Manufacturer Part Number
AT93C66B-XHM-T
Manufacturer
Microchip Technology
Introduction
The AT93C66B-XHM-T from Microchip Technology is a 4Kbit EEPROM memory chip with a serial interface.
Product Features and Performance
Non-Volatile EEPROM Memory
Memory Size of 4Kbit
Organized as 512 x 8 or 256 x 16 bits
Three-Wire Serial Interface
2 MHz Clock Frequency
5ms Write Cycle Time for Word or Page
Wide Voltage Supply Range from 1.7V to 5.5V
Operational Temperature Range from -40°C to +85°C
Product Advantages
Robust storage solution with high reliability
Compatibility with low-voltage and high-voltage systems
Fast write operations suitable for performance-intensive applications
Small form factor TSSOP package for space-constrained applications
Key Technical Parameters
Memory Type: EEPROM
Memory Format: 4Kbit
Memory Interface: 3-Wire Serial
Clock Frequency: 2 MHz
Write Cycle Time: 5ms
Voltage Supply Range: 1.7V - 5.5V
Operating Temperature: -40°C to 85°C
Package: 8-TSSOP
Quality and Safety Features
Dependable data retention with EEPROM technology
Wide operating temperature suitable for harsh environments
Compatibility
Compatible with microcontrollers requiring 3-Wire Serial EEPROM interface
Application Areas
Consumer Electronics
Industrial Automation
Automotive Systems
Networking Equipment
Medical Devices
Product Lifecycle
Active status product with ongoing manufacturer support
No indication of nearing discontinuation with ongoing availability of newer versions
Several Key Reasons to Choose This Product
Reliable data retention across a wide range of voltages and temperatures
Fast access times with a high-frequency clock
Flexible organization enabling 8-bit or 16-bit memory configuration
Ease of integration with surface mount technology compatible design
Proven track record of quality from Microchip Technology
The device is actively supported and not at risk for near-term obsolescence
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