Microchip Technology

93C46AT-I/ST

93C46AT-I/ST Description

The 93C46AT-I/ST from Microchip Technology is a 1Kbit (128 x 8) serial EEPROM with a Microwire-compatible interface, designed for reliable non-volatile data storage in embedded systems. Operating within a 4.5V to 5.5V supply range, it supports a 2MHz clock frequency, ensuring efficient data transfer. The device features a 2ms write cycle time (word/page) and is housed in an 8-pin TSSOP package, making it suitable for space-constrained applications. With RoHS3 compliance, MSL 1 (Unlimited) moisture sensitivity, and REACH unaffected status, it meets stringent environmental and reliability standards.

93C46AT-I/ST Features

• Memory Organization: 128 x 8 (1Kbit) for flexible data storage.
• High-Speed Interface: Microwire protocol at 2MHz for fast read/write operations.
• Low Power Consumption: Optimized for energy-sensitive applications.
• Robust Write Endurance: Supports 1 million write cycles with 100-year data retention.
• Surface-Mount Design: 8-TSSOP package for compact PCB integration.
• Wide Voltage Range: 4.5V–5.5V operation ensures compatibility with 5V systems.
• Industrial Reliability: RoHS3 compliant and REACH unaffected for global deployment.

93C46AT-I/ST Applications

• Automotive Electronics: Stores calibration data, VINs, and sensor configurations.
• Consumer Electronics: Firmware storage in smart appliances and IoT devices.
• Industrial Control Systems: Retains critical parameters in PLCs and motor controllers.
• Medical Devices: Secure memory for patient monitoring equipment.
• Telecommunications: Configuration storage in routers and baseband modules.

Conclusion of 93C46AT-I/ST

The 93C46AT-I/ST stands out for its high-speed Microwire interface, low-power operation, and industrial-grade reliability, making it ideal for applications demanding compact, non-volatile memory. Its wide voltage range and long-term data retention ensure compatibility with diverse 5V systems, while the TSSOP package optimizes space efficiency. Whether in automotive, medical, or industrial settings, this EEPROM delivers consistent performance and durability.