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93LC66B/ST
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93LC66B/ST

Product Overview

Category

The 93LC66B/ST belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

It is commonly used for non-volatile data storage in various electronic devices such as microcontrollers, automotive electronics, and consumer electronics.

Characteristics

  • Non-volatile memory
  • Small form factor
  • Low power consumption
  • High reliability

Package

The 93LC66B/ST is typically available in a surface-mount package.

Essence

The essence of the 93LC66B/ST lies in its ability to store and retrieve data without the need for a constant power supply.

Packaging/Quantity

It is usually supplied in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Memory Size: 4 Kbits
  • Interface: Serial I2C
  • Operating Voltage: 1.7V to 5.5V
  • Operating Temperature Range: -40°C to 125°C
  • Write Cycle Endurance: 1,000,000 cycles
  • Data Retention: 200 years

Detailed Pin Configuration

The 93LC66B/ST typically features 8 pins, including power supply, ground, serial clock, serial data input/output, and control pins.

Functional Features

  • Byte and Page Write Modes
  • Self-timed Write Cycle
  • Partial Page Writes Allowed
  • Hardware Write Protection

Advantages

  • Low power consumption
  • Compact size
  • High reliability and endurance
  • Wide operating voltage range

Disadvantages

  • Limited storage capacity compared to other memory technologies
  • Slower write speeds compared to volatile memory

Working Principles

The 93LC66B/ST operates by using electrical signals to modify the state of individual memory cells, allowing data to be stored and retrieved as needed.

Detailed Application Field Plans

The 93LC66B/ST is widely used in applications such as: - Microcontroller-based systems - Automotive engine control units - Smart meters - Industrial automation

Detailed and Complete Alternative Models

Some alternative models to the 93LC66B/ST include: - 24LC64 from Microchip Technology - AT24C04 from Atmel Corporation - M24C04 from STMicroelectronics

In conclusion, the 93LC66B/ST is a versatile EEPROM chip with a wide range of applications, offering reliable non-volatile data storage in a compact and efficient package.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 93LC66B/ST en soluciones técnicas

  1. What is the 93LC66B/ST?

    • The 93LC66B/ST is a serial electrically erasable programmable read-only memory (EEPROM) chip used for non-volatile data storage.

  2. What are the key features of the 93LC66B/ST?

    • The 93LC66B/ST features a 4K-bit array, low power consumption, and a wide operating voltage range.

  3. How is the 93LC66B/ST typically interfaced with a microcontroller?

    • The 93LC66B/ST is commonly interfaced using a simple serial communication protocol such as SPI or I2C.

  4. What are some common applications of the 93LC66B/ST?

    • Common applications include storing configuration data, calibration values, and other small amounts of non-volatile data in embedded systems.

  5. What are the typical operating conditions for the 93LC66B/ST?

    • The 93LC66B/ST operates within a wide voltage range, typically from 2.5V to 5.5V, and at temperatures ranging from -40°C to 125°C.

  6. How do you write data to the 93LC66B/ST?

    • Data is written to the 93LC66B/ST by sending a sequence of commands and the desired data through the chosen serial interface.

  7. Can the 93LC66B/ST be used in automotive applications?

    • Yes, the 93LC66B/ST is often used in automotive electronics due to its reliability and wide operating temperature range.

  8. What are the typical programming times for the 93LC66B/ST?

    • Programming times are relatively fast, typically taking only a few milliseconds to write a single byte of data.

  9. Does the 93LC66B/ST support data protection features?

    • Yes, the 93LC66B/ST includes built-in write protection features to prevent accidental modification of stored data.

  10. Are there any special considerations for PCB layout when using the 93LC66B/ST?

    • It's important to ensure proper decoupling and signal integrity practices are followed, especially for the serial communication lines, to minimize noise and interference.