參數(shù)資料
型號(hào)： MPC740ARX266LX
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 266 MHz, RISC PROCESSOR, CBGA255
封裝： 21 X 21 MM, 3 MM HEIGHT, 1.27 MM PITCH, CERAMIC, BGA-255
文件頁(yè)數(shù)： 10/44頁(yè)
文件大?。?/td> 558K
代理商： MPC740ARX266LX
18
MPC750A RISC Microprocessor Hardware Specications
Electrical and Thermal Characteristics
1.4.2.5 L2 Bus Input AC Specications
The L2 bus input interface AC timing specications are found in Table 12.
Figure 8 shows the L2 bus input timing diagrams for the MPC750.
Figure 8. L2 Bus Input Timing Diagrams
Table 12. L2 Bus Input Interface AC Timing Specifications1
At recommended operating conditions (See Table 3)
Num
Characteristic
Processor Frequency
200–266 MHz
Unit
Notes
Min
Max
29,30
L2SYNC_IN rise and fall time
—
1.0
ns
2
24
Data and parity input setup to L2SYNC_IN
2.0
—
ns
25
L2SYNC_IN to data and parity input hold
0.5
—
ns
Notes:
1. All input specifications are measured from the TTL level (0.8V or 2.0V) 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 8).
2. Rise and fall times for the L2SYNC_IN input are measured from 0.4 to 2.4V.
VM
VM = Midpoint Voltage (1.4V)
L2SYNC_IN
25
24
ALL INPUTS
29
30
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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