npe405h Applied Micro Circuits Corporation (AMCC), npe405h Datasheet - Page 56

• Manufacturer Part Number: npe405h
• Description: Powernp Npe405h Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

NPe405H – PowerNP NPe405H Embedded Processor
CLOCKING SPECIFICATIONS
Table 12. Clocking Specifications
CLOCKING WAVEFORM
Figure 4. Clocking Waveform
56
SysClk Input
Note:
MemClkOut Output
Other Clocks
Notes:
1. If HDLCEX is not used, the maximum OPB frequency is 66.66MHz.
Symbol
DS2011
T
T
Input slew rate > 2V/ns
T
T
T
F
T
F
T
F
T
F
T
F
F
F
F
F
F
F
CS
CH
CH
CL
CL
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
SysClk clock input frequency
SysClk clock period
Clock edge stability (phase jitter, cycle to cycle)
Clock input high time
Clock input low time
MemClkOut clock output frequency–133MHz
MemClkOut clock period–133MHz
MemClkOut clock output frequency–200MHz
MemClkOut clock period–200MHz
MemClkOut clock output frequency–266MHz
MemClkOut clock period–266MHz
Clock output high time
Clock output low time
VCO frequency
PLB frequency–133MHz
PLB frequency–200MHz
PLB frequency–266MHz
OPB frequency–133MHz
OPB frequency–200MHz
OPB frequency–266MHz
T
CH
Parameter
T
C
45% of nominal period
40% of nominal period
40% of nominal period
45% of nominal period
T
CL
Min
400
7.5
25
15
15
10
Revision 1.02 – November 16, 2007
60% of nominal period
60% of nominal period
55% of nominal period
55% of nominal period
133.33
133.33
66.66
66.66
66.66
Max
0.15
100
800
100
50
50
40
50
Data Sheet
1
1
AMCC Proprietary
1.5V
2.0V
0.8V
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns