The 93LC66AT/ST is a high-quality EEPROM (Electrically Erasable Programmable Read-Only Memory) chip from Microchip Technology, a leading provider of smart, connected, and secure embedded control solutions. This device is part of the 93XX series, which is renowned for its reliable data storage and retrieval capabilities, making it an ideal choice for a wide range of applications in the industrial, automotive, and consumer electronics sectors.

Key Features

• Memory Size: The 93LC66AT/ST offers a memory size of 4K (4,096 bits), organized as either 256 x 16-bit or 512 x 8-bit, which can be selected via a simple external instruction. This flexibility allows designers to choose the best configuration for their specific application needs.
• Operating Voltage: This device operates within a voltage range of 2.5V to 5.5V, making it versatile for use in various circuitry that operates at different voltage levels.
• Communication: It uses the industry-standard 3-wire serial interface for communication, ensuring easy integration with most microcontrollers and processors.
• Temperature Range: The 93LC66AT/ST is designed to perform reliably across a wide temperature range of -40°C to +125°C, making it suitable for use in harsh environmental conditions.
• Packaging: This EEPROM comes in a compact TSSOP (Thin Shrink Small Outline Package) form factor, which is ideal for space-constrained applications.
• Self-Timed Erase and Write Cycles: The device includes automatic erase and write cycles, which simplifies the programming process and reduces software overhead.

Applications

The 93LC66AT/ST is designed for applications that require reliable and durable non-volatile memory storage. Its typical applications include configuration settings storage, device calibration data, small-scale program code storage, and any application where the integrity and retention of data are critical. The robustness and versatility of the 93LC66AT/ST make it a popular choice among engineers and designers for both new designs and legacy systems.