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W9425G6EH
11.21 4 Bank Interleave Read Operation (CL = 2, BL = 2)
CLK
CLK
t R C(a)
t R RD
t R R D
t R R D
t R R D
CMD
AC Ta
AC Tb
ACTc
R EADAa
ACTd
R EAD Ab
AC Ta
READ Ac
t R C D (a)
t R AS(a)
t R P
t R C D (b)
t R AS(b)
t R C D(c)
t RAS(c)
t R C D (d)
t RAS(d)
DQS
Pream ble
C L(a)
Postam ble
CL(b)
Pream ble
DQ
Q 0a
Q 1a
Q0b
Q 1b
ACTa/b/c/d : Bank Act. C M D of bank a/b/c/d
READ Aa/b/c/d : Read w ith Auto Pre.CM D of bank a/b/c/d
APa/b/c/d : Auto Pre. of bank a/b/c/d
APa
APb
11.22 4 Bank Interleave Read Operation (CL = 2, BL = 4)
CLK
CLK
t R C (a )
t R R D
t R R D
t R R D
t R R D
CMD
ACTa
ACTb
READAa
ACTc
READAb
ACTd
READAc
ACTa
READAd
t R C D (a )
t R A S (a )
t R P (a )
t R C D (b )
t R A S (b )
t R C D (c )
t R A S (c )
t R C D (d )
t R A S (d )
DQS
P re a m b le
C L (a )
C L (b )
C L (c )
DQ
Q 0a
Q1a
Q 0a
Q 1a
Q2a
Q 3a
Q0b
Q 1b
Q 2b
Q3b
A C T a /b /c /d : B a n k A c t. C M D o f b a n k a /b /c /d
R E A D A a /b /c /d : R e a d w ith A u to P re .C M D o f b a n k a /b /c /d
A P a /b /c /d : A u to P re . o f b a n k a /b /c /d
APa
APb
APc
Publication Release Date:Dec. 03, 2008
- 50 -
Revision A08
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