ON Semiconductor
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CAT24C44LI
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CAT24C44LI

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Non-volatile memory
  • Characteristics: Low-power, I2C interface, 4K-bit EEPROM
  • Package: 8-pin SOIC (Small Outline Integrated Circuit)
  • Essence: Serial Electrically Erasable Programmable Read-Only Memory (EEPROM)
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Memory Size: 4K bits
  • Interface: I2C (Inter-Integrated Circuit)
  • Supply Voltage: 1.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Write Cycle Time: 5ms (maximum)
  • Data Retention: 200 years (minimum)

Detailed Pin Configuration

The CAT24C44LI has an 8-pin SOIC package with the following pin configuration:

  1. A0: Address Input Bit 0
  2. A1: Address Input Bit 1
  3. GND: Ground
  4. SDA: Serial Data Input/Output
  5. SCL: Serial Clock Input
  6. WP: Write Protect
  7. VCC: Power Supply
  8. NC: No Connection

Functional Features

  • Low-power consumption for energy-efficient applications
  • I2C interface allows easy integration with other devices
  • 4K-bit memory size provides ample storage capacity
  • Write protection feature prevents accidental data modification
  • Wide operating voltage range enables versatile usage scenarios

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices - I2C interface simplifies communication with other ICs - Ample memory size for storing critical data - Write protection ensures data integrity - Wide operating voltage range enhances flexibility

Disadvantages: - Limited memory size compared to higher-capacity EEPROMs - Requires an external microcontroller or host device for operation

Working Principles

The CAT24C44LI is based on the Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating-gate transistor structure to store and retrieve data. The I2C interface allows for easy communication between the IC and other devices, enabling read and write operations.

Detailed Application Field Plans

The CAT24C44LI finds applications in various fields, including but not limited to:

  1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio systems for storing configuration settings and user preferences.
  2. Automotive: Employed in automotive control units for storing calibration data, firmware updates, and vehicle-specific parameters.
  3. Industrial Automation: Utilized in programmable logic controllers (PLCs), sensors, and industrial equipment for storing critical data and configuration information.
  4. Medical Devices: Integrated into medical instruments and devices for storing patient data, calibration values, and device settings.
  5. Internet of Things (IoT): Incorporated into IoT devices for storing sensor data, device configurations, and firmware updates.

Detailed and Complete Alternative Models

  1. AT24C04: 4K-bit EEPROM with I2C interface, offered by Atmel Corporation.
  2. M24C04: 4K-bit EEPROM with I2C interface, manufactured by STMicroelectronics.
  3. 24AA04: 4K-bit EEPROM with I2C interface, produced by Microchip Technology.

These alternative models offer similar functionality and can be considered as substitutes for the CAT24C44LI.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací CAT24C44LI v technických řešeních

Sure! Here are 10 common questions and answers related to the application of CAT24C44LI in technical solutions:

  1. Q: What is CAT24C44LI? A: CAT24C44LI is a 4K-bit I2C-compatible Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by ON Semiconductor.

  2. Q: What is the operating voltage range for CAT24C44LI? A: CAT24C44LI operates within a voltage range of 1.7V to 5.5V.

  3. Q: How much memory does CAT24C44LI have? A: CAT24C44LI has a total memory capacity of 4 kilobits, which is equivalent to 512 bytes.

  4. Q: What is the maximum clock frequency supported by CAT24C44LI? A: CAT24C44LI supports a maximum clock frequency of 400 kHz.

  5. Q: Can CAT24C44LI be used for both read and write operations? A: Yes, CAT24C44LI can be used for both read and write operations. It allows random read and sequential write operations.

  6. Q: Is CAT24C44LI suitable for low-power applications? A: Yes, CAT24C44LI is designed for low-power applications and consumes very low standby and active currents.

  7. Q: Does CAT24C44LI have any built-in security features? A: No, CAT24C44LI does not have any built-in security features. It is a standard EEPROM without any hardware encryption or protection mechanisms.

  8. Q: Can CAT24C44LI operate at high temperatures? A: Yes, CAT24C44LI has an extended temperature range and can operate reliably in temperatures ranging from -40°C to +85°C.

  9. Q: What is the typical write endurance of CAT24C44LI? A: CAT24C44LI has a typical write endurance of 1 million cycles, which means it can be written and erased up to 1 million times before it may start to degrade.

  10. Q: Can CAT24C44LI be used in automotive applications? A: Yes, CAT24C44LI is qualified for automotive applications and meets the necessary standards and requirements for automotive electronics.

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