Thevinin Termination Compliant LVPECL Termination Excellent High Frequ
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LVPECL Terminators
Thevinin 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. Specifically 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
Style
LVPECL Thevenin Termination
Ohms Volts Volts
Thevenin 1.3Volts Ohms 82.5 Ohms
Typical Application
LVPECL DRIVERS LVPECL RECEVERS
Ordering Information Part Bits Pitch (mm) Number RT1250B6 82.5 1.27 RT1250B7 82.5 1.00 (Tape reel packaging information shown page
RT1250
2005 Corporation. rights reserved. Information subject change. Electronic Components, Covington Dr., Bloomingdale 60108 Tel: 630-924-3500 Fax: 630-295-6601
4/22/05
www.ctscorp.com
Mechanical Diagram
RT1250B_ YRWK
(Pitch)
Identifier
(Pitch)
1.27mm Pitch
RT1250B7 inch inch
8.00±0.15 .315±.006
4.00±0.15 .157±.006
1.19±0.15 .047±.006
1.00±0.25 .039±.010
0.64±0.05 .025±.002
0.50±0.25 .020±.010
1.00mm Pitch
RT1250B6
10.16±0.15 .400±.006
3.81±0.15 .150±.006
1.32±0.15 .052±.006
1.27±0.25 .050±.010
0.76±0.05 .030±.002
0.64±0.25 .025±.010
Coplanarity 0.15 .006 Coplanarity 0.15 .006
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 1.00mm Pitch (B7) 0.51mm/.020 inch (minimum) 1.27mm pitch (B6) 0.64mm/.025 inch (minimum)
Solder Mask Diameter +.15mm (.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: Operating Temperature Range Maximum Resistor Power: Maximum Package Power: 1.0% ppm/°C -55°C +125°C B6-1.27mm Pitch 96mw 96mw Watt 70°C B7-1.00mm Pitch 60mW 66mW
Packaging Information
Suffix Tape Width Carrier Pitch Reel Diameter Parts/Reel inch 1,000 TR13 24mm inch 4,000
Part Number Coding inch reel, part number, example RT1250B7TR7 inch reel, TR13 part number, example RT1250B7TR13 (Bulk packaging available)
Direction Feed
2005 Corporation. rights reserved. Information subject change. Electronic Components, Covington Dr., Bloomingdale 60108 Tel: 630-924-3500 Fax: 630-295-6601
4/22/05
www.ctscorp.com
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