DS9490 Maxim Integrated Products, Inc., DS9490 Datasheet - Page 3

• Manufacturer Part Number: DS9490
• Description: Ds9490, Ds9490b, Ds9490r Usb To 1-wire/ibutton Adapter
• Manufacturer: Maxim Integrated Products, Inc.

PIN CONFIGURATION
Figure 4. 1-WIRE RJ11 SOCKET FOR DS9490R
Figure 5. iBUTTON SOCKET FOR DS9490B
*Note: The data contact faces down and away from the embossed ‘i’. Once the iButton is inserted in the
PIN
PIN
1
2
3
4
5
6
1
2
enclosure, snap the end cap over it. The end cap is removed by depressing the release tab with a
paper clip, swinging it fully open, and sliding out the hinge.
V
GND
OW
GND_OW
SUSO
N.C.
OW
GND_OW
DD
SIGNAL
SIGNAL
NAME
NAME
2
5VDC Output
Power Ground
1-Wire Data
1-Wire Return
USB Suspend Output
No Connection
1-Wire Data
1-Wire Return
DESCRIPTION
DESCRIPTION
1
*
3 of 5
Looking into Female RJ11
6
5
Connector
4
3
2
1
DS9490