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UC5601N Datasheet(PDF) 1 Page - Texas Instruments |
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UC5601N Datasheet(HTML) 1 Page - Texas Instruments |
1 / 6 page • Complies with SCSI, SCSI-2 Standards • 10pF Channel Capacitance During Disconnect • Active Termination for 18 Lines • Logic Command Disconnects all Termination Lines • Low Supply Current in Disconnect Mode • Trimmed Regulator for Accurate Termination Current • Current Limit and Thermal Shutdown Protection • 110 Ohm Termination • Meets SCSI Hot Plugging The UC5601 provides precision resistive pull-up to a 2.9V reference for all 18 lines in a Small Computer Systems Interface (SCSI) bus cable. The SCSI-2 standard recommends active termination at both ends of every ca- ble segment utilizing single ended drivers and receivers. Internal circuit trimming is utilized, first to reduce resistor tolerances to ±3% and then to adjust the regulator’s output voltage to insure termination cur- rent accuracy of ±3%. The UC5601 provides a disconnect feature which, upon a logic command, disconnects all terminating resistors, and turns off the regulator; greatly re- ducing standby power. Other features include negative clamping on all signal lines, 20mA of active negation sink current capability, regulator current limiting, and thermal shut- down protection. This device is offered in low thermal resistance versions of the industry standard 28 pin wide body SOIC and PLCC, as well as a 24 pin DIL plastic package. UC5601 SCSI Active Terminator FEATURES DESCRIPTION BLOCK DIAGRAM Circuit Design Patented 10/94 UDG-94060 |
Similar Part No. - UC5601N |
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Similar Description - UC5601N |
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