參數(shù)資料
型號: HYB25D256160CC-5
廠商: INFINEON TECHNOLOGIES AG
英文描述: 256 Mbit Double Data Rate SDRAM
中文描述: 256兆雙倍數(shù)據(jù)速率SDRAM
文件頁數(shù): 84/94頁
文件大?。?/td> 3326K
代理商: HYB25D256160CC-5
HYB25D256[16/40/80]0C[E/C/F/T](L)
256 Mbit Double-Data-Rate SDRAM
Timing Diagrams
Data Sheet
85
Rev. 1.6, 2004-12
5.9
Read: Bank Read Access Command
Figure 47 shows the timing diagram for Read Bank Read Access.
Figure 47
Bank Read Access (Burst Length = 4)
t HZ
(m
ax
)
t LZ
(ma
x)
t HZ
(min
)
t RPST
t LZ
(min
)
t IH
t IS
t IH
t IS
t IH
t IS
t IH
t IS
t IH
t IS
t CL
t CH
t CK
R
ead
NO
P
R
E
NO
P
N
O
P
A
C
T
N
O
P
NO
P
BA
x
BA
x*
VAL
ID
NOP
A
CT
RA
BA
x
DO
n
C
K
C
K
CK
E
Comma
nd
A1
0
BA
0,
B
A
1
DM
DQ
S
DQ
S
DQ
t DQSCK
(m
ax
)
t RP
RE
CL=
2
CL=
2
t RP
RE
Don’t
Car
e
Case
1:
t AC
/t
DQ
S
C
K
=
m
in
Case
2:
t AC
/t
DQ
S
C
K
=
max
t RPS
T
t AC
(m
ax)
t LZ
(m
ax)
t DQSCK
(m
in)
t AC
(min
)
DO
n
COL
n
RARA
ALL
BA
NK
S
RA
ON
E
BA
N
K
D
IS
AP
BA
x
t RP
DO
n
=
dat
a
out
fr
om
column
n.
3
sub
seq
uent
eleme
n
ts
of
da
ta
ou
tare
pr
ovided
in
the
prog
rammed
or
der
fo
llowin
g
DO
n.
DI
S
AP
=
disable
A
u
to
P
rechar
ge.
*
=
Don
'tc
are
if
A1
0
is
High
at
th
is
poi
nt.
P
R
E
=
Pr
echarg
e
;ACT
=
A
ct
ive;
RA
=
Row
a
ddre
ss;
B
A
=
B
ank
a
ddre
ss.
NO
P
co
mmands
are
shown
fo
rease
of
ill
ustra
tio
n;
ot
her
comman
d
s
ma
ybe
valid
at
the
se
times.
t RCD
A0-
A
9,
A
11,
A
1
2
t RAS
t RC
t LZ
(m
in)
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