Datasheet

T
T
T
S
S
S
1
1
1
2
2
2
8
8
8
M
M
M
D
D
D
R
R
R
7
7
7
2
2
2
V
V
V
6
6
6
L
L
L
5
5
5
184Pin DDR266 1U Registered DIMM
1GB With 64Mx4 CL2.5
Dimensions
Side Millimeters Inches
A 133.35±0.20 5.250±0.008
B 72.39 2.850
C 6.35 0.250000
D 2.20 0.0870
E 30.48±0.20 1.20±0.00800
F 19.80 0.779
G 4.00 0.157
H 12.00 0.472
I 1.27±0.10 0.050±0.004
Pin Identification
Symbol Function
SA0~SA12, SBA0, SBA1 Address input
SDQ0~SDQ63 Data Input / Output.
SCB0~SCB7 Check bit
SDQS0~SDQS8,
SDM0~SDM8
Data strobe input/output
CK0, /CK0 Clock Input.
SCKE0, SCKE1 Clock Enable Input.
/SCS0, /SCS1 Chip Select Input.
/SRAS Row Address Strobe
/SCAS Column Address Strobe
/SWE Write Enable
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
EA0~EA2 Address in EEPROM
SCL Serial PD Clock
SDA Serial PD Add/Data
input/output
VDDID VDD Identification Flag
VSS Ground
/RESET Reset enable
NC No Connection
Transcend Information Inc.
2