Serial Eeprom, 4Kbit, 2Mhz, Soic-8; Memory Size:4Kbit; Eeprom Memory Configuration:256 X 16Bit; Memory Interface Type:Serial Microwire; Clock Frequency:2Mhz; Memory Case Style:Soic; No. Of Pins:8Pins; Supply Voltage Min:2.5V; Supply Rohs Compliant: Yes |Microchip 93LC66B/SN

93LC66B/SN – 4Kbit Serial EEPROM – Microchip Technology

The 93LC66B/SN from Microchip Technology is a reliable 4Kbit serial EEPROM memory IC designed for non-volatile data storage in a wide range of electronic applications. Offering Microwire interface compatibility and low power operation, this component is ideal for systems requiring dependable memory retention. PCX ensures quick shipping and dedicated support for all your component needs.

Key Features

• Memory Size: 4Kbit organized as 256 x 16
• Interface: Serial Microwire
• Clock Frequency: 2 MHz
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature: 0°C to 70°C
• Package: 8-SOIC, surface mount
• Write Cycle Time: 6ms (word or page)

Technical Details

This EEPROM IC features a non-volatile memory format, ensuring data retention without power. With its Microwire serial interface, it supports efficient communication with microcontrollers and other digital systems. The device operates across a broad voltage range, making it versatile for various designs, and is housed in an 8-SOIC package for easy integration into PCB layouts.

Applications

• Data logging and storage systems
• Consumer electronics
• Industrial automation controls
• Automotive accessory modules
• Telecommunication devices

About the Manufacturer

Microchip Technology is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Known for their commitment to quality and innovation, Microchip products are widely used across industries for their reliability and performance. The company’s extensive portfolio supports a broad range of applications, from simple embedded systems to complex networked devices.

With a strong focus on customer success and technological advancement, Microchip continues to set industry standards. Their components, like the 93LC66B/SN EEPROM, are designed to meet rigorous requirements, ensuring long-term reliability and efficiency in end products.

About Serial EEPROM Memory ICs

Serial EEPROMs are integral components in modern electronics, providing non-volatile memory storage for configuration data, calibration settings, and other critical information. Their serial interface reduces pin count and simplifies board layout, making them ideal for space-constrained applications. These devices are essential for maintaining data integrity through power cycles and system resets.

Commonly used in conjunction with microcontrollers, serial EEPROMs support a variety of communication protocols, including Microwire, SPI, and I2C. Their ability to operate at low voltages and consume minimal power makes them suitable for battery-powered and portable devices, ensuring reliable performance across diverse environments.

Packaging Options

This product is available in tube packaging, suitable for prototyping and small to medium production runs. PCX provides flexible ordering options to meet your project requirements.

Frequently Asked Questions

Question: What is the data retention period for this EEPROM?

Answer: The 93LC66B/SN typically offers data retention of over 200 years, ensuring long-term reliability.

Question: Is this EEPROM compatible with 3.3V systems?

Answer: Yes, it operates from 2.5V to 5.5V, making it suitable for both 3.3V and 5V systems.

Question: Can I use this with an Arduino or Raspberry Pi?

Answer: Absolutely, it interfaces easily with popular development boards via its serial Microwire protocol.

Question: What is the maximum write endurance?

Answer: This device supports up to 1,000,000 write cycles per byte, ideal for frequently updated data.

Question: Does PCX provide technical support for this product?

Answer: Yes, PCX offers comprehensive customer support and access to datasheets and application notes.

Question: Is the 93LC66B/SN RoHS compliant?

Answer: Yes, this component is fully RoHS compliant, adhering to environmental standards.

Note: Product image is representational. Refer to the datasheet for exact specifications.

Download Datasheet

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