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AS4C2M32SA 데이터시트(PDF) 25 Page - Alliance Semiconductor Corporation

부품명 AS4C2M32SA
상세설명  64Mb SDRAM AS4C2M32SA - 86pin TSOP II PACKAGE
PDF  54 Pages
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제조업체  ALSC [Alliance Semiconductor Corporation]
홈페이지  https://www.alliancememory.com
Logo ALSC - Alliance Semiconductor Corporation

AS4C2M32SA 데이터시트(HTML) 25 Page - Alliance Semiconductor Corporation

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Figure 22. Power on Sequence and Auto Refresh
Hi-Z
T0 T1 T2
Don’t Care
Inputs must be
Stable for
200µs
T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
tMRD
Mode Register
Set Command
High Level
Is reguired
Minimum for 2 Refresh Cycles are required
tRP
Precharge All
Command
1st Auto Refresh(*)
Command
2nd Auto Refresh(*)
Command
Any
Command
Note(*): The Auto Refresh command can be issue before or after Mode Register Set command
CLK
CS#
CKE
RAS#
CAS#
WE#
BA0,1
A10
A0-A9
DQM
DQ
Address Key
AS4C2M32SA-6TIN
AS4C2M32SA-6TCN
AS4C2M32SA-7TCN
Confidential
-25/54-
Rev.1.0 Sep. 2015



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