Datasheet

J
J
J
M
M
M
1
1
1
3
3
3
3
3
3
3
3
3
K
K
K
L
L
L
N
N
N
-
-
-
4
4
4
G
G
G
240PIN DDR3 1333 Unbuffered DIMM
4GB With 256Mx8 CL9
Transcend Information Inc.
2
Dimensions
Side Millimeters Inches
A 133.35±0.15 5.250±0.006
B 71 2.795
C 47 1.850
D 5 0.197
E 2.5 0.0980
F 1.5±0.10 0.059±0.039
G 5.175 0.204
H 2.311 0.091
I 3±0.1 0.118±0.00394
J 9.5 0.374
K 17.3 0.681
L 30±0.15 1.181±0.006
M 1.27±0.10 0.050±0.004
(Refer Placement)
Pin Identification
Symbol Function
A0~A15, BA0~BA2 Address/Bank input
DQ0~DQ63 Bi-direction data bus.
DQS0~DQS7 Data strobes
/DQS0~/DQS7 Differential Data strobes
CK0, /CK0,CK1, /CK1 Clock Input. (Differential pair)
CKE0, CKE1 Clock Enable Input.
ODT0, ODT1 On-die termination control line
/S0, /S1 DIMM rank select lines.
/RAS Row address strobe
/CAS Column address strobe
/WE Write Enable
DM0~DM7 Data masks/high data strobes
VDD Core power supply
VDDQ I/O driver power supply
V
REF
DQ I/O reference supply
V
REF
CA
Command/address reference
supply
V
DD
SPD SPD EEPROM power supply
SA0~SA2
I2C serial bus a
ddress select for
EEPROM
SCL I2C serial bus clock for EEPROM
SDA I2C serial bus data for EEPROM
VSS Ground
/RESET Set DRAMs Known State
VTT SDRAM I/O termination supply
NC No Connection