Keysight W2630 Series DDR2 DRAM BGA Probes Installation Guide
25
Installing the Probe
2
Where to Connect the Oscilloscope: W2632A
Figure 11 W2631B and W2633B pad numbering as seen through the board from the top side of the probe
8 GND
5 GND
UDQS# 7
UDQS 6
11 VDD
9 VDDQ
GND 1
GND 3
Figure 12 W2632A pad numbering as seen through the board from the top side of the probe
33 GND
35 GND
37 GND
39 GND
41 GND
43 GND
45 GND
47 GND
49 GND
51 GND
53 GND
54 GND
55 GND
56 GND
57 GND
58 GND
59 GND
60 GND
61 GND
62 GND
63 GND
64 GND
65 GND
66 GND
DQ15 34
DQ8 36
DQ10 38
DQ13 40
LDQS# 42
LDQS 44
DQ7 46
DQ0 48
DQ2 50
DQ5 52
3 DQ14
5 DQ9
7 DQ11
9 DQ12
12 DQ6
14 DQ1
16 DQ3
18 DQ4
GND 31
GND 1
GND 2
GND 4
GND 6
GND 8
GND 10
GND 11
GND 13
GND 15
GND 17
GND 19
GND 20
GND 21
GND 22
GND 23
GND 24
GND 25
GND 26
GND 27
GND 28
GND 29
GND 30
GND 32