KSZ8041 Hynix Semiconductor, KSZ8041 Datasheet - Page 24

• Manufacturer Part Number: KSZ8041
• Manufacturer: Hynix Semiconductor

Rev. 0.04 /Jul. 2006
AC CHARACTERISTICS
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
21
24
Parameter
22
19,20
CL = 4
CL = 3
20
20
(note: 1 - 9 / AC operating conditions unless otherwise noted)
Symbol
t
t
DQSCK
t
t
t
t
DQSQ
t
t
t
t
t
t
WTR
t
t
t
t
t
t
QHS
t
RCD
RRD
CCD
t
t
RFC
RAS
RAP
DAL
WR
CH
QH
DV
RC
RP
CK
AC
HP
CL
t
(t
(t
(t
RAS
t
WR
RCD
RP
-t
CL
0.45
0.45
Min
-0.6
-0.6
t
min
t
60
72
40
12
12
20
15
QH
QHS
+
HP
(min)
1
2
4
,t
/t
-
-
-
/t
CH
CK
CK
or
- t
-4
)
)
)
DQSQ
Max
0.55
0.55
70K
0.6
0.6
0.4
0.5
10
-
-
-
-
-
-
-
-
-
-
-
-
-
t
(t
(t
(t
RAS
t
WR
RCD
RP
-t
CL
-0.55
0.45
0.45
Min
-0.7
t
min
t
55
70
40
15
10
15
15
QHS
QH
HP
-5 / D43
+
1
2
5
(min)
/t
,t
-
-
-
/t
CH
CK
CK
or
- t
)
)
)
DQSQ
HY5DU281622FT(P) Series
Max
0.55
0.55
0.55
70K
0.7
0.4
0.5
10
-
-
-
-
-
-
-
-
-
-
-
-
-
t
(t
(t
(t
RAS
t
WR
RCD
RP
-t
CL
-0.65
Min
0.45
0.45
-0.7
t
min
t
60
70
40
18
10
18
15
QHS
QH
+
HP
1
2
5
(min)
,t
/t
-
-
-
/t
CH
CK
or
CK
- t
D4
)
)
)
DQSQ
Max
0.55
0.55
0.65
70K
0.4
0.5
0.7
10
-
-
-
-
-
-
-
-
-
-
-
-
-
UNIT
t
t
t
t
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CK
C
CK
CK
CK
K
24