimum)

Pin Configuration

The AT24C256BN-SH-T has a total of 8 pins:

  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

  • High-density memory storage
  • Low power consumption
  • Easy interfacing with microcontrollers
  • Byte-wise and page-wise write operations
  • Built-in write protection mechanism
  • Self-timed write cycle
  • Sequential read operation
  • Software and hardware write protection options

Advantages

  • Large memory capacity for storing data
  • Low power consumption extends battery life
  • Simple integration with microcontroller systems
  • Flexible write protection options for data security
  • Reliable data retention for long periods

Disadvantages

  • Limited write endurance (number of write cycles)
  • Slower write cycle compared to other memory technologies
  • Higher cost per bit compared to some other memory types

Working Principles

The AT24C256BN-SH-T is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It uses a floating gate transistor structure to store and retrieve digital information. The memory cells can be electrically programmed and erased, allowing non-volatile storage of data even when power is removed.

Application Field Plans

The AT24C256BN-SH-T is widely used in various applications, including:

  1. Consumer Electronics: Used for storing configuration settings, user preferences, and firmware updates in devices such as TVs, set-top boxes, and audio systems.
  2. Industrial Automation: Used for data logging, parameter storage, and device configuration in industrial control systems.
  3. Automotive: Used for storing vehicle settings, sensor calibration data, and event logs in automotive electronics.
  4. Medical Devices: Used for storing patient data, device configurations, and firmware updates in medical equipment.
  5. Internet of Things (IoT): Used for data storage and communication in IoT devices, such as smart meters, environmental sensors, and home automation systems.

Alternative Models

  • AT24C01A
  • AT24C02
  • AT24C04
  • AT24C08
  • AT24C16
  • AT24C32
  • AT24C64
  • AT24C128
  • AT24C256
  • AT24C512

These alternative models offer varying memory sizes to suit different application requirements.

Word count: 408 words

技術ソリューションにおける AT24C256BN-SH-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 AT24C256BN-SH-T in technical solutions:

  1. Q: What is the AT24C256BN-SH-T? A: The AT24C256BN-SH-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip with a capacity of 256 kilobits (32 kilobytes). It is commonly used for non-volatile data storage in various electronic devices.

  2. Q: What is the operating voltage range of the AT24C256BN-SH-T? A: The AT24C256BN-SH-T operates within a voltage range of 1.7V to 5.5V, making it compatible with a wide range of microcontrollers and systems.

  3. Q: How is the AT24C256BN-SH-T interfaced with a microcontroller? A: The AT24C256BN-SH-T uses an I2C (Inter-Integrated Circuit) interface to communicate with a microcontroller. It requires only two wires, SDA (Serial Data) and SCL (Serial Clock), for communication.

  4. Q: What is the maximum clock frequency supported by the AT24C256BN-SH-T? A: The AT24C256BN-SH-T supports a maximum clock frequency of 1 MHz, allowing for fast data transfer between the microcontroller and the EEPROM.

  5. Q: Can the AT24C256BN-SH-T be used for both read and write operations? A: Yes, the AT24C256BN-SH-T supports both read and write operations. It can be used to store and retrieve data as needed.

  6. Q: How many bytes of data can be stored in the AT24C256BN-SH-T? A: The AT24C256BN-SH-T has a capacity of 32 kilobytes, which translates to 32,768 bytes of data storage.

  7. Q: Is the data stored in the AT24C256BN-SH-T non-volatile? A: Yes, the data stored in the AT24C256BN-SH-T is non-volatile, meaning it remains intact even when power is removed from the device.

  8. Q: What is the typical write endurance of the AT24C256BN-SH-T? A: The AT24C256BN-SH-T has a typical write endurance of 1 million cycles, allowing for frequent updates and modifications to the stored data.

  9. Q: Can multiple AT24C256BN-SH-T chips be connected together in a system? A: Yes, multiple AT24C256BN-SH-T chips can be connected together in a system using different I2C addresses, allowing for expanded data storage capabilities.

  10. Q: Are there any special considerations for handling the AT24C256BN-SH-T? A: It is important to handle the AT24C256BN-SH-T with proper ESD (Electrostatic Discharge) precautions to prevent damage. Additionally, care should be taken to ensure correct voltage levels and timing during communication with the chip.

I hope these questions and answers provide you with useful information about the application of AT24C256BN-SH-T in technical solutions!