Microchip Technology
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
AT24C08B-TH-T
Zobrazit detail DataSheets

AT24C08B-TH-T

Product Overview

Category

AT24C08B-TH-T belongs to the category of EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This chip is commonly 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 and programmable: Data can be modified electronically without requiring physical removal.
  • High endurance: Can withstand a large number of erase/write cycles.
  • Low power consumption: Operates efficiently with minimal power requirements.

Package

AT24C08B-TH-T is available in a standard 8-pin Thin Small Outline Package (TSOP).

Essence

The essence of AT24C08B-TH-T lies in its ability to provide reliable and flexible non-volatile memory storage for electronic devices.

Packaging/Quantity

This chip is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Memory Capacity: 8 kilobits (1 kilobyte)
  • Interface: I2C (Inter-Integrated Circuit)
  • Operating Voltage: 1.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Write Time: 5ms (maximum)
  • Data Retention: 100 years (minimum)

Detailed Pin Configuration

AT24C08B-TH-T 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: Power Supply

Functional Features

  • Random Access: Allows reading and writing of data at any memory location.
  • Page Write Mode: Enables efficient programming of multiple bytes in a single write operation.
  • Software Write Protection: Provides the ability to protect specific memory areas from being modified.
  • Hardware Write Protection: Allows the entire chip to be write-protected using the WP pin.

Advantages and Disadvantages

Advantages

  • Non-volatile storage ensures data integrity even during power loss.
  • High endurance allows for frequent data updates without degradation.
  • Low power consumption prolongs battery life in portable devices.
  • Compact package size facilitates integration into various electronic designs.

Disadvantages

  • Limited storage capacity compared to other memory technologies.
  • Slower write times compared to volatile memory types.
  • Relatively higher cost per kilobyte compared to some alternative memory solutions.

Working Principles

AT24C08B-TH-T utilizes EEPROM technology, which employs floating-gate transistors to store and retrieve data. The data is stored as electrical charges trapped within the floating gates of these transistors. To read or write data, the chip uses an I2C interface, allowing communication with the host device.

Detailed Application Field Plans

AT24C08B-TH-T finds applications in various fields, including but not limited to: - Embedded systems - Industrial automation - Automotive electronics - Smart home devices - Medical equipment - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT24C08B-TH-T include: - AT24C01A - AT24C02C - AT24C16B - AT24C32D - AT24C64E

These models vary in terms of memory capacity, package type, and other specifications, providing options to suit different application requirements.

In conclusion, AT24C08B-TH-T is a versatile EEPROM chip that offers reliable non-volatile data storage for a wide range of electronic devices. Its characteristics, functional features, and compatibility with alternative models make it a popular choice in various industries.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT24C08B-TH-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT24C08B-TH-T in technical solutions:

  1. Q: What is AT24C08B-TH-T? A: AT24C08B-TH-T is an EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology. It has a capacity of 8 kilobits (1 kilobyte) and operates at a temperature range of -40°C to +85°C.

  2. Q: What are some typical applications of AT24C08B-TH-T? A: AT24C08B-TH-T is commonly used for storing configuration data, calibration data, or small amounts of non-volatile memory in various electronic devices such as industrial equipment, consumer electronics, and automotive systems.

  3. Q: How does AT24C08B-TH-T communicate with a microcontroller? A: AT24C08B-TH-T uses the I2C (Inter-Integrated Circuit) protocol for communication with a microcontroller. It requires two lines, SDA (Serial Data) and SCL (Serial Clock), to transfer data between the chip and the microcontroller.

  4. Q: What is the maximum clock frequency supported by AT24C08B-TH-T? A: AT24C08B-TH-T supports a maximum clock frequency of 400 kHz, which means it can transfer data at a rate of up to 400 kilobits per second.

  5. Q: Can AT24C08B-TH-T be easily soldered onto a PCB? A: Yes, AT24C08B-TH-T comes in a standard 8-pin SOIC (Small Outline Integrated Circuit) package, which is widely used and can be easily soldered onto a PCB (Printed Circuit Board).

  6. Q: Does AT24C08B-TH-T require any external components for operation? A: No, AT24C08B-TH-T does not require any external components for basic operation. However, it may require pull-up resistors on the SDA and SCL lines to ensure proper communication.

  7. Q: Can AT24C08B-TH-T operate at different supply voltages? A: Yes, AT24C08B-TH-T can operate at supply voltages ranging from 1.7V to 5.5V, making it compatible with a wide range of microcontrollers and systems.

  8. Q: Is AT24C08B-TH-T capable of performing write operations? A: Yes, AT24C08B-TH-T supports both read and write operations. It allows individual bytes or pages of data to be written and read back as needed.

  9. Q: What is the typical endurance of AT24C08B-TH-T? A: AT24C08B-TH-T has a typical endurance of 1 million write cycles. This means that each memory location can be written to and erased approximately 1 million times before it may start to degrade.

  10. Q: Can AT24C08B-TH-T retain data during power loss? A: Yes, AT24C08B-TH-T is non-volatile memory, meaning it can retain data even when power is lost. It uses an electrically erasable floating-gate transistor technology to store data reliably.