NT5DS64M4AT Datasheet, PDF (24/78 Pages) List of Unclassifed Manufacturers – 256Mb Double Data Rate SDRAM

NT5DS64M4AT NT5DS64M4AW
NT5DS32M8AT NT5DS32M8AW
256Mb Double Data Rate SDRAM
Non-Consecutive Read Bursts: CAS Latencies (Burst Length = 4)
CK
CK
Command
Address
DQS
DQ
CAS Latency = 2
Read
BAa, COL n
NOP
CL=2
NOP
Read
BAa, COL b
NOP
DO a-n
NOP
DOa- b
CK
CK
Command
Address
Read
BAa, COL n
DQS
DQ
NOP
NOP
CL=2.5
Read
BAa, COL b
DO a-n
CAS Latency = 2.5
NOP
NOP
NOP
DOa- b
DO a-n (or a-b) = data out from bank a, column n (or bank a, column b).
3 subsequent elements of data out appear in the programmed order following DO a-n (and following DO a-b).
Shown with nominal t_AC, t_DQSCK, and t_DQSQ.
Don’t Care
REV 1.1
12/2001
24
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