D
SIZE
OF
SHT
DRAWING NUMBER
NOTICE OF PROPRIETARY PROPERTY
I TO MAINTAIN THE DOCUMENT IN CONFIDENCE
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AGREES TO THE FOLLOWING
PROPERTY OF APPLE COMPUTER, INC. THE POSSESSOR
THE INFORMATION CONTAINED HEREIN IS THE PROPRIETARY
1
2
3
4
5
67
8
12
3
4
5
6
78
B
C
D
A
B
C
D
A
REV.
APPLE COMPUTER INC.
SCALE
NONE
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
AREA_TYPE
SPACING_RULE_SET
NET_SPACING_TYPE1 NET_SPACING_TYPE2
TABLE_SPACING_ASSIGNMENT_HEAD
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
MINIMUM LINE WIDTH
ALLOW ROUTE
ON LAYER?
LAYER
MINIMUM NECK WIDTH
MAXIMUM NECK LENGTH
DIFFPAIR PRIMARY GAP
DIFFPAIR NECK GAPPHYSICAL_RULE_SET
TABLE_PHYSICAL_RULE_HEAD
TABLE_PHYSICAL_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
LINE-TO-LINE SPACING
LAYER
SPACING_RULE_SET
WEIGHT
TABLE_SPACING_RULE_HEAD
MINIMUM LINE WIDTH
ALLOW ROUTE
ON LAYER?
LAYER
MINIMUM NECK WIDTH
MAXIMUM NECK LENGTH
DIFFPAIR PRIMARY GAP
DIFFPAIR NECK GAPPHYSICAL_RULE_SET
TABLE_PHYSICAL_RULE_HEAD
TABLE_PHYSICAL_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
LINE-TO-LINE SPACING
LAYER
SPACING_RULE_SET
WEIGHT
TABLE_SPACING_RULE_HEAD
LINE-TO-LINE SPACING
LAYER
SPACING_RULE_SET
WEIGHT
TABLE_SPACING_RULE_HEAD
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
TABLE_SPACING_RULE_ITEM
LINE-TO-LINE SPACING
LAYER
SPACING_RULE_SET
WEIGHT
TABLE_SPACING_RULE_HEAD
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
AREA_TYPE
SPACING_RULE_SET
NET_SPACING_TYPE1 NET_SPACING_TYPE2
TABLE_SPACING_ASSIGNMENT_HEAD
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
LINE-TO-LINE SPACING
LAYER
SPACING_RULE_SET
WEIGHT
TABLE_SPACING_RULE_HEAD
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
AREA_TYPE
SPACING_RULE_SET
NET_SPACING_TYPE1 NET_SPACING_TYPE2
TABLE_SPACING_ASSIGNMENT_HEAD
MINIMUM LINE WIDTH
ALLOW ROUTE
ON LAYER?
LAYER
MINIMUM NECK WIDTH
MAXIMUM NECK LENGTH
DIFFPAIR PRIMARY GAP
DIFFPAIR NECK GAPPHYSICAL_RULE_SET
TABLE_PHYSICAL_RULE_HEAD
TABLE_PHYSICAL_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
LINE-TO-LINE SPACING
LAYER
SPACING_RULE_SET
WEIGHT
TABLE_SPACING_RULE_HEAD
TABLE_SPACING_RULE_ITEM
AREA_TYPE
SPACING_RULE_SET
NET_SPACING_TYPE1 NET_SPACING_TYPE2
TABLE_SPACING_ASSIGNMENT_HEAD
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_PHYSICAL_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
AREA_TYPE
SPACING_RULE_SET
NET_SPACING_TYPE1 NET_SPACING_TYPE2
TABLE_SPACING_ASSIGNMENT_HEAD
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
MINIMUM LINE WIDTH
ALLOW ROUTE
ON LAYER?
LAYER
MINIMUM NECK WIDTH
MAXIMUM NECK LENGTH
DIFFPAIR PRIMARY GAP
DIFFPAIR NECK GAPPHYSICAL_RULE_SET
TABLE_PHYSICAL_RULE_HEAD
TABLE_SPACING_RULE_ITEM
LINE-TO-LINE SPACING
LAYER
SPACING_RULE_SET
WEIGHT
TABLE_SPACING_RULE_HEAD
TABLE_SPACING_RULE_ITEM
LINE-TO-LINE SPACING
LAYER
SPACING_RULE_SET
WEIGHT
TABLE_SPACING_RULE_HEAD
MINIMUM LINE WIDTH
ALLOW ROUTE
ON LAYER?
LAYER
MINIMUM NECK WIDTH
MAXIMUM NECK LENGTH
DIFFPAIR PRIMARY GAP
DIFFPAIR NECK GAPPHYSICAL_RULE_SET
TABLE_PHYSICAL_RULE_HEAD
MINIMUM LINE WIDTH
ALLOW ROUTE
ON LAYER?
LAYER
MINIMUM NECK WIDTH
MAXIMUM NECK LENGTH
DIFFPAIR PRIMARY GAP
DIFFPAIR NECK GAPPHYSICAL_RULE_SET
TABLE_PHYSICAL_RULE_HEAD
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
AREA_TYPE
SPACING_RULE_SET
NET_SPACING_TYPE1 NET_SPACING_TYPE2
TABLE_SPACING_ASSIGNMENT_HEAD
TABLE_PHYSICAL_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
MINIMUM LINE WIDTH
ALLOW ROUTE
ON LAYER?
LAYER
MINIMUM NECK WIDTH
MAXIMUM NECK LENGTH
DIFFPAIR PRIMARY GAP
DIFFPAIR NECK GAPPHYSICAL_RULE_SET
TABLE_PHYSICAL_RULE_HEAD
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_PHYSICAL_RULE_ITEM
MINIMUM LINE WIDTH
ALLOW ROUTE
ON LAYER?
LAYER
MINIMUM NECK WIDTH
MAXIMUM NECK LENGTH
DIFFPAIR PRIMARY GAP
DIFFPAIR NECK GAPPHYSICAL_RULE_SET
TABLE_PHYSICAL_RULE_HEAD
TABLE_SPACING_RULE_ITEM
LINE-TO-LINE SPACING
LAYER
SPACING_RULE_SET
WEIGHT
TABLE_SPACING_RULE_HEAD
TABLE_PHYSICAL_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
TABLE_SPACING_ASSIGNMENT_ITEM
MINIMUM LINE WIDTH
ALLOW ROUTE
ON LAYER?
LAYER
MINIMUM NECK WIDTH
MAXIMUM NECK LENGTH
DIFFPAIR PRIMARY GAP
DIFFPAIR NECK GAPPHYSICAL_RULE_SET
TABLE_PHYSICAL_RULE_HEAD
LINE-TO-LINE SPACING
LAYER
SPACING_RULE_SET
WEIGHT
TABLE_SPACING_RULE_HEAD
AREA_TYPE
SPACING_RULE_SET
NET_SPACING_TYPE1 NET_SPACING_TYPE2
TABLE_SPACING_ASSIGNMENT_HEAD
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
LINE-TO-LINE SPACING
LAYER
SPACING_RULE_SET
WEIGHT
TABLE_SPACING_RULE_HEAD
TABLE_SPACING_RULE_ITEM
TABLE_SPACING_RULE_ITEM
Worst-case spacing is 2:1 within Data bus, with 3:1 spacing to the DSTBs.
DSTB complementary pairs are spaced 3:1, even in constraint areas.
Worst-case spacing is 2:1 within Addr bus, with 3:1 spacing to the ADSTBs.
Disk Interface Constraints
SOURCE: Napa Platform DG, Rev 0.9 (#17978), Sections 10.6 & 10.7.2
SOURCE: Napa Platform DG, Rev 0.9 (#17978), Sections 7.2, 9.2 & 10.5.2
PCI-Express / DMI Bus Constraints
Design Guide recommends FSB signals be routed only on internal layers.
SOURCE: Napa Platform DG, Rev 0.9 (#17978), Section 10.10.1.2
Internal Interface Constraints
DG says minimum spacing 50 mils to clocks
SOURCE: Napa Platform DG, Rev 0.9 (#17978), Section 10.9.1
Audio Interface Constraints
SOURCE: Napa Platform DG, Rev 0.9 (#17978), Section 6.2
SOURCE: Napa Platform DG, Rev 0.9 (#17978), Sections 4.4, 4.6.2, & 5.8.2.4
Need to support MEM_*-style wildcards!
Some signals require 27.4-ohm single-ended impedance.
NOTE: Design Guide allows closer spacing if signal lengths can be shortened.
Design Guide recommends each strobe/signal group is routed on the same layer.
NOTE: Design Guide does not indicate FSB spacing to other signals, assumed 3:1.
All FSB signals with impedance requirements are 55-ohm single-ended.
CPU Signal Constraints
DDR2 Memory Bus Constraints
Most CPU signals with impedance requirements are 55-ohm single-ended.
USB 2.0 Interface Constraints
Clock Signal Constraints
SOURCE: Napa Platform DG, Rev 0.9 (#17978), Section 10.17.1.1
FSB (Front-Side Bus) Constraints
SOURCE: Napa Platform DG, Rev 0.9 (#17978), Sections 4.2 & 4.3
DG recommends at least 25 mils, >50 mils preferred
?
FSB_DSTB
*
=3:1_SPACING
?
FSB_DATA2DSTB
*
=3:1_SPACING
?
FSB_DATA2DATA
*
=2:1_SPACING
?*
FSB_DATA
=3:1_SPACING
MEM_2OTHER
MEM_DATA
* *
MEM_2OTHER
MEM_CMD
**
20 MIL
*
PCIE
?
20 MIL
*
DMI
?
=STANDARD=STANDARD
=55_OHM_SE=55_OHM_SE=55_OHM_SE
Y*
AUDIO_55S
=1.8:1_SPACING
*
AUDIO
?
SPI_55S
* Y
=55_OHM_SE =55_OHM_SE =55_OHM_SE
=STANDARD =STANDARD
*
=4:1_SPACING
USB2
?
SMB_55S
* Y
=55_OHM_SE =55_OHM_SE =55_OHM_SE
=STANDARD =STANDARD
25 MIL
*
USB2_2CLK
?
=55_OHM_SE
CLK_SLOW_55S
* Y
=55_OHM_SE =55_OHM_SE
=STANDARD =STANDARD
MEM_CTRL2CTRL
=2:1_SPACING
* ?
MEM_2OTHER
MEM_DQS
**
25 MIL
MEM_2OTHER
* ?
*
=4:1_SPACING
MEM_CLK2MEM
?
=85_OHM_DIFF
Y
MEM_85D
=85_OHM_DIFF
=85_OHM_DIFF
*
=85_OHM_DIFF=85_OHM_DIFF
=55_OHM_SE
* Y
MEM_55S
=STANDARD =STANDARD
=55_OHM_SE=55_OHM_SE
25 MIL
CPU_GTLREF
* ?
25 MIL
*
CPU_COMP
?
*
FSB_ADSTB
=3:1_SPACING
?
CPU_27P4S
=STANDARD=STANDARD
=27P4_OHM_SE=27P4_OHM_SE=27P4_OHM_SE
Y*
=45_OHM_SE=45_OHM_SE
Y
MEM_45S
=STANDARD
=45_OHM_SE
=STANDARD
*
MEM_CTRL
MEM_CTRL2MEM
MEM_CLK
*
MEM_CTRL
*
MEM_CTRL2CTRL
MEM_CTRL
MEM_CTRL2MEM
*
=3:1_SPACING
?
*
=1.8:1_SPACING
IDE
?
=2:1_SPACING
*
CPU_2TO1
?
FSB_DATA2DSTB
*
FSB_DATA FSB_DSTB
FSB_ADDR2ADDR
FSB_ADDRFSB_ADDR
*
=100_OHM_DIFF =100_OHM_DIFF =100_OHM_DIFF
=100_OHM_DIFF =100_OHM_DIFF
* Y
SATA_100D
=STANDARD=STANDARD
=55_OHM_SE=55_OHM_SE=55_OHM_SE
Y*
IDE_55S
MEM_CMD2MEM
MEM_CMD
*
MEM_DQS
FSB_COMMON
*
=2:1_SPACING
?
=100_OHM_DIFF =100_OHM_DIFF =100_OHM_DIFF
=100_OHM_DIFF =100_OHM_DIFF
DMI_100D
Y*
=100_OHM_DIFF =100_OHM_DIFF =100_OHM_DIFF
=100_OHM_DIFF =100_OHM_DIFF
PCIE_100D
* Y
10 MIL
*
CLK_SLOW
?
20 MIL
*
CLK_MED
?
SMB
*
=3:1_SPACING
?
MEM_CMD
*
MEM_CTRL2MEM
MEM_CTRL
=1.5:1_SPACING
MEM_DATA2DATA
* ?
MEM_DATA2MEM =3:1_SPACING
* ?
MEM_DQS2MEM
*
=3:1_SPACING
?
MEM_2OTHER
MEM_CLK
**
MEM_2OTHER
MEM_CTRL
* *
MEM_DQS
MEM_DQS2MEM
*
MEM_DATA
*
FSB_ADSTB
FSB_ADDR
FSB_ADDR2ADSTB
20 MIL
*
SATA
?
=90_OHM_DIFF=90_OHM_DIFF
=90_OHM_DIFF=90_OHM_DIFF=90_OHM_DIFF
USB2_90D
* Y
=STANDARD=STANDARD
=55_OHM_SE
Y
=55_OHM_SE
*
=55_OHM_SE
FSB_55S
20 MIL
*
CLK_PCIE
?
MEM_CMD2MEM
*
=3:1_SPACING
?
25 MIL
*
CLK_FSB
?
=70_OHM_DIFF
Y*
=70_OHM_DIFF =70_OHM_DIFF
=70_OHM_DIFF
MEM_70D
=70_OHM_DIFF
=STANDARD=STANDARD
Y
=55_OHM_SE
*
=55_OHM_SE =55_OHM_SE
CPU_55S
=55_OHM_SE =55_OHM_SE
CLK_MED_55S
* Y
=55_OHM_SE
=STANDARD =STANDARD
=100_OHM_DIFFCLK_PCIE_100D =100_OHM_DIFF =100_OHM_DIFF
=100_OHM_DIFF =100_OHM_DIFF
* Y
=100_OHM_DIFF
CLK_FSB_100D
=100_OHM_DIFF =100_OHM_DIFF
=100_OHM_DIFF =100_OHM_DIFF
* Y
*
SPI
=1.8:1_SPACING
?
MEM_CMD2CMD
*
=1.5:1_SPACING
?
*
MEM_DQS2MEM
MEM_DQS MEM_DQS
MEM_CMD
*
MEM_CMD2MEM
MEM_CLK
MEM_DATA2DATA
MEM_DATAMEM_DATA
**
MEM_CMD
MEM_CMD2MEM
MEM_DATA
*
MEM_CLK
MEM_CLK2MEM
MEM_CMD
*
MEM_CLK2MEM
MEM_CTRL
MEM_CLK
*
MEM_CLK2MEM
MEM_CLKMEM_CLK
MEM_DQS
MEM_DQS2MEM
*
MEM_CLK
MEM_DQS
MEM_DQS2MEM
*
MEM_CTRL
*
MEM_DQS2MEM
MEM_DQS MEM_CMD
*
MEM_CLK
MEM_CLK2MEM
MEM_DQS
*
MEM_DATA
MEM_DATA2MEM
MEM_CTRL
*
MEM_DATA2MEM
MEM_DATA
MEM_CLK
MEM_DATA2MEM
MEM_DATA
*
MEM_CMD
MEM_DATA2MEM
MEM_DATA
*
MEM_DQS
*
MEM_CMD
MEM_CMD2MEM
MEM_CTRL
*
MEM_CMD MEM_CMD
MEM_CMD2CMD
MEM_DQS
MEM_CTRL
*
MEM_CTRL2MEM
MEM_DATA
MEM_CTRL2MEM
*
MEM_CTRL
MEM_CLK2MEM
MEM_CLK
*
MEM_DATA
25 MIL
*
CPU_VCCSENSE
?
CPU_ITP
*
=2:1_SPACING
?
FSB_DATA
*
FSB_DATA
FSB_DATA2DATA
FSB_ADDR2ADSTB
*
=3:1_SPACING
?
*
FSB_ADDR2ADDR
=2:1_SPACING
?
*
=3:1_SPACING
FSB_ADDR
?
84 87
06004051-7164
Napa Platform Constraints
SYNC_MASTER=(MASTER)
SYNC_DATE=(MASTER)