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DS2405P Datasheet(PDF) 1 Page - Dallas Semiconductor |
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DS2405P Datasheet(HTML) 1 Page - Dallas Semiconductor |
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1 / 15 page  1 of 15 102299 FEATURES § 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 4 mA at 0.4V § Multiple DS2405’s 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 16.3 kbits/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 PIN ASSIGNMENT TSOC PACKAGE PIN DESCRIPTION TSOC Pin 1 - Ground Pin 1 - Ground Pin 2 - Data Pin 2 - Data Pin 3 - PIO Pin 3 - PIO Pin 4 - Ground Pin 4-6 -No Connect DS2405 Addressable Switch www.dalsemi.com TOP VIEW TOP VIEW 3.7 X 4.0 X 1.5 GND DATA PIO NC NC NC BOTTOM VIEW See Mech. Drawings Section TO-92 DS2405 2 3 1 1 2 3 |
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