© 2006 CTS Corporation. All rights reserved. Information subject to change.

CTS Electronic Components

Page 2

July 06

www.ctscorp.com

DDR SDRAM Terminator

BGA Routing Scheme

Recommended Land Pattern

1.00mm Pitch (B7) = 0.51mm/.020 inch (minimum)

1.27mm pitch (B6) = 0.64mm/.025 inch (minimum)

Outline of Substrate

PCB Pad Diameter

For .006" Thick Solder Paste Stencil, Aperture Opening Should

be Equal to the PCB Pad Diameter.

additional PCB design information

Solder Mask Dia = Pad

Diameter +.15mm (.006 inch)

.005 Inch

Wide Traces

1.00 mm Pitch Package

1.27 mm Pitch Package

RT2402B7

RT2402B6

RT2404B6

RT2404B7

.008" Trace Width to

VTT Island

.010" Trace Width to

VTT Island

.005 Inch

Wide Traces

Mechanical Diagrams

K

P (Pitch)

D

L

W

H

P (Pitch)

A1 Identifier

RT_40_B_

CTS YRWK

1.27mm Pitch

L

W

H

P

D

K

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

Styles

H & F

inch

.450

±.006

.150

±.006

.052

±.006

.050

±.010

.030

±.002

.025

±.010

1.0mm Pitch

L

W

H

P

D

K

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

Styles

H & F

inch

.354

±.006

.118

±.006

.047

±.006

.039

±.010

.025

±.002

.020

±.010

K

P (Pitch)

L

W

H

P (Pitch)

A1 Identifier

RT_40_B_

CTS YRWK

D

1.27mm Pitch

L

W

H

P

D

K

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

Style C

inch

.450

±.006

.200

±.006

.052

±.006

.050

±.010

.030

±.002

.025

±.010

1.0mm Pitch

L

W

H

P

D

K

mm

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

.354

±.006

.157

±.006

.047

±.006

.039

±.010

.025

±.002

.020

±.010