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:

A0: Address Input
A1: Address Input
A2: Address Input
GND: Ground
SDA: Serial Data Input/Output
SCL: Serial Clock Input
WP: Write Protect
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:

Consumer Electronics: Used for storing configuration settings, user preferences, and firmware updates in devices such as TVs, set-top boxes, and audio systems.
Industrial Automation: Used for data logging, parameter storage, and device configuration in industrial control systems.
Automotive: Used for storing vehicle settings, sensor calibration data, and event logs in automotive electronics.
Medical Devices: Used for storing patient data, device configurations, and firmware updates in medical equipment.
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

기술 솔루션에 AT24C256BN-SH-T 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of AT24C256BN-SH-T in technical solutions:

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.
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.
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.
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.
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.
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.
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.
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.
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.
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!