M393B1K70CH0 Datasheet, PDF (7/53 Pages) Samsung semiconductor – 240pin Registered DIMM based on 2Gb C-die

Registered DIMM
datasheet
Rev. 1.0
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
Number
2
64
8
9
9
9
9
RFU
Reserved for Future Use
2
EVENT
Reserved for optional hardware temperature
sensing
1
TEST
Memory bus test toll (Not Connected and Not
Usable on DIMMs)
1
RESET Register and SDRAM control pin
1
V_DD
Power Supply
22
V_SS
Ground
59
V_REFDQ Reference Voltage for DQ
1
V_REFCA Reference Voltage for CA
1
V_TT
Termination Voltage
4
V_DDSPD SPD Power
1
Total
240
6. ON DIMM Thermal Sensor
SCL
EVENT
WP/EVENT
R1
0Ω
SA0
SA1
R2
0Ω
SA0
SA1
SA2
SA2
SDA
[ 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-