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AT24C32E-STUM-T
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AT24C32E-STUM-T

Product Overview

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

Specifications

  • Memory Size: 32 kilobits (4 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 AT24C32E-STUM-T has the following pin configuration:

  1. A0: Device Address Input
  2. A1: Device Address Input
  3. A2: Device Address Input
  4. GND: Ground
  5. SDA: Serial Data Input/Output
  6. SCL: Serial Clock Input
  7. WP: Write Protect Input
  8. VCC: Power Supply

Functional Features

  • High-speed I2C interface for easy integration with microcontrollers
  • Byte-wise and page-wise write operations
  • Software write protection of memory
  • Hardware write protection using the WP pin
  • Self-timed programming cycle for efficient operation
  • Sequential read mode for faster data retrieval

Advantages

  • Low power consumption, suitable for battery-powered devices
  • Compact package size allows for space-efficient designs
  • Wide operating voltage range enables compatibility with various systems
  • High data retention ensures long-term reliability
  • Easy integration with microcontrollers simplifies system design

Disadvantages

  • Limited memory size compared to other EEPROM options
  • Slower write cycle time may impact performance in time-sensitive applications

Working Principles

The AT24C32E-STUM-T is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate transistor structure to store and retrieve digital information. The memory cells can be electrically programmed and erased, allowing for non-volatile data storage. The I2C interface facilitates communication between the IC and the microcontroller, enabling read and write operations.

Detailed Application Field Plans

The AT24C32E-STUM-T is commonly used in various electronic devices that require non-volatile memory storage. Some potential application fields include:

  1. Consumer Electronics: Smartphones, tablets, digital cameras
  2. Automotive: Infotainment systems, instrument clusters
  3. Industrial Control Systems: Data loggers, sensor calibration
  4. Medical Devices: Patient monitoring systems, medical imaging equipment
  5. Internet of Things (IoT): Smart home devices, wearable technology

Alternative Models

  • AT24C01E-STUM-T: 1 kilobit (128 bytes) memory size
  • AT24C02E-STUM-T: 2 kilobits (256 bytes) memory size
  • AT24C64E-STUM-T: 64 kilobits (8 kilobytes) memory size

These alternative models offer different memory capacities to suit specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av AT24C32E-STUM-T i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of AT24C32E-STUM-T in technical solutions:

  1. Q: What is AT24C32E-STUM-T? A: AT24C32E-STUM-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology. It has a storage capacity of 32 kilobits (4 kilobytes) and operates on the I2C (Inter-Integrated Circuit) bus.

  2. Q: What are the typical applications of AT24C32E-STUM-T? A: AT24C32E-STUM-T is commonly used for storing configuration data, calibration values, and other non-volatile information in various electronic devices such as microcontrollers, sensors, and industrial control systems.

  3. Q: How do I interface with AT24C32E-STUM-T? A: AT24C32E-STUM-T communicates using the I2C protocol. You can connect it to your microcontroller or other I2C-compatible device using two wires - SDA (Serial Data Line) and SCL (Serial Clock Line).

  4. Q: What is the operating voltage range of AT24C32E-STUM-T? A: AT24C32E-STUM-T operates within a voltage range of 1.7V to 5.5V, making it compatible with a wide range of microcontrollers and systems.

  5. Q: Can I write data to AT24C32E-STUM-T multiple times? A: Yes, AT24C32E-STUM-T supports both read and write operations. You can write data to it multiple times, and each write operation will overwrite the previous data.

  6. Q: What is the maximum data transfer rate of AT24C32E-STUM-T? A: The maximum data transfer rate of AT24C32E-STUM-T is 400 kilobits per second (kbps) when operating at the standard I2C bus speed.

  7. Q: Does AT24C32E-STUM-T have any built-in security features? A: No, AT24C32E-STUM-T does not have built-in security features such as hardware encryption or write protection. If you require security, you may need to implement additional measures in your system.

  8. Q: Can I use multiple AT24C32E-STUM-T chips in the same system? A: Yes, you can use multiple AT24C32E-STUM-T chips in the same system by assigning unique I2C addresses to each chip. The AT24C32E-STUM-T supports up to 8 different I2C addresses.

  9. Q: What is the typical endurance of AT24C32E-STUM-T? A: AT24C32E-STUM-T has a typical endurance of 1 million write cycles. This means you can write data to it up to 1 million times before the memory cells start to degrade.

  10. Q: Is AT24C32E-STUM-T suitable for harsh environments? A: AT24C32E-STUM-T is rated for industrial temperature range (-40°C to +85°C) and is suitable for operation in harsh environments. However, it is always recommended to consult the datasheet and consider additional environmental factors specific to your application.