DS28CM00R-A00+T

DS28CM00R-A00+T is an I²C/SMBus silicon serial number. It is a low-cost, electronic registration number to provides an absolutely unique identity that can be determined with the industry standard I²C and SMBus interface. The registration number is a factory-lasered, 64-bit ROM that includes a unique 48-bit serial number, an 8-bit CRC, and an 8-bit family code (70h). In SMBus mode, the DS28CM00 resets its communication interface if it detects a bus fault condition. It is used in applications such as printed circuit boards, unique serialization, accessory and peripheral identification, equipment registration and license management, and network node identification.

• SMBus-compatible I²C serial interface, 5V tolerant interface pins
• Supports 100KHz and 400KHz communication speeds
• Supply voltage range from 1.62V to 5.25V
• Standby current is 3µA maximum at (bus idle, VCC = 5.25V)
• Operating current is 200µA maximum at (bus active at 400KHz, VCC = 5.25V)
• Input capacitance is 40pF maximum at (-40°C to +85°C)
• SCL clock frequency is 400KHz maximum at (VCC ≥ 2.0V)
• Data hold time is 0.9µs maximum at (VCC ≥ 2.7V)
• Operating temperature range from -40°C to +85°C
• 5-pin SOT23 package

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