ic42s32800 ETC-unknow, ic42s32800 Datasheet - Page 56

• Manufacturer Part Number: ic42s32800
• Description: 2m X 32 Bit X 4 Banks 256-mbit Sdram
• Manufacturer: ETC-unknow

IC42S32800
IC42S32800L
Figure 20.Byte Write Operation (Burst Length=4,CAS#Latency=2)
56
DQ8 - DQ15
DQ0 - DQ7
DQM1,2,3
DQM0
BS0,1
A0-A9
CAS#
RAS#
WE#
CKE
CLK
CS#
A10
High
Command
Activate
Bank A
RAx
RAx
T0 T 1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
t
Command
Bank A
CK2
Read
CAx
Upper 3 Bytes
are masked
Ax0
Ax1
Ax1
Lower Byte
is masked
Ax2
Ax2
Ax3
Command
Bank A
Write
DAy0 DAy1
CAy
DAy1 DAy2
Upper 3 Bytes
are masked
DAy3
Command
Bank A
CAz
Read
Lower Byte
is masked
Integrated Circuit Solution Inc.
Az1
Az1
Az2
Az2
Az3
Lower Byte
is masked
DR046-0B 12/21/2004