The CAT93C66PI-2.7 is a 4kb Microwire Serial EEPROM manufactured by Catalyst Semiconductor. It is organized as either 256 x 16-bit words or 512 x 8-bit words, selectable through the ORG pin. This device features a simple serial interface using the Microwire protocol, facilitating easy integration in various applications.

Applications

• Consumer electronics
• Industrial control systems
• Medical devices
• Automotive electronics
• Remote controls
• Appliance control
• Data storage for microcontrollers

Features

• 4Kb Serial EEPROM: Configurable as 256 x 16 or 512 x 8 bits.
• Microwire Interface: Compatible with standard Microwire protocol.
• Low Voltage Operation: Operates from a single 2.7V to 5.5V supply.
• Low Power Consumption: Offers low active and standby current.
• Self-Timed Write Cycle: Internal timer for automatic write cycle completion.
• Write Protect Feature: Hardware write protection for the entire memory array.
• High Reliability: Offers excellent endurance and data retention.
• Package Options: Available in PDIP and SOIC packages.

Benefits

• Easy Integration: The Microwire interface simplifies integration with microcontrollers.
• Low Power: Suitable for battery-powered applications.
• Data Retention: Ensures long-term data storage without data loss.
• Write Protection: Prevents accidental data corruption.
• Flexible Configuration: Configurable memory organization to suit various needs.

Additional Details

The CAT93C66PI-2.7 utilizes a 3-wire Microwire interface consisting of Serial Data Input (DI), Serial Data Output (DO), and Serial Clock (SK) lines. The device also includes a Chip Select (CS) pin to enable communication. The organization of the memory (256 x 16 or 512 x 8) is determined by the voltage level applied to the ORG pin. The CAT93C66PI-2.7 is available in different temperature ranges for diverse operating environments.