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| 型號(hào)： | PPC440SPE-RNB667C |
| 廠商： | APPLIEDMICRO INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | PowerPC 440SPe Embedded Processor |
| 中文描述： | 32-BIT, 667 MHz, RISC PROCESSOR, PBGA675 |
| 封裝： | 27 X 27 MM, 1 MM PITCH, ROHS COMPLIANT, PLASTIC, FCBGA-675 |
| 文件頁(yè)數(shù)： | 75/80頁(yè) |
| 文件大?。?/td> | 572K |
| 代理商： | PPC440SPE-RNB667C |
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PowerPC 440SPe Embedded Processor
Revision 1.23 - Sept 21, 2006
Preliminary Data Sheet
AMCC Proprietary
75
In the following examples, the data strobes (DQS) and the data are shown to be coincident. There is actually a
slight skew as specified by the SDRAM specifications, and there can be additional skew due to loading and signal
routing. It is recommended that the signal length for all of the eight DQS signals be matched.
Figure 10. DDR SDRAM Memory Data and DQS
Table 20. DDR SDRAM I/O Read Timing—T
SD
and T
HD
Notes:
1. T
SD
and T
HD
are measured under worst case conditions.
2. Clock speed for the values in the table is 333.33MHz.
3. The time values in the table include 1/4 of a cycle at 166MHz (3ns x 0.25 = 0.75 ns).
4. To obtain adjusted T
SD
and T
HD
values for lower clock frequencies, subtract 0.75 ns from the values in the table and add 1/4
of the cycle time for the lower clock frequency (e.g., T
SD
- 0.75 + 0.25T
CYC
).
Signal Names
Reference Signal
Read Data vs DQS Set up
T
SD
(ns)
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Read Data vs DQS Hold
T
HD
(ns)
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
MemData00:07
MemData08:15
MemData16:23
MemData24:31
MemData32:39
MemData40:47
MemData48:55
MemData56:63
ECC0:7
DQS0
DQS1
DQS2
DQS3
DQS4
DQS5
DQS6
DQS7
DQS8
DQS
MemData
T
SD
T
HD
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PPC440SP | PowerPC 440SP Embedded Processor |
| PPC440SP-AFC533C | PowerPC 440SP Embedded Processor |
| PPC440SP-AFC667C | PowerPC 440SP Embedded Processor |
| PPC440SP-ANC533C | PowerPC 440SP Embedded Processor |
| PPC440SP-ANC667C | PowerPC 440SP Embedded Processor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PPC440SP-RFC533C | 制造商:AMCC 制造商全稱:Applied Micro Circuits Corporation 功能描述:PowerPC 440SP Embedded Processor |
| PPC440SP-RFC667C | 制造商:AMCC 制造商全稱:Applied Micro Circuits Corporation 功能描述:PowerPC 440SP Embedded Processor |
| PPC440SP-RNC533C | 制造商:AMCC 制造商全稱:Applied Micro Circuits Corporation 功能描述:PowerPC 440SP Embedded Processor |
| PPC440SP-RNC667C | 制造商:AMCC 功能描述:AMCPPC440SP-RNC667C PWR PROCESSOR CORE |
| PPC-46 | 功能描述:電源變壓器 115/230Vac 50/60Hz 1.5VA RoHS:否 制造商:Triad Magnetics 功率額定值:12 VA 初級(jí)電壓額定值:115 V / 230 V 次級(jí)電壓額定值:12 V / 24 V 安裝風(fēng)格:SMD/SMT 一次繞組:Dual Primary Winding 二次繞組:Dual Secondary Winding 長(zhǎng)度:2.5 in 寬度:2 in 高度:1.062 in |
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