Keysight W2630 Series DDR2 DRAM BGA Probes Installation Guide
29
Installing the Probe
2
3 Label the reworked W2639A oscilloscope probe adapter board "LEFT". The reworked W2639A
must only connect to the left flex wing of the W2631A DDR2 BGA probe.
4 The rework instruction may be repeated for the following BGA probes with reference to the pinout
tables shown in the user manual:
"http://cp.literature.keysight.com/litweb/pdf/W2638-97000.pdf"
• W2631A x16 DDR2 BGA probe.
• W2633A x8 DDR2 BGA probe.
Note: Please contact Keysight to confirm the exact location of the resistor.
Table 5
W2639A LPDDR BGA Probe Adapter Board Pin-Out for DDR2 Interposer Configuration (W2631A/B)
Left Flex Wing
Right Flex Wing
Signal
Name
Signal
Name
Test
Point
Signal
Name
Signal
Name
Test
Point
Test
Point
Signal
Name
Signal
Name
Test
Point
Signal
Name
Signal
Name
GND
UDM
TP1
GND
DQ14
TP2
TP24
DQ15
GND
TP23
DQ8
GND
GND
DQ9
TP3
GND
DQ11
TP4
TP22
DQ10
GND
TP21
DQ13
GND
GND
DQ12
TP5
GND
DQ6
TP6
TP20
LDQS#
GND
TP19
DQ7
GND
GND
LDM
TP7
GND
DQ1
TP8
TP18
LDQS
GND
TP17
DQ0
GND
GND
DQ3
TP9
GND
DQ4
TP10
TP16
DQ2
GND
TP15
DQ5
GND
GND
VREF
TP11
GND
CKE
TP12
TP14
CK
GND
TP13
ODT
GND
GND
WE#
TP13
GND
BA1
TP14
TP12
CK#
GND
TP11
RAS#
GND
GND
BA0
TP15
GND
BA2
TP16
TP10
CAS#
GND
TP9
CS#
GND
GND
A1
TP17
GND
A5
TP18
TP8
A0
GND
TP7
A4
GND
GND
A10
TP19
GND
A3
TP20
TP6
A2
GND
TP5
A6
GND
GND
A7
TP21
GND
A9
TP22
TP4
A8
GND
TP3
RFU#2
GND
GND
A12
TP23
GND
NC
TP24
TP2
A11
GND
TP1
NC
GND