M393B1K73DH0 Datasheet, PDF (9/56 Pages) Samsung semiconductor – 240pin Registered DIMM

Registered DIMM
datasheet
Rev. 1.3
DDR3 SDRAM
8. Pinout Comparison Based On Module Type
Pin
48, 49
120, 240
53
63
64
68
Signal
V_TT
V_TT
Err_Out
NC
NC
Par_In
RDIMM
NOTE
Additional connection for Termination Voltage for
Address/Command/Control/Clock nets.
Termination Voltage for Address/Command/Con-
trol/Clock nets.
Connected to the register on all RDIMMs NC Not
used on UDIMMs
Not used on RDIMMs
Connected to the register on all RDIMMs
76
S1
Connected to the register on all RDIMMs
77
ODT1, NC
Connected to the register on dual- and quadrank
RDIMMs; NC on single-rank RDIMMs
Connected to the register on quad-rank
79
S2, NC RDIMMs, not connected on single or dual rank
RDIMMs
167
NC
TEST input used only on bus analysis probes
169
171
172
196
198
39, 40, 45, 46,
158, 159, 164,
165
125, 134, 143,
152, 161, 203,
212, 221, 230
126, 135, 144,
153, 162, 204,
213, 222, 231
187
CKE1
A15
A14
A13
S3, NC
CBn
DQSn,
TDQSn
DQSn,
TDQSn
EVENT
NC
NOTE : NC = No internal Connection
Connected to the register on dual- and quadrank
RDIMMs; NC on single-rank RDIMMs
Connected to the register on all RDIMMs
Connected to the register on quad-rank
RDIMMs, not connected on single-or dual-rank
RDIMMs
Used on all RDIMMs; (n = 0...7)
Connected to DQS on x4 SDRAMs,
TDQS on x8 SDRAMs on RDIMMs; (n = 9...17)
Connected to DQS on x4 DRAMs, TDQS on x8
SDRAMs on RDIMMs; (n=9...17)
Connected to optional thermal sensing compo-
nent.
NC on Modules without a thermal sensing
component.
Signal
UDIMM
NOTE
NC
Not used on UDIMMs
V_TT
Termination Voltage for Address/Command/Con-
trol/Clock nets.
NC
NC Not used on UDIMMs
CK1
CK1
NC
S1
ODT1,NC
Used for 2 rank UDIMMs, not used on single-rank
UDIMMs, but terminated
Not used on RDIMMs
Used for dual-rank UDIMMs, not connected
on single-rank UDIMMs
Used for dual-rank UDIMMs, not connected
on single-rank UDIMMs
NC
Not used on UDIMMs
NC
CKE1,
NC
A15, NC
A14
A13
TEST input used only on bus analysis
probes
Used for dual-rank UDIMMs, not connected
on single-rank UDIMMs
Depending on device density, may not be
connected to SDRAMs on UDIMMs. However,
these signals are terminated on
UDIMMs. A15 not routed on some RCs
NC
Not used on UDIMMs
NC, CBn
DMn
Used on x72 UDIMMs, (n = 0...7); not
used on x64 UDIMMs
Connected to DM on x8 DRAMs, UDM or
LDM on x16 DRAMs on UDIMMs;
(n = 0...8)
NC
Not used on UDIMMs
NC
Not used on UDIMMs
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