ic42s32800 ETC-unknow, ic42s32800 Datasheet - Page 46

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

IC42S32800
IC42S32800L
Figure 15.2.Interleaved Column Write Cycle (Burst Length=4,CAS#Latency=2)
46
A0-A9
BS0,1
RAS#
CAS#
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
t
RCD
Command
Bank A
DAx0 DAx1 DAx2 DAx3
Write
CAx
t
RRD
Command
Activate
Bank B
RBw
RBw
Command
Bank B
Write
DBw0 DBw1
CBw
Command
Bank B
Write
DBx0 DBx1
CBx
Command
Bank B
DBy0 DBy1
Write
CBy
Command
Bank A
DAy0
Write
CAy
DAy1
Command
Bank B
DBz0 DBz1 DBz2 DBz3
Write
CBz
Precharge
Command
Bank A
Integrated Circuit Solution Inc.
t
RP
t
WR
Precharge
Command
Bank B
t
DR046-0B 12/21/2004
RP