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DDR SDRAM Terminator
Technical Data Sheet
RoHS Compliant Parts Available
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 minimizes 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.
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 RoHS Compliant Designs Available * Compatible with both lead and lead-free manufacturing processes
3
4
R1
2
3 2
R1
3 2
R1 R1
A B C D E F G H J
R2
1 A B C D E F G H J
1 A B C D E F G H J
R1
1
Style H
Style F
Style C
Electrical Specifications
Resistor Tolerance: TCR Operating Temperature Range Maximum Resistor Power: Maximum Package Power: Process Requirements: Maximum Re-flow Temperature 1.0% 200ppm/C -55C to +125C 0.05 Watts at 70C 1.0 Watts at 70C Per IPC/JEDEC J-STD-020C
Typical Application
VTT
Memory Controller
DIMM
RT2400 VTT
Ordering Information
1.27mm Pitch 1.00mm Pitch Style R1 R2 Array 1.27mm Pitch 1.00mm Pitch Size RoHS Part No. RoHS Part No. Standard Part Standard No. Part No. RT1400B6* RT1400B7* H 50 25 3 x 9 RT2400B6* RT2400B7* RT1401B6 RT1401B7 H 25 22 3 x 9 RT2401B6 RT2401B7 RT1402B6* RT1402B7* F 50 3 x 9 RT2402B6* RT2402B7* RT1403B6* RT1403B7* F 25 3 x 9 RT2403B6* RT2403B7* RT1404B6* RT1404B7* C 25 4 x 9 RT2404B6* RT2404B7* RT1405B6* RT1405B7* C 22 4 x 9 RT2405B6* RT2405B7* RT1407B6* RT1407B7* F 35 3 x 9 RT2407B6* RT2407B7* RT1408B6* RT1408B7* H 60 25 3 x 9 RT2408B6* RT2408B7* RT1430B6 RT1430B7 F 60 3 x 9 RT2430B6 RT2430B7 RT1432B6 RT1432B7 F 120 3 x 9 RT2432B6 RT2432B7 RT1460B6 RT1460B7 C 50 4 x 9 RT2460B6 RT2460B7 RT1463B6* RT1463B7 C 33 4 x 9 RT2463B6* RT2463B7 RT1465B6 RT1465B7 C 47 4 x 9 RT2465B6 RT2465B7 RT1467B6* RT1467B7* F 75 3 x 9 RT2467B6* RT2467B7* RT1468B6* RT1468B7* F 150 3 x 9 RT2468B6* RT2468B7* *Indicates available Top Probe-able part numbers. Refer to the following link for detailed Top Side Probe-able information: www.ctscorp.com/components/clearone/TopProveClearOne.pdf CTS Electronic Components www.ctscorp.com
Packaging Information
Suffix
Tape Width Carrier Pitch Reel Diameter Parts/Reel
TR7
24 mm 8 mm 7 inch 1,000
TR13
24mm 8 mm 13 inch 4,000
Part Number Coding 7 inch reel, Add TR7 to part number, example RT2400B6TR7 13 inch reel, Add TR13 to part number, example RT2400B6TR13 (Bulk packaging is not available)
Direction of Feed
(c) 2006 CTS Corporation. All rights reserved. Information subject to change. Page 1 DDR SDRAM Terminator
July 06
Recommended Land Pattern
Outline of Substrate
BGA Routing Scheme
RT2404B6 1.27 mm Pitch Package RT2402B6 .010" Trace Width to VTT Island
.005 Inch Wide Traces
PCB Pad Diameter 1.00mm Pitch (B7) = 0.51mm/.020 inch (minimum) 1.27mm pitch (B6) = 0.64mm/.025 inch (minimum)
Solder Mask Dia = Pad Diameter +.15mm (.006 inch)
For .006" Thick Solder Paste Stencil, Aperture Opening Should be Equal to the PCB Pad Diameter. Refer to www.ctscorp.com/components/clearone.asp for additional PCB design information
RT2404B7
1.00 mm Pitch Package
RT2402B7
.008" Trace Width to VTT Island
.005 Inch Wide Traces
Mechanical Diagrams
L H
W
RT_40_B_ CTS YRWK
A1 Identifier
P (Pitch) P (Pitch) D
K
1.27mm Pitch mm Styles H&F inch Styles H&F 1.0mm Pitch mm inch
L 11.430.15 .450.006 L 9.000.15 .354.006
W 3.810.15 .150.006 W 3.000.15 .118.006
H 1.320.15 .052.006 H 1.190.15 .047.006
P 1.270.25 .050.010 P 1.000.25 .039.010
D 0.760.05 .030.002 D 0.640.05 .025.002
K 0.640.25 .025.010 K 0.500.25 .020.010
L
H
W
RT_40_B_ CTS YRWK
P (Pitch)
A1 Identifier
K
P (Pitch)
D
1.27mm Pitch mm Style C inch 1.0mm Pitch mm Style C inch
L 11.430.15 .450.006 L 9.000.15 .354.006
W 5.080.15 .200.006 W 4.000.15 .157.006
H 1.320.15 .052.006 H 1.190.15 .047.006
P 1.270.25 .050.010 P 1.000.25 .039.010
D 0.760.05 .030.002 D 0.640.05 .025.002
K 0.640.25 .025.010 K 0.500.25 .020.010
CTS Electronic Components www.ctscorp.com
(c) 2006 CTS Corporation. All rights reserved. Information subject to change. Page 2 DDR SDRAM Terminator
July 06
Applications
VTT = 0.5V x V DDQ SSTL_2 Class I, symmetrically single parallel terminated output load, and series resistor. RS = 25 ohms 1/18 RT2404 SSTL_2 Vout RT = 50 ohms 1/18 RT2402
VIN
VREF = 0.5V x V DDQ
VTT = 0.5V x V DDQ SSTL_2 Class II, symmetrically double parallel terminated output load, and series resistor. RT2 = 50 ohms 1/18 RT2402
RS = 25 ohms 1/9 RT2400(R2) SSTL_2 Vout RT1 = 50 ohms 1/9 RT2400(R1)
DDQ VTT = 0.5V x V
VIN
VREF = 0.5V x V DDQ
DDQ VTT = 0.5V x V
SSTL_2 Class I, symmetrically double parallel terminated output.
RT = 50 ohms 1/18 RT2402
VIN
SSTL_2 Vout RT = 50 ohms 1/18 RT2402
DDQ VTT = 0.5V x V DDQ VREF = 0.5V x V
DDR SDRAM SSTL_2 Single End Termination. ith Memory Controller RT2404 D0 DIMM DIMM DIMM DIMM VTT RT2402
D15 UDQS LDQS VTT
Complete ClearONE Product, Processing, and Application Information can be found at the following link: http://www.ctscorp.com/components/clearone.asp
This product is covered by one or more of the following U.S. and foreign patents: US 5,977,863; TW 133,148; US 6,005,777; US 6,194,979; TW 89104035; US 6,097,277; US 6,246,312; US 6,749,775; US 6,577,225; US 6,963,265; US 6,897,761; US 6,882,266; US 6,946,733; US 6,856,516. Other U.S. and foreign patents pending. (c) 2006 CTS Corporation. All rights reserved. Information subject to change. Page 3 DDR SDRAM Terminator
CTS Electronic Components www.ctscorp.com
July 06

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