HYMD564M646A8-J Datasheet, PDF (10/17 Pages) Hynix Semiconductor – Unbuffered DDR SO-DIMM

HYMD564M646A(L)8-J/K/H
AC CHARACTERISTICS (AC operating conditions unless otherwise noted)
Parameter
Symbol
-J(DDR333)
Min Max
-K(DDR266A)
Min Max
-H(DDR266B)
Unit
Min Max
Note
Row Cycle Time
tRC
60
-
65
-
70
-
ns
Auto Refresh Row Cycle Time
tRFC
72
-
75
-
80
-
ns
Row Active Time
tRAS
42
70K
45 120K 45 120K ns
Active to Read with Auto Precharge Delay
tRAP
tRCD or
tRP min
-
tRCD or
tRP min
-
tRCD or
tRP min
-
ns
16
Row Address to Column Address Delay
tRCD
18
-
20
-
20
-
ns
Row Active to Row Active Delay
tRRD
12
-
15
-
15
-
ns
Column Address to Column Address Delay
tCCD
1
-
1
-
1
-
CK
Row Precharge Time
tRP
18
-
20
-
20
-
ns
Write Recovery Time
tWR
15
-
15
-
15
-
ns
Write to Read Command Delay
tWTR
1
-
1
-
1
-
CK
Auto Precharge Write Recovery+Precharge
Time
tDAL
2+(tRP/
tCK)
-
5
-
5
-
CK
15
System Clock Cycle Time
CL = 2.5
CL = 2
6
12
7.5
12
7.5
12
ns
tCK
7.5
12
7.5
12
10
12
ns
Clock High Level Width
tCH 0.45 0.55 0.45 0.55 0.45 0.55 CK
Clock Low Level Width
tCL
0.45 0.55 0.45 0.55 0.45 0.55 CK
Data-Out edge to Clock edge Skew
tAC
-0.7
0.7 -0.75 0.75 -0.75 0.75 ns
DQS-Out edge to Clock edge Skew
tDQSCK -0.6
0.6 -0.75 0.75 -0.75 0.75 ns
DQS-Out edge to Data-Out edge Skew
tDQSQ
-
0.45
-
0.5
-
0.5 ns
Data-Out hold time from DQS
tQH
tHPmin
-tQHS
-
tHPmin
-tQHS
-
tHPmin
-tQHS
-
ns 1, 10
Clock Half Period
tHP
tCH/L
min
-
tCH/L
min
-
tCH/L
min
-
ns
1,9
Data Hold Skew Factor
tQHS
-
0.55
-
0.75
-
0.75 ns
10
Valid Data Output Window
tDV
tQH-tDQSQ
tQH-tDQSQ
tQH-tDQSQ
ns
Data-out high-impedance window from CK, /CK tHZ
-0.7
0.7 -0.75 0.75 -0.75 0.75 ns
Data-out low-impedance window from CK, /CK
tLZ
-0.7
0.7 -0.75 0.75 -0.75 0.75 ns
Input Setup Time (fast slew rate)
tIS
0.75
-
0.9
-
0.9
-
ns 2,3,5,6
Input Hold Time (fast slew rate)
tIH
0.75
-
0.9
-
0.9
-
ns 2,3,5,6
Input Setup Time (slow slew rate)
tIS
0.8
-
1.0
-
1.0
-
ns 2,4,5,6
Input Hold Time (slow slew rate)
tIH
0.8
-
1.0
-
1.0
-
ns 2,4,5,6
Input Pulse Width
tIPW
2.2
-
2.2
-
2.2
-
ns
6
Rev. 0.2 / Apr. 2004
10