參數(shù)資料
型號(hào): 440SP
廠商: Applied Micro Circuits Corp.
英文描述: PowerPC 440SP Embedded Processor
中文描述: 嵌入式處理器的PowerPC 440SP
文件頁(yè)數(shù): 63/85頁(yè)
文件大小: 615K
代理商: 440SP
PowerPC 440SP Embedded Processor
66
AMCC Proprietary
Revision 1.23 - Sept 26, 2006
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
-40
+100
°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
PPC440SP. See “Absolute Maximum Ratings” on page 63.
4. Power supply sequencing: It is recommended that the 1.5V Vdd of the core reach its nominal value before applying power to the
I/Os. Voltage applied to I/Os from an external source must not be allowed to exceed the 0Vdd ramp. A power down cycle must
complete (0Vdd and Vdd are 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
5.2
pF
Group 2 (3.3V LVTTL I/O)
CIN2
7.1
pF
Group 3 (PCI-X I/O)
CIN3
5.7
pF
Group 4 (Receivers)
CIN4
6.9
pF
Group 5 (3.3V tolerant CMOS I/O)
CIN5
3.4
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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