參數(shù)資料
型號: IBMN612804GT3B
廠商: IBM Microeletronics
英文描述: 128Mb Double Data Rate Synchronous DRAM(128M位高速CMOS同步動態(tài)RAM(采用雙數(shù)據(jù)速率結(jié)構(gòu)))
中文描述: 128Mb的雙數(shù)據(jù)速率同步DRAM(128兆位高速的CMOS同步動態(tài)隨機存儲器(采用雙數(shù)據(jù)速率結(jié)構(gòu)))
文件頁數(shù): 39/79頁
文件大?。?/td> 1324K
代理商: IBMN612804GT3B
IBMN612404GT3B
IBMN612804GT3B
Preliminary
128Mb Double Data Rate Synchronous DRAM
06K0566.F39350B
1/01
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 39 of 79
Write to Read: Nominal DQSS, Interrupting (CAS Latency = 2; Burst Length = 8)
T1
T2
T3
T4
T5
T6
t
DQSS
(nom)
NOP
NOP
NOP
Read
Write
NOP
DI a-b = data in for bank a, column b.
An interrupted burst is shown, 4 data elements are written.
3 subsequent elements of data in are applied in the programmed order following DI a-b.
t
WTR
is referenced from the first positive CK edge after the last desired data in pair.
The Read command masks the last 2 data elements in the burst.
A10 is Low with the Write command (Auto Precharge is disabled).
The Read and Write commands are not necessarily to the same bank.
1 = These bits are incorrectly written into the memory array if DM is low.
DI a-b
CK
CK
Command
Address
DQS
DQ
DM
Don’t Care
BAa, COL b
BAa, COL n
t
WTR
CL = 2
1
1
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