M393B1K73DH0 Datasheet, PDF (7/56 Pages) Samsung semiconductor – 240pin Registered DIMM

Registered DIMM
datasheet
Rev. 1.3
DDR3 SDRAM
5. Pin Description
Pin Name
CK0
CK0
CKE[1:0]
RAS
CAS
Description
Clock Input, positive line
Clock Input, negative line
Clock Enables
Row Address Strobe
Column Address Strobe
WE
Write Enable
Number
1
1
2
1
1
1
S[3:0] Chip Selects
4
A[9:0],A11,
A[15:13]
Address Inputs
2\14
A10/AP Address Input/Autoprecharge
1
A12/BC Address Input/Burst chop
1
BA[2:0] SDRAM Bank Addresses
3
SCL
Serial Presence Detect (SPD) Clock Input
1
SDA
SPD Data Input/Output
1
SA[2:0] SPD Address Inputs
3
Par_In Parity bit for the Address and Control bus
1
Err_Out
Parity error found on the Address and Control
bus
1
NOTE :
* The V_DD and V_DDQ pins are tied common to a single power-plane on these designs.
Pin Name
Description
ODT[1:0] On Die Termination Inputs
DQ[63:0] Data Input/Output
CB[7:0] Data check bits Input/Output
DQS[8:0] Data strobes
DQS[8:0] Data strobes, negative line
DM[8:0]/
DQS[17:9]
TDQS[17:9]
Data Masks/ Data strobes,
Termination data strobes
DQS[17:9] Data strobes, negative line, Termination data
TDQS[17:9] strobes
RFU
Reserved for Future Use
EVENT
TEST
RESET
V_DD
V_SS
V_REFDQ
V_REFCA
V_TT
V_DDSPD
Reserved for optional hardware temperature
sensing
Memory bus test toll (Not Connected and Not
Usable on DIMMs)
Register and SDRAM control pin
Power Supply
Ground
Reference Voltage for DQ
Reference Voltage for CA
Termination Voltage
SPD Power
Total
Number
2
64
8
9
9
9
9
2
1
1
1
22
59
1
1
4
1
240
6. ON DIMM Thermal Sensor
SCL
EVENT
WP/EVENT
R1
0Ω
SA0
SA1
R2
0 Ω _SA0
SA1
SA2
SA2
SDA
NOTE : 1. All Samsung RDIMM support Thermal sensor on DIMM
2. When the SPD and the thermal sensor are placed on the module, R1 is placed but R2 is not.
When only the SPD is placed on the module, R2 is placed but R1 is not.
[ Table 1 ] Temperature Sensor Characteristics
Grade
Range
75 < Ta < 95
B
40 < Ta < 125
-20 < Ta < 125
Resolution
Temperature Sensor Accuracy
Min.
Typ.
Max.
-
+/- 0.5
+/- 1.0
-
+/- 1.0
+/- 2.0
-
+/- 2.0
+/- 3.0
0.25
Units
°C
°C /LSB
NOTE
-
-
-
-
-7-