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參數(shù)資料
| 型號： | MPC8245ARZU466D |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 466 MHz, MICROPROCESSOR, PBGA352 |
| 封裝： | TBGA-352 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 152K |
| 代理商： | MPC8245ARZU466D |
MOTOROLA MPC8245 Part Number Specification for the MPC8245ARZUnnnX Series
5
General Parameters
1.4.1.2
Output AC Timing Specification
Table 11 provides the processor bus AC timing specification for output hold time for debug signals in the
± 0.3 V. All output timings assume a purely resistive 50-
load (see Figure 14 in the MPC8245 Integrated
Processor Hardware Specification). Output timings are measured at the pin; time-of-flight delays must be
added for trace lengths, vias, and connectors in the system. These specifications are for the default driver
strengths listed in the MPC8245 Integrated Processor Hardware Specifications.
Table 11. Output AC Timing Specifications
Num
Characteristic
Min
Max
Unit
Notes
13b
Output hold (debug signals)
0.0
—
ns
1
Note:
1. All memory and related interface output signal specifications are specified from the VM = 1.4 V of the rising edge of
the memory bus clock, SDRAM_SYNC_IN to the TTL level (0.8 or 2.0 V) of the signal in question.
SDRAM_SYNC_IN is the same as PCI_SYNC_IN in 1:1 mode, but is twice the frequency in 2:1 mode
(processor/memory bus clock rising edges occur on every rising and falling edge of PCI_SYNC_IN).
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