Performance Standard, PS-006, Issue A
-i-
DDR5 SODIMM CONNECTOR PERFORMANCE STANDARD
Contents
1 SCOPE 1
1.1 Connector Overview 1
2 REFERENCES 2
3 ACRONYMS, TERMS, AND DEFINITIONS 3
4 PIN NUMBERING 4
5 CONNECTOR SOCKET OUTLINE 6
5.1 SODIMM DDR5 Connector Overview 6
5.2 Socket Outline 6
5.3 Terminal dimensions 7
6 MODULE OUTLINE 8
6.1 Module Mechanical Dimensions 8
6.2 DIMM gold finger plating options 8
7 Reliability Requirements 9
7.1 Mechanical and Other Requirements 9
7.2 Reliability Test Conditions 10
7.3 Reliability Test Conditions 10
7.4 Environmental Requirements 12
7.5 Electrical Requirements 12
8 Signal Integrity Requirements 13
8.1 Skew requirements 13
8.2 Impedance requirements 14
8.3 Frequency domain requirements 15
Annex A LLCR Measurements 21
A.1 Reference Equipment 21
A.2 Test Fixture 21
Annex B Current Carrying Capability Testing 22
B.1 Reference Equipment 22
B.2 Test Procedure 22
Annex C Shock and Vibration Test Board 23
C.1 Shock and Vibration 23
C.2 Test Module - Weight and Center of Gravity 23
C.3 Shock Unpackaged 23
C.3.1 Purpose 23
C.3.2 Quantity 23
C.3.2 Test Conditions 23
C.4 Vibration Unpackaged 23
C.4.1 Purpose 23
C.4.2 Quantity 23
C.3.2 Test Conditions 23
Annex D (informative) Signal integrity test board 24
D.1 Reference Equipment 24
D.2 Test board 24
D.2.1 Test board stackup 24
D.2.2 Baseboard 24
D.2.3 Module card 25
D.2.4 2.92mm connector 26
D. 3 Testing 27
TASK GROUP CONTRIBUTOR 28
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