ppc440epx Applied Micro Circuits Corporation (AMCC), ppc440epx Datasheet - Page 73

• Manufacturer Part Number: ppc440epx
• Description: Powerpc 440epx Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

Revision 1.29 – July 22, 2008
Table 18. Clocking Specifications (continued)
Figure 5. Timing Waveform
Note:
AMCC Proprietary
Preliminary Data Sheet
Processor (CPU) Clock
MemClkOut and PLB Clock
MAL Clock
Symbol
SysClk and GMCRefClk are 2.5V (3.3V tolerant). Slew rate should be measured between 0.7V and 1.7V.
T
F
T
F
T
F
T
CH
C
C
C
C
C
C
Frequency
Period
Frequency
Period
High time
Frequency
Period
Parameter
T
CH
45% of nominal
333.33
133.33
period
Min
1.5
45
12
6
T
C
440EPx – PPC440EPx Embedded Processor
55% of nominal
666.66
166.66
period
83.33
Max
22.2
7.5
3
T
CL
Units
MHz
MHz
MHz
ns
ns
ns
ns
0.7V (0.8V)
1.7V (2.0V)
Notes
73