EDX5116ABSE-3B-E Datasheet

  • EDX5116ABSE-3B-E

  • 512M bits XDR DRAM (32M words ?16 bits)

  • 3580.77KB

  • 78页

  • ELPIDA

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EDX5116ABSE
Figure 7
ACT-, RD, WR-, PRE-to-PRE Packet Interactions
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0
CFM
CFM
CFMN
CFMN
RQ11..0
RQ11..0
ACT PRE
a
b
ACT
a
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t
RAS
PRE
b
DQ15..0
DQ15..0
No limit
DQN15..0
DQN15..0
APd Case (activate-precharge different bank)
a: ROWA Packet with ACT,Ba,Ra
Ba # Bb
b: ROWP Packet with PRE,Bb
APs Case (activate-precharge same bank)
a: ROWA Packet with ACT,Ba,Ra
Ba = Bb
b: ROWP Packet with PRR,Bb
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0
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CFM
CFMN
CFMN
RQ11..0
RQ11..0
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RD PRE
a
b
RD
a
t
RDP
PRE
b
DQ15..0
DQ15..0
No limit
DQN15..0
DQN15..0
RPd Case (read-precharge different bank)
a: COL Packet with RD,Ba,Ca
Ba # Bb
b: ROWP Packet with PRE,Bb
RPs Case (read-precharge same bank)
a: COL Packet with RD,Ba,Ca
b: ROWP Packet with PRR,Bb
Ba = Bb
T
0
CFM
CFM
CFMN
CFMN
RQ11..0
RQ11..0
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WR PRE
a
b
WR
a
t
WRP
PRE
b
DQ15..0
DQ15..0
No limit
DQN15..0
DQN15..0
WPd Case (write-precharge different bank)
a: COL Packet with WR,Ba,Ca
Ba # Bb
b: ROWP Packet with PRE,Bb
WPs Case (write-precharge same bank)
a: COL Packet with WR,Ba,Ca
Ba = Bb
b: ROWP Packet with PRE,Bb
T
0
CFM
CFM
CFMN
CFMN
RQ11..0
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RQ11..0
PRE
a
t
PP
PRE
b
PRE
a
t
RP
ACT
b
t
RAS
t
RC
PRE
b
DQ15..0
DQ15..0
DQN15..0
DQN15..0
PPd Case (precharge-precharge different bank)
a: ROWP Packet with PRE,Ba
Ba # Bb
b: ROWP Packet with PRE,Bb
PPs Case (precharge-precharge same bank)
a: ROWP Packet with PRE,Ba
Ba = Bb
b: ROWP Packet with PRE,Bb
Preliminary Data Sheet E0643E30 (Ver. 3.0)
19

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