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DS2490S

12.90 €

USB to 1-Wire Bridge Chip

Not Recommended for New Designs

The DS2490S 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
DS2490S and communicate with attached 1-Wire devices.

Features

Communicates at regular and overdrive 1-Wire 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 characteristics accommodate a wide range of 1-Wire network configurations
Low- to high-level command types, including macros, for generating 1-Wire communication
Crystal oscillator timebase provides precision timed 1-Wire waveforms
High-speed 12Mbps Universal Serial Bus (USB) interface
Integrated USB-compliant transceiver
Supports USB remote wake-up from a 1-Wire device event to resume a suspended host system
0°C to +70°C operating temperature range

Product No.: 72194
EUR 12.90 incl. 19% VAT plus Shipping costs

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Datasheet: Download
Manufacturer: Maxim