8 7 6 5 4 3 2 1
NOTES
1 DIMENSIONS ARE IN MILLIMETERS.
TM
3M TWIN AXIAL CABLE ASSEMBLY
TM
5.5 2 3M RIBBON TWINAX DESCRIPTION:
FOR PCIe X8 EXTENDER CARD APPLICATIONS
30 AWG, SILVER PLATED SIGNAL WIRE
4.5
IMPEDANCE: 85 5 OHM
OVERALL RIBBON WIDTH: 24.90 MM
OVERALL RIBBON THICKNESS: 0.75 MM
2 X CABLE PARTNO. 3749-20 3 ROHS COMPLIANT. SEE REGULATORY
INFORMATION APPENDIX INROHS
COMPLIANC SECTION AT
PIN B1
WWW.3MCONNECTORS.COM
(E1 & C1 APPLY)
PIN B1
D D
4 THIS CABLE CONSTRUCTION
HAS A THIN ALUMINUM INNER LAYER
EXPOSED AT EACH EDGE. USERS
SHOULD ASSESS WHETHER THE EXPOSED
EDGE PRESENTS A SHORTING RISK IN
THEIR SPECIFIC APPLICATION.
INSULATING TAPE MAY BE APPLIED
AT THE CABLE ASSEMBLY LEVEL, AS
NEEDED, TO COVER THE EXPOSED
EDGE IN RISK AREAS.
75.0
5 APPLICABLE SPECIFICATIONS:
PRODUCT SPECIFICATION NUMBER:
PS-0106
6 ORDER BY APPLICABLE 3M PART NUMBER:
8KH2-0723-XXXX
XXXX = DIM 'A' IN MILLIMETERS
(1000 = 1 METER)
STANDARD LENGTH (DIM 'A')
8KH2-0723-0250 (250 MM)
8KH2-0723-0500 (500 MM)
PIN B49
NON-STANDARD LENGTHS AVAILABLE
2 X CABLE PARTNO. SL8802/22-18DN5-00
PIN B49
SIDE B UPON SPECIAL REQUEST. MAY REQUIRE
HIGHER MOQS AND LONGER LEAD TIMES.
150 MM MINIMUM LENGTH.
C C
7 FLAMMABILITY RATING:
2X 3.5
TWIN AX CABLE: UL94 HB
PCBS: UL94V-0
ADHESIVE STRAIN RELIEF: UL94 HB,
(TBV)
ADHESIVE ENCAPSULANT
ADHESIVE ENCAPSULANT 8 PADDLECARD FINGER GOLD THICKNESS:
2X 1.57
APPLIED TO CABLE ENDS
APPLIED TO CABLE ENDS 0.76 m [30] MIN ELECTROLYTIC
HARD GOLD OVER 1.27 m [50]
8.7 MIN ELECTROLYTIC NICKEL.
ADHESIVE ENCAPSULANT
ADHESIVE ENCAPSULANT
APPLIED TO CABLE ENDS
APPLIED TO CABLE ENDS
+5
DIM A
-0
38
SEE NOTE 6
27.0
PIN A49
9.0
PIN A49
PART LABEL
(WRAP-AROUND)
B B
3M PART NUMBER:
DATE CODE: XXYY
XX = YEAR
YY = WEEK
BILL OF MATERIALS
ITEM DESCRIPTION QTY
1.0 PBA PCB ASSY, PADDLECARD, PCIE X8 1
PCIE X8 (98 POS) STRADDLEMOUNT
1.1 PCB 1
3M P/N: 78-9101-6475-1
CONNECTOR, PCIE 98 POSITION, FEMALE
1.2 CONN 1
SOCKET
PCIE X8 EXTENDER (98 POS) CARD-EDGE
84.0
2.0 PCB 1
3M P/N: 78-9101-6470-2 60.1
RIBBON TWIN AX CABLE
3.0 CABLE 2
C 42467 AUG 06,2012 LDS TS
3M P/N: SL8802/22-18DN5-00
RIBBON CABLE, 20 POSITION REVISED NOTE 6
4.0 CABLE 2
3M P/N: 3749-20
B 40306 JUN 18,2012 LDS TS
STRAIN AS
5.0 ADHESIVE REVISED X8 PCB SHAPE;
RELIEF REQUIRED
REVISED VIEW
ORIENTATION; REVISED
NOTE ORIENTATION
A MAR 08,2012 ARM TS
DESIGN REFERENCE NEXT ASSEMBLY REV ECO ISSUE DATE AND DESCRIPTION DRFT CHKD
DISTRIBUTION DRFT DATE MFG DATE
CODES L SCHMIDT MAR 08,2012
CHKD DATE APPVL DATE
PIN A1
A A
DIVISION DIVISION CODE
C 3M COPYRIGHT 2012
PIN A1
3M Center
This document and the information it contains are
15.5
3M property and may not be reproduced or further
St. Paul,
SIDE A SCALE TOLERANCES
DO NOT distributed without 3M permission, or used or
MN 55144
EXCEPT AS disclosed other than for 3M authorized purposes.
2
SCALE
All rights reserved.
NOTED
1
DRAWING
TITLE
INCHES
.0
8KH2-0723-XXXX, CABLE
.00
.000
ASSY, PCIE X8 BY PCIE
THIRD ANGLE PROJECTION .0000
MILLIMETERS
INTERPRET PER
X8 EXTENDER
ASME Y14.5 - 1994
0 1
.0 .5
CAGE SIZE DRAWING NO. REV.
MAX SURFACE ROUGHNESS
.00 .05
NUMBER
ALL SURFACES .000 .005 78-5100-2511-3 C
125
MODEL DET.
Visit 8 7 6 5 4 3 2 1
3M 3749-20 Cable
3M 3749-20 Cable
Wire # Pin Attachment #
Pin Attachment # Wire #
01 Ground Layer
Ground Layer 01
02 B01 - B02
A01 02
D D
03 B01 - B02
Ground Layer 03
PCI-Express X8 Pin-Out
04 B01 - B02
A02 - A03 04
Pin # Side B Description Side A Description Pin #
05 B01 - B02
A02 - A03 05
Hot plug presence
06 B01 - B02
A02 - A03 06
B01 +12 volt power A01
detect
07 B01 - B02
A02 - A03 07
B02 +12 volt power +12 volt power A02
08 Ground Layer Ground Layer 08
B03 +12 volt power +12 volt power A03
09 B05 A05 09
B04 Ground Ground A04
10 B06 A06 10
B05 SMBus clock TCK A05
11 Ground Layer A07 11
B06 SMBus data TDI A06
12 B08 A08 12
B07 Ground TDO A07
13 B08 Ground Layer 13
B08 +3.3 volt power TMS A08
14 B09 A09 - A10 14
B09 +TRST# +3.3 volt power A09
15 B10 A09 - A10 15
B10 3.3v volt power +3.3 volt power A10
16 B10 A09 - A10 16
B11 Link Reactivation Power Good A11
17 Ground Layer A09 - A10 17
Mechanical Key
18 B11 Ground Layer 18
B12 Reserved Ground A12
19 Ground Layer Ground Layer 19
B13 Ground Reference Clock A13
20 B12 A11 20
B14 Transmitter Lane 0, Differential pair A14
B15 Differential pair Ground A15
3M SL8802 Cable 3M SL8802 Cable
B16 Ground Receiver Lane 0, A16
Wire # Pin Attachment # Pin Attachment # Wire #
B17 Hotplug detect Differential pair A17
GND Ground Layer Ground Layer GND
B18 Ground Ground A18
C C
pr_01 B14 A13 pr_01
B19 Transmitter Lane 1, Reserved A19
pr_01 B15 A14 pr_01
B20 Differential pair Ground A20
pr_02 B17 A16 pr_02
B21 Ground Receiver Lane 1, A21
pr_02 Ground Layer A17 pr_02
B22 Ground Differential pair A22
pr_03 B19 Ground Layer pr_03
B23 Transmitter Lane 2, Ground A23
pr_03 B20 A19 pr_03
B24 Differential pair Ground A24
pr_04 B23 A21 pr_04
B25 Ground Receiver Lane 2, A25
pr_04 B24 A22 pr_04
B26 Ground Differential pair A26
GND Ground Layer Ground Layer GND
B27 Transmitter Lane 3, Ground A27
pr_05 B27 A25 pr_05
B28 Differential pair Ground A28
pr_05 B28 A26 pr_05
B29 Ground Receiver Lane 3, A29
pr_06 B30 A29 pr_06
B30 Reserved Differential pair A30
pr_06 B31 A30 pr_06
B31 Hot plug detect Ground A31
pr_07 B33 A32 pr_07
B32 Ground Reserved A32
pr_07 B34 A33 pr_07
B33 Transmitter Lane 4, Reserved A33
GND Ground Layer Ground Layer GND
B34 Differential pair Ground A34
pr_08 B37 A35 pr_08
B35 Ground Receiver Lane 4, A35
pr_08 B38 A36 pr_08
B36 Ground Differential pair A36
pr_09 B41 A39 pr_09
B37 Transmitter Lane 5, Ground A37
pr_09 B42 A40 pr_09
B38 Differential pair Ground A38
pr_10 B45 A43 pr_10
B39 Ground Receiver Lane 5, A39
pr_10 B46 A44 pr_10
B40 Ground Differential pair A40
B B
pr_11 B48 A47 pr_11
B41 Transmitter Lane 6, Ground A41
pr_11 Ground Layer A48 pr_11
B42 Differential pair Ground A42
GND Ground Layer Ground Layer GND
B43 Ground Receiver Lane 6, A43
B44 Ground Differential pair A44
B45 Transmitter Lane 7, Ground A45
B46 Differential pair Ground A46
B47 Ground Receiver Lane 7, A47
B48 Hot plug detect Differential pair A48
B49 Ground Ground A49
C 42467 AUG 06,2012 LDS TS
REVISED NOTE 6
B 40306 JUN 18,2012 LDS TS
REVISED X8 PCB SHAPE;
REVISED VIEW
ORIENTATION; REVISED
NOTE ORIENTATION
A MAR 08,2012 ARM TS
DESIGN REFERENCE NEXT ASSEMBLY REV ECO ISSUE DATE AND DESCRIPTION DRFT CHKD
DISTRIBUTION DRFT DATE MFG DATE
CODES L SCHMIDT MAR 08,2012
CHKD DATE APPVL DATE
A A
DIVISION DIVISION CODE
C 3M COPYRIGHT 2012
3M Center
This document and the information it contains are
3M property and may not be reproduced or further
St. Paul,
SCALE TOLERANCES
DO NOT distributed without 3M permission, or used or
MN 55144
EXCEPT AS disclosed other than for 3M authorized purposes.
1
SCALE
All rights reserved.
NOTED
1
DRAWING
TITLE
INCHES
.0
8KH2-0723-XXXX, CABLE
.00
.000
ASSY, PCIE X8 BY PCIE
THIRD ANGLE PROJECTION .0000
MILLIMETERS
INTERPRET PER
X8 EXTENDER
ASME Y14.5 - 1994
0 1
.0 .5
CAGE SIZE DRAWING NO. REV.
MAX SURFACE ROUGHNESS
.00 .05
NUMBER
ALL SURFACES .000 .005 78-5100-2511-3 C
125
MODEL DET.
MARKED ONLY
ANGLES
1 YES NO SHT 2 OF 2
LISTS
8 7 6 5 4 3 2 1
78-5100-2511-3 C
DRAWING NUMBER REVISION