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AT93C66W-10SI - High-Performance 4Kbit EEPROM Memory IC

The AT93C66W-10SI from Microchip Technology is a reliable 4Kbit EEPROM memory solution featuring a 3-wire serial interface, ideal for embedded systems requiring non-volatile data storage. This industrial-grade memory IC operates at 2MHz clock frequency and supports dual memory organization (512 x 8 or 256 x 16), providing flexible configuration options for diverse applications.

Key Features & Benefits

  • 4Kbit Non-Volatile EEPROM - Retains data without power, perfect for configuration storage and data logging
  • 3-Wire Serial Interface - Minimizes pin count and simplifies PCB design
  • Dual Organization Support - 512 x 8 or 256 x 16 bit configuration flexibility
  • Industrial Temperature Range - Operates reliably from -40°C to 85°C for harsh environments
  • Surface Mount 8-SOIC Package - Compact 3.90mm width design for space-constrained applications
  • Low Power Operation - 4.5V to 5.5V supply voltage range
  • Fast Write Cycle - 10ms write cycle time for efficient data updates

Applications

The AT93C66W-10SI is perfectly suited for:

  • Industrial control systems and automation equipment
  • Consumer electronics requiring configuration storage
  • Automotive electronics and instrumentation
  • Medical devices and diagnostic equipment
  • Telecommunications and networking hardware
  • Security systems and access control

Why Choose HQICKEY?

At HQICKEY, we specialize in providing authentic, high-quality semiconductor components with fast shipping and expert technical support. Our extensive inventory ensures you get the components you need when you need them.

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Technical Resources & Support

Need technical guidance or application support? Visit our News & Technical Blog for the latest semiconductor industry insights, application notes, and product updates.

Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tube |
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 4Kbit
Memory Organization 512 x 8, 256 x 16
Memory Interface 3-Wire Serial
Clock Frequency 2 MHz
Write Cycle Time - Word, Page 10ms
Access Time -
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC