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AS4C64M8D2 데이터시트(PDF) 45 Page - Alliance Semiconductor Corporation

부품명 AS4C64M8D2
상세설명  Fully synchronous operation
PDF  59 Pages
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제조업체  ALSC [Alliance Semiconductor Corporation]
홈페이지  https://www.alliancememory.com
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AS4C64M8D2 데이터시트(HTML) 45 Page - Alliance Semiconductor Corporation

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AS4C64M8D2
Confidential
45
Rev. 1.0
Feb. /2014
Figure 30. Burst read operation followed by precharge:
(RL=4, AL=1, CL=3, BL=4, tRTP ≦2 clocks)
CK#
CK
CMD
T0
T1
T4
T5
T6
T7
T8
T2
T3
Post CAS#
Read A
NOP
NOP
Precharge
NOP
NOP
NOP
Bank A
Active
NOP
DQS
DQS#
AL+BL'/2 clks
DOUTA0 DOUTA1 DOUTA2 DOUTA3
DQ
>=tRP
AL=1
CL=3
RL=4
>=tRAS
>=tRTP
CL=3
Figure 31. Burst read operation followed by precharge:
(RL=4, AL=1, CL=3, BL=8, tRTP≦2 clocks)
CK#
CK
CMD
T0
T1
T4
T5
T6
T7
T8
T2
T3
Post CAS#
READ A
NOP
NOP
NOP
NOP
Precharge A
NOP
NOP
NOP
DQS
DQS#
RL= 4
DOUT
A0
DOUT
A1
DOUT
A2
DOUT
A3
DQ's
AL + BL/2 clks
CL = 3
AL = 1
First 4-bit prefetch
>=tRTP
Second 4-bit prefetch
DOUT
A4
DOUT
A5
DOUT
A6
DOUT
A7



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