NT5DS32M4AT
NT5DS16M8AT
128Mb Double Data Rate SDRAM
Read to Precharge: CAS Latencies (Burst Length = 4 or 8)
CAS Latency = 2
CK
CK
Read
NOP
PRE
NOP
NOP
ACT
Command
t
R P
BA a, COL n
BA a or all
BA a, ROW
Address
CL=2
DQS
DQ
DOa-n
CAS Latency = 2.5
CK
CK
Read
NOP
PRE
NOP
NOP
ACT
Command
t
R P
BA a or all
BA a, COL n
BA a, ROW
Address
CL=2.5
DQS
DQ
DOa-n
DO a-n = data out from bank a, column n.
Cases shown are either uninterrupted bursts of 4 or interrupted bursts of 8.
3 subsequent elements of data out appear in the programmed order following DO a-n.
Shown with nominal t , t , and t
.
DQSQ
AC DQSCK
Don’ t Care
28
REV 1.0
May, 2001
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NANYA TECHNOLOGY CORP. All rights reserved.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.