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HYMD564G726A8-M Datasheet, PDF (9/16 Pages) Hynix Semiconductor – Registered DDR SDRAM DIMM
HYMD564G726A(L)8-M/K/H/L
AC CHARACTERISTICS (AC operating conditions unless otherwise noted)
Parameter
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
Write to Read Command Delay
Auto Precharge Write
Recovery+Precharge Time
System Clock
Cycle Time
CL = 2.5
CL = 2
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
Data-out high-impedance window
from CK, /CK
Data-out low-impedance window
from CK, /CK
Input Setup Time (fast slew rate)
Input Hold Time (fast slew rate)
Input Setup Time (slow slew rate)
Input Hold Time (slow slew rate)
Input Pulse Width
-M(DDR2662-2-2) -K(DDR266A)
Symbol
Min Max Min Max
tRC
60
-
65
-
tRFC
75
-
75
-
tRAS
45
120K
45 120K
tRAP
tRCD or
tRP min
-
tRCD or
tRP min
-
tRCD
15
-
20
-
tRRD
15
-
15
-
tCCD
1
-
1
-
tRP
20
-
20
-
tWR
15
-
15
-
tWTR
1
-
1
-
tDAL
2+(tRP/
tCK)
-
5
-
7.5
12
7.5
12
tCK
7.5
12
7.5
12
tCH 0.45 0.55 0.45 0.55
tCL
0.45 0.55 0.45 0.55
tAC -0.75 0.75 -0.75 0.75
tDQSCK -0.75 0.75 -0.75 0.75
tDQSQ
-
0.5
tQH
tHP
tQHS
tDV
tHPmin
-tQHS
-
tCH/L
min
-
-
0.75
tQH-tDQSQ
tHZ -0.75 0.75
-
0.5
tHPmin
-tQHS
-
tCH/L
min
-
-
0.75
tQH-tDQSQ
-0.75 0.75
tLZ -0.75 0.75 -0.75 0.75
tIS
0.9
-
0.9
-
tIH
0.9
-
0.9
-
tIS
1.0
-
1.0
-
tIH
1.0
-
1.0
-
tIPW
2.2
-
2.2
-
-H(DDR266B)
Min Max
65
-
75
-
45 120K
tRCD or
tRP min
-
20
-
15
-
1
-
20
-
15
-
1
-
5
-
7.5
12
10
12
0.45 0.55
0.45 0.55
-0.75 0.75
-0.75 0.75
-
0.5
tHPmin
-tQHS
-
tCH/L
min
-
-
0.75
tQH-tDQSQ
-0.75 0.75
-0.75 0.75
0.9
-
0.9
-
1.0
-
1.0
-
2.2
-
-L(DDR200)
Min Max
70
-
80
-
50 120K
tRCD or
tRP min
-
20
-
15
-
1
-
20
-
15
-
1
-
(tWR/
tCK)+(t -
RP/tCK)
8
12
10
12
0.45 0.55
0.45 0.55
-0.75 0.75
-0.75 0.75
-
0.6
tHPmin
-tQHS
-
tCH/L
min
-
-
0.75
tQH-tDQSQ
-0.8 0.8
-0.8 0.8
1.1
-
1.1
-
1.1
-
1.1
-
2.5
-
Unit Note
ns
ns
ns
ns 16
ns
ns
CK
ns
ns
CK
CK 15
ns
ns
CK
CK
ns
ns
ns
ns 1, 10
ns 1,9
ns 10
ns
ns
ns
ns
2,3,5
,6
ns
2,3,5
,6
ns
2,4,5
,6
ns
2,4,5
,6
ns 6
Rev. 0.1/Jan. 2003
9