Manufacturer Part Number
AT93C66A-10SI-2.7
Manufacturer
Microchip Technology
Introduction
The AT93C66A is a 4Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) organized as 512 x 8 or 256 x 16 bits.
Product Features and Performance
4Kbit EEPROM memory
512 x 8 or 256 x 16 bit organization
3-wire serial interface
2 MHz maximum clock frequency
10ms write cycle time
Operating voltage range of 2.7V to 5.5V
Operating temperature range of -40°C to 85°C
Product Advantages
Non-volatile memory with data retention up to 100 years
High endurance of 1 million write cycles
Low power consumption
Small 8-SOIC package
Key Technical Parameters
Memory Size: 4Kbit
Memory Organization: 512 x 8 or 256 x 16
Memory Interface: 3-Wire Serial
Write Cycle Time: 10ms
Operating Voltage: 2.7V to 5.5V
Operating Temperature: -40°C to 85°C
Package: 8-SOIC
Quality and Safety Features
RoHS non-compliant
Reliable and stable performance
Compatibility
Compatible with a wide range of microcontrollers and embedded systems
Application Areas
Automotive electronics
Industrial control systems
Consumer electronics
Telecommunications equipment
Product Lifecycle
The AT93C66A is an active product and is not nearing discontinuation. Replacement or upgraded products are available from Microchip Technology.
Key Reasons to Choose This Product
Proven reliability and long data retention
High endurance for frequent write cycles
Low power consumption for energy-efficient applications
Wide operating temperature range for harsh environments
Small and space-saving 8-SOIC package
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