DS9490 Maxim Integrated Products, Inc., DS9490 Datasheet
DS9490
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DS9490 Summary of contents
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... DESCRIPTION The DS9490B is a USB bridge and holder for a single F5-size iButton. The iButton is securely held behind a latched door. The DS9490R is a USB bridge with 1-Wire RJ11 interface to accommodate 1- Wire receptacles and networks. The DS1402D-DR8 (Blue Dot™) can readily be used in conjunction with the DS9490R to create an iButton PC reader ...
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... Figure 1. DS9490R Figure 2. DS9490B *Note: To eject an iButton, insert a straightened paper clip into the side access hole of the DS9490B. Push the paper clip in the direction of the iButton. A different iButton can then be inserted. The data contact faces down and away from the embossed ‘i’. Before inserting the paper clip disconnect the DS9490B from the USB bus ...
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... PIN CONFIGURATION Figure 4. 1-WIRE RJ11 SOCKET FOR DS9490R SIGNAL PIN DESCRIPTION NAME 1 V 5VDC Output DD 2 GND Power Ground OW 1-Wire Data 3 GND_OW 1-Wire Return 4 SUSO USB Suspend Output 5 6 N.C. No Connection Figure 5. iBUTTON SOCKET FOR DS9490B SIGNAL PIN DESCRIPTION NAME OW 1-Wire Data ...
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... MECHANICAL DIMENSIONS All dimensions are in millimeters. Figure 6. DS9490R 3.12 Figure 7. DS9490B 24.94 16.54 ENVIRONMENTAL REQUIREMENTS CONDITION Storage Temperature Storage Relative humidity, noncondensing Storage Duration Operating Temperature Operating Relative humidity, noncondensing 11.66 42.65 13.89 56.82 PARAMETER 20.42 21.54 11.66 8.74 3.28 VALUE -10°C to +85°C 95% 1yr (max) at 95%RH and +85°C 0°C to +70°C 80% ...
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... See the DS2490 data sheet for the conditions where SUSO is active. Revision C of the DS9490R and all revisions of the DS9490R# have SUSO routed to the RJ11 connector. The availability of SUSO at the RJ11 connector is not production tested. Therefore, before relying on SUSO in an application, first verify the presence of this signal with the particular adapter ...