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IBM25EMPPC750DBUB2660 参数 Datasheet PDF下载

IBM25EMPPC750DBUB2660图片预览
型号: IBM25EMPPC750DBUB2660
PDF下载: 下载PDF文件 查看货源
内容描述: [RISC Microprocessor, 32-Bit, 266MHz, CMOS, CBGA360, 25 X 25 MM, 1.27 MM PITCH, CERAMIC, BGA-360]
分类和应用: 时钟外围集成电路
文件页数/大小: 44 页 / 514 K
品牌: IBM [ IBM ]
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3.1.2.5 L2 Bus Input AC Specifications  
Th e L2 bu s in pu t in terface AC tim in g specification s are fou n d in Table 11 .  
1
Table 11. L2 Bus Input Interface AC Timing Specifications  
Operating conditions are specified in Section Table 2., "Recommended Operating Conditions"  
Num  
Characteristic  
Min  
Max  
Unit  
Notes  
29,30  
L2SYNC_IN rise and fall time  
1.0  
ns  
2,3  
24  
25  
Data and parity input setup to L2SYNC_IN  
L2SYNC_IN to data and parity input hold  
2.0  
ns  
ns  
0.5  
Notes:  
1. All input specifications are measured from the midpoint voltage (1.4V) of the signal in question to the  
midpoint voltage of the rising edge of the input L2SYNC_IN. Input timings are measured at the pins  
(see Figure 7 ).  
2. Rise and fall times for the L2SYNC_IN input are measured from 0.4 to 2.4V.  
3. Guaranteed by design and characterization, and not tested.  
Figu re 7 sh ows th e L2 bu s in pu t tim in g diagram s for th e PPC750.  
29  
30  
L2SYNC_IN  
VM  
24  
25  
ALL INPUTS  
VM = Midpoint Voltage (1.4v)  
Figure 7. L2 Bus Input Timing Diagrams  
16 of 44  
PPC740 and PPC750 Hardware Specifications  
Preliminary and subject to change without notice  
 
 
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