Serial Eeprom, 1Kbit, 2Mhz, Dip-8; Memory Configuration:64 X 16Bit; Interfaces:Microwire; Clock Frequency Max:2Mhz; Ic Case/Package:Dip; No. Of Pins:8Pins; Supply Voltage Min:2.5V; Supply Voltage Max:5.5V; Ic Mounting:Through Hole Rohs Compliant: Yes |Microchip 93LC46B-I/P

93LC46B-I/P – 1Kbit Serial EEPROM – Microchip Technology

PCX offers the Microchip 93LC46B-I/P, a reliable 1Kbit serial EEPROM IC designed for non-volatile data storage in a wide range of electronic applications. This through-hole memory device features Microwire interface support, low voltage operation, and industrial temperature tolerance, making it an ideal solution for systems requiring robust, enduring memory performance.

Key Features

• Memory Size: 1Kbit organized as 64 x 16
• Interface: Microwire-compatible serial interface
• Clock Frequency: Up to 2 MHz
• Voltage Range: 2.5V to 5.5V
• Operating Temperature: -40°C to 85°C
• Mounting Type: Through Hole (8-DIP package)
• Write Cycle Time: 6ms (word or page)

Technical Details

The 93LC46B-I/P EEPROM from Microchip Technology provides non-volatile storage with a simple 3-wire serial interface. Its 64 x 16 organization allows flexible data handling, while the wide operating voltage range ensures compatibility with both 3.3V and 5V systems. The device operates across industrial temperature ranges and is offered in a standard 8-pin DIP package for easy integration into through-hole PCB designs.

Applications

• Industrial control systems
• Automotive electronics
• Consumer appliances
• Medical devices
• Communication equipment

About the Manufacturer

Microchip Technology is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Known for their technical excellence and innovation, Microchip products serve over 125,000 customers across industrial, automotive, consumer, aerospace, and communications markets worldwide.

The company maintains an unwavering commitment to quality and reliability, with products designed to meet the most demanding specifications. Microchip’s extensive product portfolio and continued investment in research and development make them a trusted partner for embedded control solutions.

About Serial EEPROMs

Serial EEPROMs (Electrically Erasable Programmable Read-Only Memory) provide non-volatile data storage with byte-level rewrite capability. Unlike parallel memory interfaces, serial EEPROMs use simple communication protocols (like Microwire, SPI, or I²C) that require fewer I/O pins, making them ideal for space-constrained applications where microcontroller pin count is limited.

These memory ICs are essential for storing configuration data, calibration values, user settings, and other critical information that must be preserved when power is removed. Their durability, low power consumption, and small form factors make serial EEPROMs fundamental components in countless electronic systems across all industries.

Packaging Options

This product is available in tube packaging. Contact PCX for specific packaging quantities and options to meet your production requirements.

Frequently Asked Questions

Question: What is the endurance rating of this EEPROM?

Answer: The 93LC46B-I/P typically supports 1,000,000 erase/write cycles per byte, ensuring reliable long-term data storage.

Question: Is this EEPROM compatible with 3.3V systems?

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

Question: Does this memory IC require external pull-up resistors?

Answer: The Microwire interface may require appropriate pull-up resistors on the CS, SK, and DI lines depending on your specific implementation.

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

Answer: The 93LC46B-I/P offers a minimum data retention of 200 years, ensuring your critical data remains intact long-term.

Question: Can this EEPROM operate in automotive environments?

Answer: While this commercial-grade version operates from -40°C to 85°C, automotive applications may require specific automotive-qualified versions for extended temperature ranges.

Question: Is the datasheet available for this component?

Answer: Yes, the complete technical datasheet is available on our product page for detailed specifications and application information.

Note: Product image is representational. Please refer to datasheet for exact specifications.

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PCX ensures genuine Microchip components with reliable inventory, fast shipping, and expert technical support. Add the 93LC46B-I/P to your project with confidence—order now to secure stock and avoid production delays!

Datasheet: 93LC46B-I/P Technical Documentation