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AS4C2M32SA Datasheet(PDF) 22 Page - Alliance Semiconductor Corporation

Part # AS4C2M32SA
Description  64Mb SDRAM AS4C2M32SA - 86pin TSOP II PACKAGE
PDF  54 Pages
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Manufacturer  ALSC [Alliance Semiconductor Corporation]
Direct Link  https://www.alliancememory.com
Logo ALSC - Alliance Semiconductor Corporation

AS4C2M32SA Datasheet(HTML) 22 Page - Alliance Semiconductor Corporation

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Timing Waveforms
Figure 19. AC Parameters for Write Timing (Burst Length=4)
T0 T1 T2
Don’t Care
tCH
Activate
Command
Bank A
T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
tCL
Begin Auto
Precharge Bank B
RAx
RBx
RAy
RAx
CAx
RBx
CBx
RAy
CAy
Ax0
Ax1
Ax2
Ax3
Bx0
Bx1
Bx2
Bx3
Ay0
Ay1
Ay2
Ay3
tRCD
tRC
tDAL
tWR
Write with
Auto Precharge
Command
Bank A
Activate
Command
Bank B
Write with
Auto Precharge
Command
Bank B
Activate
Command
Bank A
Write
Command
Bank A
Precharge
Command
Bank A
tIS
tIS
tIH
tIH
tIS
Begin Auto
Precharge Bank A
tIS
tIH
Hi-Z
CLK
CS#
CKE
RAS#
CAS#
WE#
BA0,1
A10
A0-A9
DQM
DQ
AS4C2M32SA-6TIN
AS4C2M32SA-6TCN
AS4C2M32SA-7TCN
Confidential
-22/54-
Rev.1.0 Sep. 2015



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