Datasheet

J
J
J
M
M
M
3
3
3
3
3
3
4
4
4
S
S
S
6
6
6
4
4
4
3
3
3
A
A
A
-
-
-
7
7
7
5
5
5
256MB 168PIN PC133 CL3
SDRAM DIMM With 32M X 8 3.3VOLT
Dimensions
Side Millimeters Inches
A 133.35±0.40 5.250±0.016
B 65.67000 2.585000
C 23.49000 0.925000
D 8.89000 0.350000
E 3.00000 0.118000
F 29.21±0.200 1.150±0.0080
G 19.7800 0.778000
H 15.78 0.621
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.
CLK0, CLK2 Clock Input.
CKE0 Clock Enable Input.
/CS0, /CS2 Chip Select Input.
/RAS Row Address Strobe
/CAS Column Address Strobe
/WE Write Enable
DQM0~DQM7 Data (DQ) Mask
SA0~SA2 Address in EEPROM
SCL Serial PD Clock
SDA Serial PD Add/Data input/output
Vcc +3.3 Volt Power Supply
Vss Ground
NC No Connection
(Refer Block Diagram AND Pinouts)
Transcend information Inc. 2