ic42s16400a ETC-unknow, ic42s16400a Datasheet - Page 61

• Manufacturer Part Number: ic42s16400a
• Description: 1m X 16bit X 4 Banks 64-mbit Sdram
• Manufacturer: ETC-unknow

IC42S16400A
Full Page Write Cycle (1 of 2)
BS1=”L”, Bank C,D = Idle
Integrated Circuit Solution Inc.
DR039-0A 02/19/2004
*BS0
DQM
ADD
CKE
RAS
CAS
CLK
A10
WE
DQ
CS
High
Hi-Z
Command
Activate
Bank A
Ra
Ra
T0 T1 T2 T3 T4 T5 T6 T7
t
Command
CK2
Bank A
Write
QAa
Ca
QAa+1
Command
Bank B
Activate
QAa+2 QAa+3 QAa-1 QAa
Ra
Ra
The burst counter wraps
from the highest order
page address back to zero
during this time interval
QAa+1
Command
T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Write
QBa
Bank B
Ca
QBa+1 QBa+2 QBa+3 QBa+4 QBa+5
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
Data is ignored
Burst Length=Full Page, CAS Latency=2
QBa+6
Burst Stop
Command
t
BDL
Precharge
Command
Bank B
Command
Activate
Bank B
Rb
Rb
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