參數(shù)資料
型號(hào): EDX5116ABSE-3B-E
廠商: ELPIDA MEMORY INC
元件分類: DRAM
英文描述: 512M bits XDR DRAM (32M words ?16 bits)
中文描述: 32M X 16 RAMBUS, PBGA104
封裝: LEAD FREE, FBGA-104
文件頁數(shù): 17/78頁
文件大小: 3611K
代理商: EDX5116ABSE-3B-E
Preliminary Data Sheet E0643E30 (Ver. 3.0)
17
EDX5116ABSE
Figure 5
ACT-, RD-, WR-, PRE-to-RD Packet Interac tions
T
0
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1
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3
CFMN
DQN15..0
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8
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0
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1
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2
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3
CFMN
RQ11..0
RQ11..0
DQ15..0
DQN15..0
DQN15..0
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4
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8
a: ROWA Packet with ACT,Ba,Ra
b: COL Packet with RD,Bb,Cb
T
0
T
1
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3
CFMN
DQN15..0
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CFMN
DQN15..0
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8
ARd Case (activate-read different bank)
ARs Case (activate-read same bank)
a: ROWA Packet with ACT,Ba,Ra
b: COL Packet with RD,Bb,Cb
RRd Case (read-read different bank)
a: COL Packet with RD,Ba,Ca
b: COL Packet with RD,Bb,Cb
RRs Case (read-read same bank)
a: COL Packet with RD,Ba,Ca
b: COL Packet with RD,Bb,Cb
WRd Case (write-read different bank)
a: COL Packet with WR,Ba,Ca
b: COL Packet with RD,Bb,Cb
WRs Case (write-read same bank)
a: COL Packet with WR,Ba,Ca
b: COL Packet with RD,Bb,Cb
PRd Case (precharge-read different bank)
a: ROWP Packet with PRE,Ba
b: COL Packet with RD,Bb,Cb
PRs Case (precharge-read same bank)
a: ROWP Packet with PRE,Ba
b: COL Packet with RD,Bb,Cb
Ba Bb
/
Ba = Bb
Ba Bb
/
Ba = Bb
Ba Bb
/
Ba = Bb
Ba Bb
=
Ba = Bb
No limit
a
PRE
b
RD
No limit
a
ACT
b
RD
t
RP
+t
RCD-R
t
RP
t
RCD-R
a
PRE
b
RD
B
ACT
t
RCD-R
a
ACT
b
RD
t
CC
b
RD
a
RD
t
WR
b
RD
a
WR
t
WR
b
RD
a
WR
t
CC
b
RD
a
RD
DQ15..0
CFM
RQ11..0
DQ15..0
CFM
RQ11..0
CFM
CFMN
DQ15..0
CFM
RQ11..0
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