參數(shù)資料
型號(hào): HYB25D256160BTL-6
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): 85/94頁
文件大?。?/td> 3326K
代理商: HYB25D256160BTL-6
Data Sheet
86
Rev. 1.6, 2004-12
HYB25D256[16/40/80]0C[E/C/F/T](L)
256 Mbit Double-Data-Rate SDRAM
Timing Diagrams
5.10
Write: Without Auto Precharge Command
Figure 48 shows the timing diagram for Write without Auto Precharge.
Figure 48
Write without Auto Precharge (Burst Length = 4)
t IH
t W
PST
t DQS
L
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
NO
P
N
O
P
NO
P
RE
N
O
P
N
O
P
AC
T
NO
P
BA
x
BA
NOP
W
ri
te
COL
n
RA
BA
x
*
VA
LID
DI
n=
Da
ta
in
for
column
n.
3
s
ubs
eq
ue
nt
el
emen
ts
of
data
in
ar
e
ap
plied
in
the
pr
og
ra
mmed
ord
e
r
follo
win
g
DIn.
DI
S
AP
=
Dis
able
Auto
Pr
ec
harge.
*=
Do
n'
tc
a
re
ifA10
is
H
igh
at
this
poin
t.
PR
E
=
Pr
ec
har
ge;
A
C
T
=
Ac
tive;
RA
=
Row
addr
es
s;
BA
=
B
ank
addr
e
ss.
N
O
P
co
mman
d
s
ar
e
sho
w
n
for
ea
se
of
illust
ration;
ot
he
rva
lid
co
mman
d
smay
be
possible
a
tthese
times.
DIn
C
K
C
K
CKE
Co
mman
d
A10
BA0,
BA1
DQ
S
DQ
DM
DI
S
AP
ALL
BAN
KS
ONE
BANK
t WR
t WPR
E
S
t DQS
H
Don
’tCa
re
A0-A9,
A11,
A12
t DQ
SS
=
min.
t DQS
S
t WPR
E
t DS
H
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