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参数资料
| 型号： | HYMD264G726A4-H |
| 厂商： | HYNIX SEMICONDUCTOR INC |
| 元件分类： | DRAM |
| 英文描述： | 64M X 72 DDR DRAM MODULE, 0.75 ns, DMA184 |
| 封装： | 5.250 X 1.700 X 0.150 INCH, DIMM-184 |
| 文件页数： | 16/16页 |
| 文件大小： | 257K |
| 代理商： | HYMD264G726A4-H |
HYMD264G726A(L)4-M/K/H/L
Rev. 0.2/May. 02
9
AC CHARACTERISTICS (AC operating conditions unless otherwise noted)
Parameter
Symbol
DDR266(2-2-2)
DDR266A
DDR266B
DDR200
Unit Note
Min
Max
Min
Max
Min
Max
Min
Max
Row Cycle Time
tRC
60
-
65
-
65
-
70
-
ns
Auto Refresh Row Cycle Time
tRFC
75
-
75
-
75
-
80
-
ns
Row Active Time
tRAS
45
120K
45
120K
45
120K
50
120K
ns
Active to Read with Auto
Precharge Delay
tRAP
15
-
20
-
20
-
20
-
ns
16
Row Address to Column Address
Delay
tRCD
15
-
20
-
20
-
20
-
ns
Row Active to Row Active Delay
tRRD
15
-
15
-
15
-
15
-
ns
Column Address to Column
Address Delay
tCCD
1-
1
-
1
-
1
-
CK
Row Precharge Time
tRP
15
-
20
-
20
-
20
-
ns
Write Recovery Time
tWR
15
-
15
-
15
-
15
-
ns
Write to Read Command Delay
tWTR
1-
1
-
1
-
1
-
CK
Auto Precharge Write Recovery +
Precharge Time
tDAL
(tWR/tCK)
+
(tRP/tCK)
-
(tWR/tCK)
+
(tRP/tCK)
-
(tWR/tCK)
+
(tRP/tCK)
-
(tWR/tCK)
+
(tRP/tCK)
-CK
15
System Clock
Cycle Time
CL = 2.5
tCK
7.5
12
7.5
12
7.5
12
8.0
12
ns
CL = 2
7.5
12
7.5
12
10
121012
ns
Clock High Level Width
tCH
0.45
0.55
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
0.45
0.55
CK
Data-Out edge to Clock edge
Skew
tAC
-0.75
0.75
-0.75
0.75
-0.75
0.75
-0.8
0.8
ns
DQS-Out edge to Clock edge
Skew
tDQSCK
-0.75
0.75
-0.75
0.75
-0.75
0.75
-0.8
0.8
ns
DQS-Out edge to Data-Out edge
Skew
tDQSQ
-
0.5
-
0.5
-
0.5
-
0.6
ns
Data-Out hold time from DQS
tQH
tHP
-tQHS
-
tHPmin
-tQHS
-
tHPmin
-tQHS
-
tHPmin
-tQHS
-ns
1, 10
Clock Half Period
tHP
min
(tCL,tCH)
-
min
(tCL,tCH)
-
min
(tCL,tCH)
-
min
(tCL,tCH)
-ns
1,9
Data Hold Skew Factor
tQHS
-
0.75
-
0.75
-
0.75
-
0.75
ns
10
Valid Data Output Window
tDV
tQH-tDQSQ
ns
Data-out high-impedance
window from CK, /CK
tHZ
-0.75
0.75
-0.75
0.75
-0.75
0.75
-0.8
0.8
ns
17
Data-out low-impedance window
from CK, /CK
tLZ
-0.75
0.75
-0.75
0.75
-0.75
0.75
-0.8
0.8
ns
17
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相关代理商/技术参数 |
参数描述 |
|---|---|
| HYMD264G726A4-K | 制造商:HYNIX 制造商全称:Hynix Semiconductor 功能描述:Registered DDR SDRAM DIMM |
| HYMD264G726A4-L | 制造商:HYNIX 制造商全称:Hynix Semiconductor 功能描述:Registered DDR SDRAM DIMM |
| HYMD264G726A4M | 制造商:未知厂家 制造商全称:未知厂家 功能描述:64Mx72|2.5V|M/K/H/L|x18|DDR SDRAM - Low Profile Registered DIMM 512MB |
| HYMD264G726A4-M | 制造商:HYNIX 制造商全称:Hynix Semiconductor 功能描述:Registered DDR SDRAM DIMM |
| HYMD264G726A4M-H | 制造商:HYNIX 制造商全称:Hynix Semiconductor 功能描述:Low Profile Registered DDR SDRAM DIMM |
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