DS2490 Datasheet - Maxim Integrated

USB to 1-Wire Bridge Chip

DS2490 Features

* Communicates at regular and overdrive 1Wire® speeds

* Supports stiff 5V pullup for EEPROM, sensors, and crypto iButton®

* Slew rate controlled 1-Wire timing and active pullup to accommodate long 1-Wire network lines and reduce radiation

* Programmable 1-Wire timing and driver chara

DS2490 General Description

The DS2490 is a bridge chip that enables communication between a USB host system and a 1-Wire bus. It provides regular, overdrive, and flexible 1-Wire communication speeds and a full-speed 12Mbps connection to USB. USB vendor-specific commands defined in this specification are used to control the DS.

DS2490 Datasheet (1.35 MB)