參數(shù)資料
型號(hào): 440SPE
廠商: Applied Micro Circuits Corp.
英文描述: PowerPC 440SPe Embedded Processor
中文描述: 嵌入式處理器的PowerPC 440SPe
文件頁數(shù): 58/80頁
文件大?。?/td> 572K
代理商: 440SPE
PowerPC 440SPe Embedded Processor
Revision 1.23 - Sept 21, 2006
AMCC Proprietary
61
Preliminary Data Sheet
Input Max Allowable Overshoot (3.3V LVTTL)
VIMAO
+3.9
V
Input Max Allowable Undershoot (3.3V LVTTL)
VIMAU
-0.6
V
Output Max Allowable Overshoot (3.3V LVTTL)
VOMAO
+3.9
V
Output Max Allowable Undershoot (3.3V LVTTL)
VOMAU3
-0.6
V
Case Temperature
TC
0+95
°C6
Notes:
1. PCI-X drivers meet PCI-X specifications.
2. SVREF = SVDD/2
3. The analog voltages used for the on-chip PLLs can be derived from the logic voltage, but must be filtered before entering the
PPC440SPe. See “Absolute Maximum Ratings” on page 58.
4. During chip power-up, OVDD should begin to ramp before VDD. External voltage should not be applied to the chip I/O pins before
OVDD is applied to the chip. A power-down cycle should complete (OVDD and VDD should both be below 0.4V) before a new power
up cycle is started.
5. LPDL is least positive down level; MPUL is most positive up level.
6. Case temperature, TC, is measured at top center of case surface with device soldered to circuit board.
Table 10. Input Capacitance
Parameter
Symbol
Maximum
Unit
Notes
Group 1 (2.5V SSTL I/O)
CIN1
5.7
pF
Group 2 (3.3V LVTTL I/O)
CIN2
6.8
pF
Group 3 (PCI-X I/O)
CIN3
5.1
pF
Group 4 (Receivers)
CIN4
6.7
pF
Group 5 (3.3V tolerant CMOS I/O)
CIN5
2.6
pF
Table 9. Recommended DC Operating Conditions (Sheet 3 of 3)
Device operation beyond the conditions specified is not recommended. Extended operation beyond the recommended
conditions can affect device reliability.
Parameter
Symbol
Minimum
Typical
Maximum
Unit
Notes
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