Microchip Technology

93LC56/SN

93LC56/SN Description

The 93LC56/SN from Microchip Technology is a 2Kbit Microwire-compatible serial EEPROM, designed for reliable non-volatile data storage in embedded systems. Organized as 256 x 8 or 128 x 16, it operates across a 2.5V to 5.5V supply range, making it versatile for both low-power and standard voltage applications. With a 2 MHz clock frequency and 10ms write cycle time, it balances speed and endurance, suitable for frequent read/write operations. The device is housed in an 8-SOIC package, optimized for surface-mount assembly, and complies with RoHS3 and REACH environmental standards. Its 3 (168 Hours) MSL rating ensures robustness in manufacturing environments.

93LC56/SN Features

• Memory Interface: Utilizes Microwire (3-wire serial) for simple integration with microcontrollers.
• Flexible Organization: Supports 8-bit or 16-bit data configurations for diverse system requirements.
• Wide Voltage Range: Operates from 2.5V to 5.5V, ideal for battery-powered and industrial applications.
• High Reliability: 10,000 erase/write cycles and 200-year data retention ensure long-term stability.
• Low Power Consumption: Optimized for energy-sensitive designs.
• Industrial Compliance: RoHS3, REACH Unaffected, and EAR99 classified for global deployment.

93LC56/SN Applications

• Automotive Electronics: Stores calibration data, VINs, or event logs in low-voltage ECUs.
• Consumer Electronics: Retains user settings in smart home devices, wearables, and IoT nodes.
• Industrial Control Systems: Preserves configuration parameters in PLCs, sensors, and instrumentation.
• Medical Devices: Safeguards critical firmware or calibration data in portable equipment.
• Telecom Infrastructure: Used in routers/modems for MAC address storage or firmware backup.

Conclusion of 93LC56/SN

The 93LC56/SN stands out for its Microwire simplicity, wide voltage tolerance, and industrial-grade endurance, making it a preferred choice for applications demanding compact, reliable EEPROM solutions. Its flexible memory organization and low-power operation cater to diverse embedded systems, while compliance with environmental standards ensures global usability. Whether for automotive, IoT, or industrial automation, this EEPROM delivers a robust balance of performance and cost-efficiency.