參數(shù)資料
型號(hào): IBM25PPC970FX6UB267ET
元件分類(lèi): 微控制器/微處理器
英文描述: 64-BIT, 1800 MHz, RISC PROCESSOR, CBGA576
封裝: 25 X 25 MM, 1 MM PITCH, CERAMIC, BGA-576
文件頁(yè)數(shù): 27/78頁(yè)
文件大?。?/td> 3524K
代理商: IBM25PPC970FX6UB267ET
Datasheet
PowerPC 970FX RISC Microprocessor
Version 2.5
March 26, 2007
Electrical and Thermal Characteristics
Page 33 of 78
Figure 3-6. Post-IAP Eye Opening
Table 3-14. Eye-Size Requirements
Bit Rate (Mbps)
Processor to
Bus Ratio
Processor Core
(MHz)
Step Time (ps)
Eye
Requirement
(ps)
Bit Time (ps)
Eye/Bit Time
VEYE
(Minimum)
400
3
1200
31.9
863
2500
34.5%
150 mV
450
3
1350
31.9
797
2222.2
34.5%
150 mV
500
3
1500
31.9
744
2000
37.2%
150 mV
500
2
1000
31.9
744
2000
37.2%
150 mV
666
3
1998
27.8
605
1501.5
40.3%
150 mV
666
2
1332
31.9
625
1501.5
41.6%
150 mV
866
2
1732
31.9
544
1154.7
47.1%
150 mV
1066
2
2132
26.0
465
938.1
49.6%
150 mV
TBIT
TEYE
VEYE
VBIT/2
The reference level for VEYE is VREF-SSB. The horizontal (TEYE) eye opening is a function of the bit time (TBIT) and
the earliness of the bus clock transition relative to the slowest data signal.
VBIT/2
VREF-SSB
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