SCSI Termination Resistor network Low Voltage Differential (LVD) BB1020DT Series · SPI-2 (Ultra2) and SPI-3 (Ultra3) compliant · Each network contains LVD termination for up to 9 lines Superior high frequency performance Minimal stray capacitance and inductance Surface mountable with automatic pick and place equipment · · · Description Model BB1020DT is a SCSI LVD termination network designed to terminate high performance SPI-2 (Ultra2) and SPI-3 (Ultra3) bussed applications. Wide SCSI bus applications can be terminated with three BB1020DT networks and a linear regulator IC. For use in high-speed SCSI bus applications, the BB1020DT utilizes thick film resistors on a ceramic substrate with ball grid array (BGA) terminals. Resistors and solder balls reside on the same side of the ceramic substrate, resulting in the absolute minimum stray capacitance and inductance. Schematics R1 = 475 (18 places) R2 = 121 (9 places) Electrical 1 Resistance Nominal (R1 & R2) Absolute Tolerance Temperature Coefficient of Resistance Interlead Capacitance, Maximum Operating Temperature Range Power Rating (per network @ 70°C) 475Ω, 121Ω ±1% ±100 ppm/°C 0.1 pF -55°C to +125°C 1 Watt 1 Specification subject to change without notice. General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics’ own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com © TT electronics plc 04.12 SCSI Termination Resistor network Low Voltage Differential (LVD) BB1020DT Series Mechanical Solder Ball Finish (for non-RoHS) SnPbAg 10/88/2 Solder Ball Co-planarity 0.15 mm Substrate Material Al2O3 Resistor Material Cermet Ordering Information2 Reel Size (inches) Quantity/Reel RoHS compliant3 BB1020DT7 7 1000 No BB1020DTLF7 7 1000 Yes BB1020DT13 13 4000 No BB1020DTLF13 13 4000 Yes Outline Drawing Application Notes 2 Contact our customer service for custom designs and features. 3 Consult factory for availability. General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics’ own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com © TT electronics plc 04.12