Thevenin Termination Compliant LVPECL Termination Excellent High Frequ

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Thevenin Termination Compliant LVPECL Termination Excellent High Frequ

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LVPECL Terminators
Thevenin Termination Compliant LVPECL Termination Excellent High Frequency Performance Slim Package Resistor Tolerance Channel Channel Cross Talk
Description
These integrated termination networks provide high performance line termination LVPECL busses. Specially designed shielding inside package combined with ceramic substrate virtually eliminates cross talk between channels that common other termination networks resistor arrays. packaging been proven reduce rework improve reliability.
Custom resistor values tolerances available upon request.
Schematic Diagram
LVPECL Thevenin Termination
Ohms Volts Volts
Thevenin 1.3Volts Ohms 82.5 Ohms
Typical Application
LVPECL DRIVERS LVPECL RECEVERS
Ordering Information
Part mber 1250B6 1250B7 Ohms Ohms 82.5 82.5 Bits Pitch(mm) 1.27 1.00
Tape Reel Packaging
TR13 Suffix Tape Width Carrier Pitch Reel Diameter Parts/Reel Tape Width Tape Pitch Reel Diameter inch 4,000 Suffix inch 1,000
Part Number Coding inch reel, part number, example RT1250B7TR7 inch reel, TR13 part number, example RT1250B7TR13 (Bulk packaging available)
RT1250 Resistor Electrocomponents, Parr Road, Berne Indiana, 46711
Parts/Reel
Direction Feed
6/26/01
Tel: (219) 589-3111
Fax: (219) 589-3243
www.ctsclearone.com
Mechanical Diagram
RT1250B_ YRWK
Identifier
(Pitch) (Pitch)
Pitch RT125 inch
6±0.15 .400±.006
3.81±0.15 50±.006
1.32±0.15 52±.006
1.27±0.25 50±.010
0.76±0.05 30±.002
0.64±0.25 25±.010
Copla narity 0.15 .006 Copla narity 0.15 .006
Pitch RT125 inch
8.00±0 .315±.006
3.00±0.15 18±.006
1.19±0.15 47±.006
1.00±0.25 39±.010
0.64±0.05 25±.002
0.50±0.25 20±.010
Recommended Land Pattern
Outline Substrate Routing Scheme
Blind vias reference plane layer recommended every other shown. Blind vias reference plane layer recommended every other shown.
Diameter
1.27 Pitch (B6) 0.64mm/.025 inch 1.00 Pitch (B7) 0.51mm/.020 inch
Solder Mask Dia. Diameter (.006 inch)
Signal Lines trace width similar achieve controlled transmission line impedance
.006" Thick Solder Paste Stencil, Aperture Opening Should Equal Diameter. Refer www.ctscorp.com/resistor Land Pattern Library
Electrical Specifications
Resistor Tolerance: ±1.0% Max. Resistor Power: 0.08 Watts 70°C 0.03 Watts 70°C Max. Package Power: Watts 70°C
Resistor Electrocomponents, Parr Road, Berne Indiana, 46711
specifications subject change without notification. 6/26/01
TCR: ±200 ppm/°C Operating Temp. Range: -55°C +125°C
Tel: (219) 589-3111
Fax: (219) 589-3243
www.ctsclearone.com

Thevenin Termination Compliant LVPECL Termination Excellent High Frequ

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