Manufacturers
CTS RT1408B6P
Description
RES NET DDR SDRAM 60/25 OHM BGA
Part Number
RT1408B6P
Price
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Manufacturer
CTS
Lead Time
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Category
PRODUCTS - R
Datasheet
Extracted Text
DDR SDRAM Terminator Technical Data Features · 18 Bit SSTL_2 Termination Sets · Compliant to JEDEC Std. 8-9A · Excellent high frequency performance · Slim BGA Package · 1% Resistor Tolerance · Low Channel Capacitance Description This SSTL_2 terminator network provides high performance resistor termination for SSTL_2 Class I or Class II systems. Designed with a ceramic substrate, this device virtually eliminates channel capacitance, a primary cause of reduced system performance. In addition, the BGA package eases routing design, saving the designer many hours of printed circuit layout. The BGA packaging has been proven to reduce rework and improve reliability. 4 3 3 R1 R1 R1 3 2 2 R2 R1 2 1 1 R1 1 A B C D E F G H J A B C D E F G H J A B C D E F G H J Style H Style F Style C Ordering Information Typical Application 1.27mm Pitch 1.00mm Pitch Style R1 R2 Array Part Number Part Number Size W W VTT RT1400B6 RT1400B7 H 50 25 3 x 9 RT1401B6 RT1401B7 H 25 22 3 x 9 RT1402B6 RT1402B7 F 50 - 3 x 9 RT1403B6 RT1403B7 F 25 - 3 x 9 RT1404B6 RT1404B7 C 25 - 4 x 9 Memory DIMM RT1405B6 RT1405B7 C 22 - 4 x 9 Controller RT1407B6 RT1407B7 F 35 - 3 x 9 RT1408B6 RT1408B7 H 60 25 3 x 9 RT1430B6 RT1430B7 F 60 - 3 x 9 RT1432B6 RT1432B7 F 120 - 3 x 9 RT1460B6 RT1460B7 C 50 - 4 x 9 RT1400 RT1463B6 RT1463B7 C 33 - 4 x 9 VTT RT1465B6 RT1465B7 C 47 - 4 x 9 (Tape and reel packaging information is shown on page 3) 1 - 4 8/28/02 CTS Resistor Electrocomponents, 406 Parr Road, Berne Indiana, 46711 Tel: 260-589-3111 Fax: 260-589-3243 www.ctsclearone.com Mechanical Diagrams L H RT140_B_ W CTS YRWK A1 Identifier P (Pitch) K P (Pitch) D 1.27mm Pitch L W H P D K Coplanarity mm 11.43±0.15 3.81±0.15 1.32±0.15 1.27±0.25 0.76±0.05 0.64±0.25 0.15 Styles H & F inch .006 .450±.006 .150±.006 .052±.006 .050±.010 .030±.002 .025±.010 1.0mm Pitch L W H P D K Coplanarity mm 9.00±0.15 3.00±0.15 1.19±0.15 1.00±0.25 0.64±0.05 0.50±0.25 0.15 Styles H & F inch .006 .354±.006 .118±.006 .047±.006 .039±.010 .025±.002 .020±.010 L H RT140_B_ W CTS YRWK P (Pitch) A1 Identifier K P (Pitch) D 1.27mm Pitch L W H P D K Coplanarity mm 11.43±0.15 5.08±0.15 1.32±0.15 1.27±0.25 0.76±0.05 0.64±0.25 0.15 Style C inch .006 .450±.006 .200±.006 .052±.006 .050±.010 .030±.002 .025±.010 1.0mm Pitch L W H P D K Coplanarity mm 0.15 9.00±0.15 4.00±0.15 1.19±0.15 1.00±0.25 0.64±0.05 0.50±0.25 Style C inch .006 .354±.006 .157±.006 .047±.006 .039±.010 .025±.002 .020±.010 2 - 4 8/26/02 CTS Resistor Electrocomponents, 406 Parr Road, Berne Indiana, 46711 Tel: 260-589-3111 Fax: 260-589-3243 www.ctsclearone.com Recommended Land Pattern Tape and Reel Packaging Part Number Coding Outline of Substrate 7 inch reel, Add TR7 to part TR13 Suffix number, example RT1710B7TR7 Tape Width 24 mm 13 inch reel, Add TR13 to part Carrier Pitch 8 mm number, example RT1710B7TR13 Reel Diameter 13 inch Parts/Reel 4,000 (Bulk packaging is not available) TR7 Suffix Tape Width 24 mm Tape Pitch 8 mm Solder Mask Dia = Pad Reel Diameter 7 inch Diameter +.15mm Parts/Reel 1,000 PCB Pad Diameter (.006 inch) Direction of Feed 1.00mm Pitch (B7) = 0.51mm/.020 inch (minimum) 1.27mm pitch (B6) = 0.64mm/.025 inch (minimum) For .006" Thick Solder Paste Stencil, Aperture Opening Should be Equal to the PCB Pad Diameter. Applications VTT = 0.5V x VDDQ SSTL_2 Class I, symmetrically single parallel terminated output load, and series resistor. RT = 50 ohms 1/18 RT1402 RS = 25 ohms VIN 1/18 RT1404 SSTL_2 Vout VREF = 0.5V x VDDQ VTT = 0.5V x VDDQ SSTL_2 Class II, symmetrically double parallel terminated output load, and series resistor. RT2 = 50 ohms 1/18 RT1402 RS = 25 ohms VIN 1/9 RT1400 (R2) SSTL_2 Vout RT1 = 50 ohms 1/9 RT1400 (R1) VREF = 0.5V x VDDQ VTT = 0.5V x VDDQ VTT = 0.5V x VDDQ SSTL_2 Class I, symmetrically double parallel terminated output. RT = 50 ohms 1/18 RT1402 VIN SSTL_2 Vout RT = 50 ohms 1/18 RT1402 VREF = 0.5V x VDDQ VTT = 0.5V x VDDQ 3 - 4 8/26/02 CTS Resistor Electrocomponents, 406 Parr Road, Berne Indiana, 46711 Tel: 260-589-3111 Fax: 260-589-3243 www.ctsclearone.com Applications DDR SDRAM SSTL_2 with Single End Termination. Memory Controller DIMM DIMM DIMM DIMM VTT RT1404 RT1402 D0 D15 UDQS LDQS VTT BGA Routing Scheme .010" Trace Width to 1.27 mm Pitch Package RT1404B6 RT1402B6 VTT Island .005 Inch Wide Traces 1.00 mm Pitch Package .008" Trace Width to RT1404B7 RT1402B7 VTT Island .005 Inch Wide Traces Electrical Specifications Resistor Tolerance: Temperature Coefficient of Resistance: ± 1.0% ±200ppm/°C Maximum Resistor Power: Operating Temperature Range: 0.05 Watts minimum at 70°C -55°C to +125°C (Not to exceed total package power) Maximum resistor power will vary by resistance value. Maximum Package Power: 1.0 Watts at 70°C 4 - 4 8/26/02 CTS Resistor Electrocomponents, 406 Parr Road, Berne Indiana, 46711 Tel: 260-589-3111 Fax: 260-589-3243 www.ctsclearone.com
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