Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
AT93C66B-SSHM-T

AT93C66B-SSHM-T

Product Overview

Category

AT93C66B-SSHM-T belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for non-volatile storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

  • Non-volatile: Retains data even when power is removed.
  • Electrically erasable: Allows for easy modification of stored data.
  • Small form factor: Compact size suitable for integration into various devices.
  • Low power consumption: Efficient energy usage.
  • High reliability: Provides stable and secure data storage.

Package

AT93C66B-SSHM-T is available in a surface-mount package. It is designed to be mounted directly onto printed circuit boards (PCBs) without the need for additional connectors.

Essence

The essence of AT93C66B-SSHM-T lies in its ability to store and retrieve data reliably, making it an essential component for many electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of AT93C66B-SSHM-T chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Memory capacity: 4 kilobits (512 x 8 bits)
  • Operating voltage: 2.5V to 5.5V
  • Operating temperature range: -40°C to +85°C
  • Data retention: Up to 200 years
  • Write endurance: 1 million write cycles

Detailed Pin Configuration

The AT93C66B-SSHM-T chip has a total of 8 pins, which are assigned specific functions:

  1. Chip Select (/CS): Enables or disables the chip for communication.
  2. Serial Clock (SCK): Provides the clock signal for data transfer.
  3. Serial Data Input (DI): Receives data from the external device.
  4. Serial Data Output (DO): Transmits data to the external device.
  5. Write Enable (/W): Controls the write operation.
  6. VCC: Power supply voltage.
  7. Ground (GND): Common ground reference.
  8. NC: No connection.

Functional Features

  • Sequential read and write operations: Allows for efficient data access.
  • Software and hardware protection: Ensures data security.
  • Self-timed programming cycle: Simplifies integration into various systems.
  • Fast write cycle time: Reduces overall processing time.
  • Automatic page write: Facilitates batch data programming.

Advantages and Disadvantages

Advantages

  • Compact size enables integration into space-constrained devices.
  • High reliability ensures data integrity.
  • Low power consumption prolongs battery life.
  • Versatile application in various electronic devices.
  • Easy modification of stored data.

Disadvantages

  • Limited memory capacity compared to other storage solutions.
  • Relatively slower read and write speeds compared to some alternatives.
  • Vulnerable to electromagnetic interference.

Working Principles

AT93C66B-SSHM-T utilizes a combination of electrically erasable and programmable memory technologies. It stores data by trapping charges within a floating gate, which can be erased or programmed using electrical signals. The stored data can be accessed sequentially through a serial interface.

Detailed Application Field Plans

AT93C66B-SSHM-T finds applications in a wide range of electronic devices, including but not limited to: - Microcontrollers - Computers - Consumer electronics (e.g., smartphones, tablets) - Automotive electronics - Industrial control systems - Medical devices

Detailed and Complete Alternative Models

Some alternative models to AT93C66B-SSHM-T include: - AT93C46B-SSHM-T: Similar functionality with a smaller memory capacity. - AT93C86B-SSHM-T: Similar functionality with a larger memory capacity. - 24LC64-I/P: EEPROM chip from Microchip Technology with similar specifications.

These alternative models offer different memory capacities and may have slight variations in features and pin configurations. It is important to consider the specific requirements of the application when selecting an alternative model.

Word count: 581 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT93C66B-SSHM-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT93C66B-SSHM-T in technical solutions:

  1. Q: What is AT93C66B-SSHM-T? A: AT93C66B-SSHM-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology.

  2. Q: What is the storage capacity of AT93C66B-SSHM-T? A: AT93C66B-SSHM-T has a storage capacity of 4 kilobits (512 bytes).

  3. Q: What is the operating voltage range for AT93C66B-SSHM-T? A: The operating voltage range for AT93C66B-SSHM-T is typically between 2.5V and 5.5V.

  4. Q: How can AT93C66B-SSHM-T be interfaced with a microcontroller? A: AT93C66B-SSHM-T uses a standard SPI (Serial Peripheral Interface) protocol for communication with a microcontroller.

  5. Q: Can AT93C66B-SSHM-T be used for storing program code? A: No, AT93C66B-SSHM-T is primarily designed for storing small amounts of non-volatile data, such as configuration settings or calibration data.

  6. Q: What is the maximum operating frequency of AT93C66B-SSHM-T? A: The maximum operating frequency of AT93C66B-SSHM-T is typically 5 MHz.

  7. Q: Does AT93C66B-SSHM-T support write protection? A: Yes, AT93C66B-SSHM-T provides hardware write protection through the use of a write protect pin.

  8. Q: Can AT93C66B-SSHM-T be used in automotive applications? A: Yes, AT93C66B-SSHM-T is qualified for automotive applications and can withstand harsh environmental conditions.

  9. Q: What is the typical data retention time of AT93C66B-SSHM-T? A: The typical data retention time of AT93C66B-SSHM-T is 200 years.

  10. Q: Is AT93C66B-SSHM-T RoHS compliant? A: Yes, AT93C66B-SSHM-T is RoHS (Restriction of Hazardous Substances) compliant, ensuring it meets certain environmental standards.

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