參數(shù)資料
型號(hào): 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(yè)數(shù): 82/94頁(yè)
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
83
Rev. 1.6, 2004-12
5.7
Read: Without Auto Precharge Command
Figure 45 shows the timing diagram for Read without Auto Precharge.
Figure 45
Read without Auto Precharge (Burst Length = 4)
t HZ
(m
ax
)
t LZ
(ma
x)
t HZ
(min
)
t RP
ST
t LZ
(m
in)
t IH
t IS
t IH
t IS
t IH
t IS
t IH
t IS
t IH
t IS
t RP
t CL
t CH
t CK
P
R
E
N
OP
NOP
A
CT
NO
P
N
OP
N
O
P
NOP
D
O
n
=
da
ta
out
fro
m
column
n.
3
subseque
nt
el
ement
s
of
dat
a
out
ar
e
provid
ed
in
the
pr
ogra
mmed
orde
r
fo
llowing
DO
n.
*=
Don't
car
eif
A10
is
High
at
this
point.
PRE
=
Prechar
ge;
ACT
=
Active;
RA
=
R
ow
addr
ess;
BA
=
Bank
a
ddress.
NOP
comman
d
s
ar
e
sho
w
n
fo
r
ea
se
of
illust
rat
ion;
ot
her
commands
may
be
v
alid
at
these
ti
mes.
BA
x
B
A
x
VA
LID
V
A
L
ID
VA
LID
NO
P
R
ea
d
COL
n
RA
BA
x
*
DO
n
CKE
C
ommand
A10
B
A
0,
BA1
DM
DQS
DQ
DQS
DQ
A0-A
9,
A1
1,
A1
2
ALL
BANKS
ONE
BANK
t DQSCK
(m
ax
)
t RPRE
CL=2
t RPRE
Don’t
C
are
Ca
se
1:
t AC
/t
DQ
SCK
=
min
Ca
se
2:
t AC
/t
DQ
SCK
=
max
t RPS
T
t AC
(ma
x)
t LZ
(m
ax)
t DQ
S
C
K
(mi
n)
t AC
(min
)
DO
n
C
K
C
K
DIS
AP
DI
S
AP
=
Disable
Aut
oPrecharge.
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