DS1490F Datasheet (Dallas Semiconductor)

DS1490F, 2-in-1 Fob

The 2-in-1 Fob has a DS2490 chip in its handle to convert 1-Wire signaling to USB communication.

In this way an iButton, 1-Wire chip, or 1-Wire instrument can have a 2-way communication link with its USB host.

Any iButton from the lowest cost to the most sophisticated can be mounted in the angled en

DS1490F Features

* 1-Wire® to USB port adapter for direct connection to notebook and desktop computers Any iButton™ mounts in the ergonomically angled handle for touch-and-go applications such as door entry Fast, convenient computer log on with data rates up to142k bits/second from the 1-Wire signal USB guard protects