Manufacturer Part Number
AT93C66B-MEHM-T
Manufacturer
microchip-technology
Introduction
The AT93C66B is a 4Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) device organized as 256 words by 16 bits or 512 words by 8 bits. It features a 3-wire serial interface and operates over a wide voltage range of 1.7V to 5.5V, making it suitable for a variety of applications, including automotive, industrial, and consumer electronics.
Product Features and Performance
4Kbit EEPROM memory organized as 256 x 16 or 512 x 8
3-wire serial interface
Operating voltage range of 1.7V to 5.5V
Maximum clock frequency of 2 MHz
Fast word/page write cycle time of 5ms
Wide operating temperature range of -40°C to +85°C
Automotive-grade qualification to AEC-Q100
Surface mount 8-XFDFN package
Product Advantages
Wide voltage range operation for versatile applications
Fast write cycle time for efficient data storage and updates
Automotive-grade qualification for reliable performance in harsh environments
Small footprint 8-XFDFN package for space-constrained designs
Key Reasons to Choose This Product
Robust and reliable EEPROM solution for automotive, industrial, and consumer applications
Flexible voltage operation and high-speed interface for easy integration
Automotive-grade qualification ensures long-term reliability and performance
Compact package size enables miniaturization of end products
Quality and Safety Features
Automotive-grade qualification to AEC-Q100
Robust design for reliable operation in harsh environments
Rigorous quality control and testing processes
Compatibility
The AT93C66B is a standard EEPROM device that is compatible with a wide range of microcontrollers and processors with 3-wire serial interfaces.
Application Areas
Automotive electronics (e.g., engine control units, body control modules, infotainment systems)
Industrial automation and control systems
Consumer electronics (e.g., home appliances, remote controls)
General-purpose non-volatile data storage and configuration
Product Lifecycle
The AT93C66B is an obsolete product, and Microchip Technology no longer manufactures this specific model. However, there are several equivalent and alternative EEPROM products available from Microchip, such as the AT93C46B, AT93C56B, and AT93C66C. Customers are advised to contact our website's sales team for more information on suitable replacement options.