Server: Netscape-Enterprise/2.01 Date: Fri, 21 Nov 1997 04:58:27 GMT Accept-ranges: bytes Last-modified: Fri, 14 Nov 1997 15:39:06 GMT Content-length: 5027 Content-type: text/html Dallas Semiconductor Corp: DS75 2-Wire Thermal Watchdog Product Announcement
Dallas Semiconductor Corporation

DS75 2-Wire Thermal Watchdog

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Product Features

The DS75 2-Wire Thermal Watchdog is a drop-in replacement for the National Semiconductor LM75CIM-x, a widely used 2-wire temperature sensor in personal computers. It is fully software- and pinout-compatible with the LM75 in the power-on default mode, but offers two advantages over the National product. The first is that resolution of the temperature reading can be adjusted to 10, 11, or 12 bits from the default value of 9 by changing two bits in the SRAM configuration register. These two configuration bits are undefined in the LM75, so changing them will not lose functionality. The second advantage is that only one DS75 part will cover the full power supply range of 2.7V < VDD < 5.5V while maintaining the specified accuracy of ±2.0°C over the range -25°C to +100°C and ±3.0°C over the range -55°C to +125°C.

Key Features

Packages

Applications

The DS75 is well-suited for the broad computing market, including desktop, mobile, workstations, and servers. With the addressability of the DS75, multipoint sensing within one platform allows monitoring of the CPU, power converters, PCMCIA sockets, video drivers, and docking station. Non-PC applications include printers, fax machines, copiers, or any microcontroller-based, thermally sensitive system.

Availability

Factory Contacts

Mike Overlaur, Product Manager
Tel: (972) 371-6167
Fax: (972) 371-3717
E-mail: mike.overlaur@dalsemi.com

Datasheets and other product information available from:
Fax-on-demand: (972) 371-4441
FTP Site: ftp://ftp.dalsemi.com/
World Wide Web: http://www.dalsemi.com/
Data Sheets and Application Notes


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