Samsung 512Mb PC1066 Rambus RDRAM MR16R162GEG0-CT9 Leaflet
Product codes
MR16R162GEG0-CT9
Page 4
MR16R1624(8/G)EG0
MR18R1624(8/G)EG0
MR18R1624(8/G)EG0
Version 1.0 May 2004
RCOL4..
RCOL0
RCOL0
A73, B73, A71, B71, A69
I
RSL
Column bus. 5-bit bus containing control and address infor-
mation for column accesses.
mation for column accesses.
RCTM
A79
I
RSL
Clock to master. Interface clock used for transmitting RSL
signals to the Channel. Positive polarity.
signals to the Channel. Positive polarity.
RCTMN
A81
I
RSL
Clock to master. Interface clock used for transmitting RSL
signals to the Channel. Negative polarity.
signals to the Channel. Negative polarity.
RDQA8..
RDQA0
RDQA0
A91, B91, A89, B89, A87, B87, A85,
B85, A83
B85, A83
I/O
RSL
Data bus A. A 9-bit bus carrying a byte of read or write data
between the Channel and the RDRAM device. RDQA8 is
non-functional on modules x16 RDRAM devices.
between the Channel and the RDRAM device. RDQA8 is
non-functional on modules x16 RDRAM devices.
RDQB8..
RDQB0
RDQB0
B61, A61, B63, A63, B65, A65, B67,
A67, B69
A67, B69
I/O
RSL
Data bus B. A 9-bit bus carrying a byte of read or write data
between the Channel and the RDRAM device. RDQB8 is
non-functional on modules x16 RDRAM devices.
between the Channel and the RDRAM device. RDQB8 is
non-functional on modules x16 RDRAM devices.
RROW2..
RROW0
RROW0
B77, A75, B75
I
RSL
Row bus. 3-bit bus containing control and address information
for row accesses.
for row accesses.
RSCK
A59
I
V
CMOS
Serial Clock input. Clock source used to read from and write
to the RDRAM control registers.
to the RDRAM control registers.
SA0
B53
I
SV
DD
Serial Presence Detect Address 0.
SA1
B55
I
SV
DD
Serial Presence Detect Address 1.
SA2
B57
I
SV
DD
Serial Presence Detect Address 2.
SCL
A53
I
SV
DD
Serial Presence Detect Clock.
SDA
A55
I/O
SV
DD
Serial Presence Detect Data (Open Collector I/O).
SIN
B36
I/O
V
CMOS
Serial I/O for reading from and writing to the control registers.
Attaches to SIO0 of the first RDRAM device on the module.
Attaches to SIO0 of the first RDRAM device on the module.
SOUT
A36
I/O
V
CMOS
Serial I/O for reading from and writing to the control registers.
Attaches to SIO1 of the last RDRAM device on the module.
Attaches to SIO1 of the last RDRAM device on the module.
SV
DD
A56, B56
SPD Voltage. Used for signals SCL, SDA, SWE, SA0, SA1
and SA2.
and SA2.
SWP
A57
I
SV
DD
Serial Presence Detect Write Protect (active high). When low,
the SPD can be written as well as read.
the SPD can be written as well as read.
V
CMOS
A35, B35, A37, B37
CMOS I/O Voltage. Used for signals CMD, SCK, SIN, SOUT.
Vdd
A41, A42, A54, A58, B41, B42, B54,
B58
B58
Supply voltage for the RDRAM core and interface logic.
Vref
A51, B51
Logic threshold reference voltage for RSL signals.
Signal
Pins
I/O
Type
Description