ic42s16400 ETC-unknow, ic42s16400 Datasheet - Page 62

• Manufacturer Part Number: ic42s16400
• Description: 1m X 16bit X 4 Banks 64-mbit Sdram
• Manufacturer: ETC-unknow

IC42S16400
Full Page Write Cycle (2 of 2)
BS1=”L”, Bank C,D = Idle
62
*BS0
DQM
ADD
CKE
CAS
RAS
CLK
A10
WE
DQ
CS
High
Hi-Z
Command
Activate
Bank A
Ra
Ra
T0 T1 T2 T3 T4 T5 T6 T7
t
CK3
Command
Bank A
Write
DAa
Ca
DAa+1
Command
Bank B
Activate
DAa+2 DAa+3 DAa-1
Ra
Ra
The burst counter wraps
from the highest order
page address back to zero
during this time interval
DAa
T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
DAa+1
Command
Write
Bank B
DBa
Ca
Full page burst operation
does not terminate when
the burst length is satisfied;
the burst counter increments
and continues bursting
beginning with the starting
address
DBa+1 DBa+2 DBa+3 DBa+4 DBa+5
Burst Length=Full Page, CAS Latency=3
t BDL
Burst Stop
Command
Precharge
Command
Bank B
Integrated Circuit Solution Inc.
Data is ignored.
Command
Activate
Bank B
Rb
Rb
DR034-0E 12/02/2003