NT5DS32M4AT
NT5DS16M8AT
128Mb Double Data Rate SDRAM
Read Burst: CAS Latencies (Burst Length = 4)
CAS Latency = 2
CK
CK
Read
NOP
NOP
NOP
NOP
NOP
Command
Address
BA a,COL n
CL=2
DQS
DQ
DOa-n
t
QCS
t
QFC
QCH
(Optional)
CAS Latency = 2.5
CK
CK
Read
NOP
NOP
NOP
NOP
NOP
Command
Address
BA a,COL n
CL=2.5
DQS
DQ
DOa-n
t
QCS
t
QFC
QCH
(Optional)
Don’ t Care
DO a-n = data out from bank a, column n.
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
QFC is an open drain driver. The output high level is achieved through an external pull up resistor connected to V
.
DDQ
21
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.
ETC [ ETC ]
