參數(shù)資料
型號: 5962D1022901QXC
元件分類: DRAM
英文描述: 64M X 40 SYNCHRONOUS DRAM, 5.4 ns, CQFP128
封裝: CERAMIC, QFP-128
文件頁數(shù): 57/68頁
文件大?。?/td> 1475K
代理商: 5962D1022901QXC
60
Figure 44: Single WRITE - Without Auto Precharge
ACTIVE
NOP
WRITE
NOP
PRE
NOP
ROW
column
ROW
BANK
Din m
m+1
m+2
m+3
tDH
tDS
tDH
tDS
tDH
tDS
tDH
tDS
tAH
tAS
tAH
tAS
tAH
tAS
tCMH
tCMS
tCMH
tCMS
tCKH
tCKS
tRP
tRC
tWR2
tRAS
tCL
tCH
tRCD
tCK
Notes:
1. For this example, BL= 1, and the WRITE burst is followed by a manual PRECHARGE.
2. 14ns to 15ns is required between <Din m > and the PRECHARGE command, regardless of frequency.
3. A12 = "Dont Care."
ALL BANKS
SINGLE BANK
DISABLE AUTO PRECHARGE
CLK
CKE
COMMAND
DQM
A(0:9,11:12)
A(10)
BA(0,1)
DQ
Don’t Care
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
CHARGE
ACTIVE
BANK
4. PRECHARGE command not allowed else tRAS would be violated.
m3
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