Microchip Technology

93LC46-I/SN

93LC46-I/SN Description

The 93LC46-I/SN from Microchip Technology is a 1Kbit (128 x 8 or 64 x 16) serial EEPROM with a Microwire interface, designed for reliable non-volatile data storage in embedded systems. Operating within a 2.5V to 5.5V supply range, it supports a 2 MHz clock frequency, ensuring efficient data transfer. With a 10ms write cycle time (word/page), it balances speed and endurance, making it suitable for frequent updates. The device is housed in an 8-SOIC package, optimized for surface-mount applications, and complies with ROHS3 and REACH environmental standards. Its Moisture Sensitivity Level (MSL) 1 rating ensures robustness in manufacturing and handling.

93LC46-I/SN Features

• Memory Organization: Configurable as 128 x 8-bit or 64 x 16-bit for flexible data storage.
• Low-Power Operation: Wide voltage range (2.5V–5.5V) supports battery-powered and low-energy designs.
• High-Speed Interface: Microwire protocol with 2 MHz clock frequency for fast read/write operations.
• Endurance & Retention: 1 million write cycles and 200-year data retention ensure long-term reliability.
• Compact & Robust: 8-SOIC package with MSL 1 rating for easy integration into space-constrained PCB designs.
• Compliance: ROHS3, REACH Unaffected, and EAR99 certified for global deployment.

93LC46-I/SN Applications

• Industrial Automation: Stores calibration data, device configurations, and event logs in PLCs and sensors.
• Consumer Electronics: Retains user settings in smart home devices, wearables, and IoT peripherals.
• Automotive Systems: Non-volatile memory for infotainment, dashboard controls, and firmware backups.
• Medical Devices: Securely stores patient data and operational parameters in portable diagnostic equipment.
• Embedded Systems: Ideal for firmware storage in microcontrollers, ensuring persistence across power cycles.

Conclusion of 93LC46-I/SN

The 93LC46-I/SN stands out for its flexible memory organization, low-power operation, and industrial-grade durability. Its Microwire interface and wide voltage range make it a versatile choice for applications demanding reliable, high-performance EEPROM storage. Whether in automotive, industrial, or consumer electronics, this device delivers endurance, speed, and compliance in a compact form factor, aligning with modern design requirements.