256Mb (8-Meg X 8-Bit X 4-Banks) SDRAM
48SD3208
Pinout Description
Pin Descriptions
Pin Name
PKGGND
A0 to A12
BA0, BA1
Address Input
Row Address A0 to A12
Column Address A0 to A9
Bank Select Address BA0/BA1 (BS)
DQ0 to DQ7
CS\
RAS\
CAS\
WE\
DQM
CLK
CKE
Vcc
Vss
VccQ
VssQ
NC
Data-Input/Output
Chip Select
Row Address Strobe
Column Address Strobe
Write Enable
Input/Output Mask
Clock Input
Clock Enable
Power for internal circuits
Ground for internal circuits
Power for DQ circuits
Ground for DQ circuits
No Connection
Function
Package Ground
Memory
01.10.05 Rev 2
All data sheets are subject to change without notice
2
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