参数资料
型号: HY5DU56422ALF-J
厂商: HYNIX SEMICONDUCTOR INC
元件分类: DRAM
英文描述: 64M X 4 DDR DRAM, 0.7 ns, PBGA60
封装: FBGA-60
文件页数: 22/36页
文件大小: 395K
代理商: HY5DU56422ALF-J
Rev. 0.1/Apr. 02
29
HY5DU56422A(L)F
HY5DU56822A(L)F
HY5DU561622A(L)F
AC CHARACTERISTICS I (AC operating conditions unless otherwise noted)
Parameter
Symbol
DDR333
DDR266
Unit
Note
Min
Max
Min
Max
Row Cycle Time
tRC
60
-
60
-
ns
Auto Refresh Row Cycle Time
tRFC
72
-
75
-
ns
Row Active Time
tRAS
42
70K
45
120K
ns
Active to Read with Auto Precharge Delay
tRAP
tRCD or
tRPmin
-
tRCD or
tRPmin
-ns
16
Row Address to Column Address Delay
tRCD
18
-
15
-
ns
Row Active to Row Active Delay
tRRD
12
-
15
-
ns
Column Address to Column Address Delay
tCCD
1
-
1
-
CK
Row Precharge Time
tRP
18
-
15
-
ns
Write Recovery Time
tWR
15
-
15
-
ns
Write to Read Command Delay
tWTR
1
-
1
-
CK
Auto Precharge Write Recovery + Precharge Time
tDAL
(tWR/tCK)
+
(tRP/tCK)
-
(tWR/tCK)
+
(tRP/tCK)
-CK
15
System Clock Cycle Time
CL = 2.5
tCK
612
7.5
12
ns
CL = 2
7.5
12
7.5
12
ns
Clock High Level Width
tCH
0.45
0.55
0.45
0.55
CK
Clock Low Level Width
tCL
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
ns
DQS-Out edge to Clock edge Skew
tDQSCK
-0.6
0.6
-0.75
0.75
ns
DQS-Out edge to Data-Out edge Skew
tDQSQ
-
0.4
-
0.5
ns
Data-Out hold time from DQS
tQH
tHP
-tQHS
-
tHP
-tQHS
-ns
1,10
Clock Half Period
tHP
min
(tCL,tCH)
-
min
(tCL,tCH)
-ns
1,9
Data Hold Skew Factor
tQHS
-
0.6
-
0.75
ns
10
Valid Data Output Window
tDV
tQH-tDQSQ
ns
Data-out high-impedance window from CK,/CK
tHZ
-0.7
0.7
-0.75
0.75
ns
17
Data-out low-impedance window from CK, /CK
tLZ
-0.7
0.7
-0.75
0.75
ns
Input Setup Time (fast slew rate)
tIS
0.75
-
0.9
-
ns
2,3,5,6
Input Hold Time (fast slew rate)
tIH
0.75
-
0.9
-
ns
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