Datasheet

Document No. VALUERAM0242-001.A00 Page 4
RIMM MODULE FUNCTIONAL BLOCK DIAGRAM
DQA8 DQA7 DQA6 DQA5 DQA4 DQA3 DQA2 DQA1 DQA0 CFM CFMN CTM CTMN ROW2 ROW1 ROW0 COL4 COL3 COL2 COL1 COL0 DQB0 DQB1 DQB2 DQB3 DQB4 DQB5 DQB6 DQB7 DQB8
SIO0
SIO1
SCK
CMD
Vref
RDRAM (256Mb)
RDQA8 RDQA7 RDQA6 RDQA5 RDQA4 RDQA3 RDQA2 RDQA1 RDQA0 RCFM RCFMN RCTM RCTMN RROW2 RROW1 RROW0 RCOL4 RCOL3 RCOL2 RCOL1 RCOL0 RDQB0 RDQB1 RDQB2 RDQB3 RDQB4 RDQB5 RDQB6 RDQB7 RDQB8
LDQA8 LDQA7 LDQA6 LDQA5 LDQA4 LDQA3 LDQA2 LDQA1 LDQA0
LCFM
LCFMN
LCTM
LCTMN
LROW2 LROW1 LROW0
LCOL4 LCOL3 LCOL2 LCOL1 LCOL0
LDQB0 LDQB1 LDQB2 LDQB3 LDQB4 LDQB5 LDQB6 LDQB7 LDQB8
U1
.
.
.
SIN
LSCK
LCMD
V
REF
SOUT RSCK RCMD
Vdd
Gnd
2 per
RDRAM
SCL SDA
A0
A1
SCL
SA0
SA1
SDA
Serial Presence Detect
Note 1. Rambus Channel signals form a loop through
the RIMM module, with the exception of the SIO chain.
DQA8 DQA7 DQA6 DQA5 DQA4 DQA3 DQA2 DQA1 DQA0 CFM CFMN CTM CTMN ROW2 ROW1 ROW0 COL4 COL3 COL2 COL1 COL0 DQB0 DQB1 DQB2 DQB3 DQB4 DQB5 DQB6 DQB7 DQB8
SIO0
SIO1
SCK
CMD
Vref
DQA8 DQA7 DQA6 DQA5 DQA4 DQA3 DQA2 DQA1 DQA0 CFM CFMN CTM CTMN ROW2 ROW1 ROW0 COL4 COL3 COL2 COL1 COL0 DQB0 DQB1 DQB2 DQB3 DQB4 DQB5 DQB6 DQB7 DQB8
SIO0
SIO1
SCK
CMD
Vref
DQA8 DQA7 DQA6 DQA5 DQA4 DQA3 DQA2 DQA1 DQA0 CFM CFMN CTM CTMN ROW2 ROW1 ROW0 COL4 COL3 COL2 COL1 COL0 DQB0 DQB1 DQB2 DQB3 DQB4 DQB5 DQB6 DQB7 DQB8
SIO0
SIO1
SCK
CMD
Vref
V
REF
Gnd
1 per
2 RDRAMs
V
CMOS
Gnd
1 per
2 RDRAMs
A2
SA2
WP
SWP
U0
Vcc
SV
DD
0.1mF
0.1mF
0.1 mF
SV
DD
Gnd
0.1 mF
.
.
.
Plus one
Near Connector
Module
Capacity
N
512 MB
16
UN
U2
U3
Note 2. See Serial Presence Detection Specification for
information on the SPD device and its contents.
128 MB
4
ValueRAM by Kingston®
RDRAM (256Mb)
RDRAM (256Mb)
RDRAM (256Mb)
64 MB
2
256 MB
8