參數(shù)資料
型號(hào)： MSC8144ESVT1000B
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 數(shù)字信號(hào)處理
英文描述： 133 MHz, OTHER DSP, PBGA783
封裝： 29 X 29 MM, LEAD FREE, PLASTIC, FCPBGA-783
文件頁(yè)數(shù)： 47/80頁(yè)
文件大小： 1251K
代理商： MSC8144ESVT1000B
Electrical Characteristics
MSC8144E Quad Core Digital Signal Processor Data Sheet, Rev. 14
Freescale Semiconductor
51
Figure 15 provides the AC test load for the PCI.
Figure 16 shows the PCI input AC timing conditions.
Figure 17 shows the PCI output AC timing conditions.
Notes:
1.
See the timing measurement conditions in the PCI 2.2 Local Bus Specifications.
2.
All PCI signals are measured from 0.5
× VDDIO of the rising edge of PCI_CLK_IN to 0.4 × VDDIO of the signal in question for
3.3-V PCI signaling levels.
3.
For purposes of active/float timing measurements, the Hi-Z or off state is defined to be when the total current delivered
through the component pin is less than or equal to the leakage current specification.
4.
Input timings are measured at the pin.
5.
The reset assertion timing requirement for HRESET is in Table 19 and Figure 7
Figure 15. PCI AC Test Load
Figure 16. PCI Input AC Timing Measurement Conditions
Figure 17. PCI Output AC Timing Measurement Condition
Table 36. PCI AC Timing Specifications (continued)
Parameter
Symbol
33 MHz
66 MHz
Unit
Min
Max
Min
Max
Output
Z0 = 50 Ω
VDD/2
RL = 50 Ω
tPCSU
CLK
Input
tPCH
CLK
Output Delay
tPCVAL
High-Impedance
tPCOFF
Output
tPCON
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