ppc440gr-3jb667cz Applied Micro Circuits Corporation (AMCC), ppc440gr-3jb667cz Datasheet - Page 68

• Manufacturer Part Number: ppc440gr-3jb667cz
• Description: Powerpc 440gr Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

Table 18. Clocking Specifications
Figure 5. Timing Waveform
Note:
68
CPU Clock
SysClk Input
Note: Input slew rate
MemClkOut and PLB Clock
PLL VCO
TrcClk
F
MAL Clock
C
Revision 1.19 – May 07, 2008
Preliminary Data Sheet
Symbol
SysClk is 2.5V/3.3V tolerant receiver. Slew rate should be measured between 0.7V and 1.7V.
T
T
T
T
F
F
T
F
T
F
T
F
T
CS
CH
CL
CH
C
C
C
C
C
C
C
C
C
Frequency
Period
Edge stability (cycle-to-cycle jitter)
High time
Low time
Frequency
Period
High time
Frequency
Period
Frequency
Period
≥
1V/ns
Parameter
Frequency
Frequency
T
CH
T
C
440GR – PPC440GR Embedded Processor
40% of nominal period
40% of nominal period
45% of nominal period
CPU
0.7496
33.33
Min
333
100
600
7.5
15
12
45
–
T
F
CL
C
/4
60% of nominal period
60% of nominal period
55% of nominal period
CPU
133.33
66.66
±0.15
83.33
1334
Max
1.66
22.2
667
30
10
F
C
/4
AMCC Proprietary
1.7V (1.8V)
1.25V (1.5V)
0.7V (0.8V)
Units
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns