Serial Eeprom, 4Kbit, 2Mhz, Soic-8; Memory Size:4Kbit; Eeprom Memory Configuration:512 X 8Bit; 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 93LC66A-I/SN

93LC66A-I/SN – 4Kbit Microwire Serial EEPROM – Microchip Technology

The 93LC66A-I/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. This low-power, surface-mount device offers a simple Microwire interface and broad operating voltage, making it an excellent choice for system configuration, parameter storage, and data logging. PCX ensures this high-quality component is available with fast shipping and dedicated customer support.

Key Features

• Memory Size: 4Kbit (512 x 8 organization)
• Interface: Serial Microwire
• Clock Frequency: 2 MHz
• Voltage Range: 2.5V to 5.5V
• Operating Temperature: -40°C to 85°C
• Package: 8-SOIC (Surface Mount)
• Write Cycle Time: 6ms (Word/Page)

Technical Details

This EEPROM IC features a non-volatile memory format, ensuring data retention without power. The memory is organized as 512 words of 8 bits each, accessed via a simple 3-wire Microwire serial interface. It operates across an industrial temperature range and is supplied in a compact 8-SOIC package, ideal for space-constrained PCB designs. The device is RoHS compliant, meeting modern environmental standards.

Applications

• Consumer Electronics for settings and calibration storage
• Industrial Control Systems for parameter and log storage
• Automotive Electronics for non-critical data retention
• Medical Devices for configuration and usage data
• Communications Equipment for firmware and setup storage

About the Manufacturer

Microchip Technology Inc. is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions, known for its extensive portfolio of high-quality, reliable semiconductor products. The company’s commitment to innovation and excellence has made it a trusted name in the electronics industry, serving a diverse global customer base across multiple sectors.

With a strong focus on quality and reliability, Microchip’s products are designed to meet the rigorous demands of modern electronic applications, from industrial automation to consumer gadgets. Their robust manufacturing processes and stringent quality controls ensure that every component, including the 93LC66A series, delivers consistent performance and longevity.

About Serial EEPROM Memory ICs

Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) ICs are a type of non-volatile memory used for storing small amounts of data that must be retained when power is removed. They are characterized by their ability to be electrically erased and reprogrammed, making them ideal for applications requiring frequent updates to stored information, such as user settings, calibration data, or historical logs.

These memory devices are essential in modern electronics due to their low power consumption, small footprint, and simple interface protocols like Microwire, SPI, and I2C. They provide a reliable and cost-effective solution for data storage in everything from embedded systems and IoT devices to automotive modules and medical instruments, ensuring critical information is preserved across power cycles.

Packaging Options

This product is available in Tube packaging. PCX can accommodate various quantity needs—contact our support team for specific packaging requirements or large volume orders.

Frequently Asked Questions

Question: What is the typical write endurance of this EEPROM?

Answer: This device typically supports 1,000,000 erase/write cycles per byte, ensuring reliable long-term data storage.

Question: Is the 93LC66A-I/SN RoHS compliant?

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

Question: What is the data retention period for this memory IC?

Answer: It offers a minimum data retention of 200 years, guaranteeing data integrity over the product’s lifespan.

Question: Can this EEPROM operate at 3.3V?

Answer: Yes, its wide voltage range of 2.5V to 5.5V includes 3.3V operation, making it versatile for various systems.

Question: Is a datasheet available for this product?

Answer: Yes, the detailed datasheet can be accessed on our product page or by contacting PCX support for assistance.

Question: What is the meaning of the ‘I’ in the part number 93LC66A-I/SN?

Answer: The ‘I’ indicates the industrial temperature range (-40°C to 85°C), suitable for harsh environments.

Order Today for Fast Delivery!

Ensure your project has the reliable components it needs—purchase the 93LC66A-I/SN from PCX today for quick shipping and expert support. Our inventory is ready to ship, so you can meet your deadlines without delay.

Note: Product image is representational; please verify specifications before purchase. Datasheet available on PCXCo.com.