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Dallas Semiconductor Corp: DS2118M Ultra2 LVD/SE SCSI Terminator Product Announcement
DS2118M Ultra2 LVD/SE Multimode
SCSI Terminator

Product Features
The DS2118M Ultra2 LVD/SE Multimode SCSI Terminator provides termination for the emerging Low Voltage Differential (LVD) Ultra2 SCSI specifications. In addition, the multimode operation provides single-ended (SE) termination for legacy SCSI-1, Fast SCSI, and Ultra SCSI devices. The nine-line terminator contains circuitry to determine if the bus requires SE or LVD termination and automatically selects the proper operating mode. The DS2118M was designed for a low input capacitance of 3 pF that is necessary to support Ultra2 SCSI transfer rates of 40MHz. The DS2118M comes in a 36-pin SSOP package (DS2118MB).
Key Features
- Fully compliant with emerging Ultra2 SCSI specifications in LVD mode
- Fully compliant with SCSI-1, Fast SCSI and Ultra SCSI standards in the SE mode
- Provides multimode LVD/SE termination for 9 signal-line pairs
- 5% tolerance on both SE and LVD termination resistance
- Mode-sensing circuitry automatically configures DS2118M for proper termination operation
- Low power-down capacitance of 3 pF
- Onboard thermal shutdown circuitry
- SCSI bus hot plug-compatible
- Fully supports active negation in SE mode
Packages/Speeds
The DS2118M is available in a 36-pin SSOP. Tape & reel is also available.
Applications
High end PCs, workstations, SCSI host bus adapters, terminated cable assemblies, terminated connectors, RAID systems, SCSI peripherals.
Availability
- Samples: Samples - NOW
- Production: volume in December 1997
- DS2118M data sheet is available on Dallas Semiconductor's Web site.
Factory Contact
Charles Tashbook, Product Manager
Tel: (972) 371-4110
Fax: (972) 371-3715
E-mail:
Charles.Tashbook@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/
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