ic42s32800 ETC-unknow, ic42s32800 Datasheet - Page 58

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

IC42S32800
IC42S32800L
Figure 23.Full Page Random Column Write (Burst Length=Full Page,CAS#Latency=2)
58
BS0,1
CAS#
A0-A9
DQM
RAS#
WE#
CKE
CLK
CS#
A10
DQ
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
t
RRD
CK2
Command
Activate
Bank B
RBx CAx
RBx
Command
Bank A
t
DAx0 DBx0 DAy0 DAy1 DBy0 DBy1 DAz0 DAz1 DAz2 DBz0
Write
RCD
Command
Bank B
Write
CBx
Command
Bank A
Write
CAy
Command
Bank B
Write
CBy
Command
Bank A
CAz
Write
Command
Bank B
CBz
Write
DBz1 DBz2
(Precharge Temination)
Command Bank B
t
WR
Precharge
Write Data
is masked
Integrated Circuit Solution Inc.
t
RP
Command
Activate
Bank B
RBw
RBw
DR046-0B 12/21/2004