KSZ8041 Hynix Semiconductor, KSZ8041 Datasheet - Page 25

• Manufacturer Part Number: KSZ8041
• Manufacturer: Hynix Semiconductor

Rev. 0.04 /Jul. 2006
Row Cycle Time
Auto Refresh Row Cycle Time
Row Active Time
Active to Read with Auto
Precharge Delay
Row Address to Column
Address Delay
Row Active to Row Active Delay
Column Address to Column
Address Delay
Row Precharge Time
Write Recovery Time
Internal Write to Read
Command Delay
Auto Precharge Write Recovery
+ Precharge Time
System Clock
Cycle Time
Clock High Level Width
Clock Low Level Width
Data-Out edge to Clock edge
Skew
DQS-Out edge to Clock edge
Skew
DQS-Out edge to Data-Out
edge Skew
Data-Out hold time from
DQS
Clock Half Period
Data Hold Skew Factor
Valid Data Output Window
20
Parameter
24
21
19,20
CL = 3
CL = 2.5
CL = 2
22
20
Symbol
t
t
DQSCK
t
t
t
t
DQSQ
t
t
t
t
t
t
WTR
t
t
t
t
t
RCD
RRD
CCD
t
t
t
t
QHS
RFC
RAS
RAP
DAL
WR
QH
RC
RP
CK
CH
AC
HP
DV
CL
t
(t
(t
(t
RAS
t
WR
-t
RCD
RP
CL
0.45
0.45
Min
-0.6
-0.7
t
min
t
7.5
QHS
60
72
42
18
12
18
15
HP
QH
+
(min)
1
1
6
6
/t
-
,t
-
/t
CH
CK
CK
or
- t
)
)
J
)
DQSQ
Max
0.55
0.55
0.45
0.55
70K
0.6
0.7
12
12
12
-
-
-
-
-
-
-
-
-
-
-
-
t
(t
(t
(t
RAS
t
WR
-t
RCD
RP
CL
-0.75
-0.75
0.45
0.45
Min
t
min
t
7.5
7.5
QHS
65
75
45
20
15
20
15
HP
QH
+
1
1
(min)
/t
,t
-
-
-
/t
CH
CK
CK
or
- t
K
)
)
)
DQSQ
120K
HY5DU281622FT(P) Series
Max
0.55
0.55
0.75
0.75
0.75
0.5
12
12
-
-
-
-
-
-
-
-
-
-
-
-
-
t
(t
(t
(t
RAS
t
WR
-t
RCD
RP
CL
-0.75
-0.75
0.45
0.45
Min
t
min
t
7.5
QHS
65
75
50
20
15
20
15
10
HP
QH
+
(min)
1
1
/t
-
-
,t
-
/t
CH
CK
CK
or
- t
H
)
)
)
- Continue
DQSQ
120K
Max
0.55
0.55
0.75
0.75
0.75
0.5
12
12
-
-
-
-
-
-
-
-
-
-
-
-
-
UNIT
t
t
t
tCK
tCK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CK
CK
CK
25