Datasheet

T
T
T
S
S
S
6
6
6
4
4
4
M
M
M
D
D
D
R
R
R
7
7
7
2
2
2
V
V
V
6
6
6
F
F
F
5
5
5
184 PIN DDR266 Registered DIMM
512MB With 32Mx8 CL2.5
Dimensions
Side Millimeters Inches
A 133.35±0.20 5.250±0.008
B 72.39 2.850
C 6.35 0.250
D 2.20 0.087
E 30.48±0.20 1.20±0.008
F 19.80 0.779
G 4.00 0.157
H 12.00 0.472
I 1.27±0.10 0.050±0.004
(Refer Placement)
Pin Identification
Symbol Function
A0~A12, BA0, BA1 Address input
DQ0~DQ63 Data Input / Output.
CB0~CB7 Check bit (Data-in/data out)
DQS0~DQS8 Data strobe input/output
CK0, /CK0 Clock Input.
CKE0, CKE1 Clock Enable Input.
/CS0, /CS1 Chip Select Input.
/RAS Row Address Strobe
/CAS Column Address Strobe
/WE Write Enable
DM0~DM8 Data-in Mask
VDD +2.5 Voltage power supply
VDDQ +2.5 Voltage Power Supply for DQS
VREF Power Supply for Reference
VDDSPD +2.5 Voltage Serial EEPROM
Power Supply
SA0~SA2 Address in EEPROM
SCL Serial PD Clock
SDA Serial PD Add/Data input/output
VSS Ground
/RESET Reset enable
NC No Connection
Transcend Information Inc.
2