ic42s32800 ETC-unknow, ic42s32800 Datasheet - Page 42

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

IC42S32800
IC42S32800L
Figure 13.2.Read and Write Cycle (Burst Length=4,CAS#Latency=2)
42
BS0,1
CAS#
A0-A9
RAS#
DQM
WE#
CKE
CLK
CS#
A10
DQ
Hi-Z
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
Command
Activate
Bank A
RAx
RAx
t
CK2
Command
Bank A
Read
CAx
Ax0
Ax1
Ax2
Ax3
Command
Bank A
Write
DAy0 DAy1
CAy
is Masked with a
The Write Data
Zero Clock
Latency
DAy3
Command
Bank A
CAz
Read
Integrated Circuit Solution Inc.
Az0
Az1
is Masked with a
The Read Data
Two Clock
Latency
DR046-0B 12/21/2004
Az3