DS2405

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产品详情

Open-drain PIO pin is controlled by matching 64-bit, laser-engraved registration number associated with each device
Logic level of open drain output can be determined over 1-Wire® bus for closed-loop control
PIO pin sink capability is greater than 4mA at 0.4V
Multiple DS2405s can be identified on a common 1-Wire bus and be turned on or off independent of other devices on the bus
Unique, factory-lasered and tested 64-bit registration number (8-bit family code +48-bit serial number +8-bit CRC tester) assures absolute identity because no two parts are alike
Built-in multidrop controller ensures compatibility with other MicroLAN products
Reduces control, address, data, and power to a single data pin
Directly connects to a single port pin of a microprocessor and communicates at up to 16.3kbits/s
8-bit family code specifies DS2405 communications requirements to reader
8-bit cyclic redundancy check ensures error-free selection
Zero standby power required
Low cost TO-92, SOT-223, or 6-pin TSOC surface mount package
1-Wire communication operates over a wide voltage range of 2.8V to 6.0V from -40°C to +85°C

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