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5AGXFD3G427C4N 参数 Datasheet PDF下载

5AGXFD3G427C4N图片预览
型号: 5AGXFD3G427C4N
PDF下载: 下载PDF文件 查看货源
内容描述: 阿里亚V器件手册 [Arria V Device Handbook]
分类和应用:
文件页数/大小: 82 页 / 1787 K
品牌: ALTERA [ ALTERA CORPORATION ]
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2–36  
Chapter 2: Device Datasheet for Arria V Devices  
Switching Characteristics  
(1)  
Table 2–33. Memory Output Clock Jitter Specification for Arria V Devices—Preliminary  
(Part 2 of 2)  
–6  
–4  
–5  
Clock  
Network  
Speed Grade  
Speed Grade  
Speed Grade  
Parameter  
Symbol  
Unit  
Min  
Max  
Min  
Max  
Min  
Max  
Duty cycle jitter  
Global  
tJIT(duty)  
–75  
75  
–90  
90  
–90  
90  
ps  
Note to Table 2–33:  
(1) The memory output clock jitter measurements are for 200 consecutive clock cycles, as specified in the JEDEC DDR2/DDR3 SDRAM standard.  
OCT Calibration Block Specifications  
Table 2–34 lists the OCT calibration block specifications for Arria V devices.  
Table 2–34. OCT Calibration Block Specifications for Arria V Devices—Preliminary  
Symbol  
Description  
Min  
Typ  
Max  
Unit  
OCTUSRCLK  
Clock required by OCT calibration blocks  
20  
MHz  
Number of OCTUSRCLK clock cycles required for  
RS OCT /RT OCT calibration  
TOCTCAL  
1000  
32  
Cycles  
Cycles  
Number of OCTUSRCLK clock cycles required for OCT code  
to shift out  
TOCTSHIFT  
Time required between the dyn_term_ctrland oesignal  
transitions in a bidirectional I/O buffer to dynamically switch  
between RS OCT and RT OCT  
TRS_RT  
2.5  
ns  
Figure 2–4 shows the TRS_RT for dyn_term_ctrland oesignals.  
Figure 2–4. Timing Diagram for dyn_term_ctrl and oe Signals  
Tristate  
Tristate  
RX  
oe  
RX  
dyn_term_ctrl  
TRS_RT  
TRS_RT  
Duty Cycle Distortion (DCD) Specifications  
Table 2–35 lists the worst-case DCD for Arria V devices.  
Table 2–35. Worst-Case DCD on Arria V I/O Pins—Preliminary  
–C5,I5 Speed  
–C6 Speed  
Grade  
–C4 Speed Grade  
Grade  
Symbol  
Unit  
Min  
Max  
Min  
Max  
Min  
45  
Max  
Output Duty Cycle  
45  
55  
45  
55  
55  
%
Arria V Device Handbook  
February 2012 Altera Corporation  
Volume 1: Device Overview and Datasheet  
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