Specifications

405GP – Power PC 405GP Embedded Processor
AMCC 47
Revision 2.01 – January 6, 2005
Data Sheet
Clocking Waveform
Clocking Specifications
Symbol Parameter Min Max Units
CPU
PF
C
Processor clock frequency 133.33/200/266.66 MHz
PT
C
Processor clock period 7.5/5/3.75 ns
SysClk Input
SCF
C
Clock input frequency 25 66.66 MHz
SCT
C
Clock period 15 40 ns
SCT
CS
Clock edge stability (phase jitter, cycle to cycle) ± 0.15 ns
SCT
CH
Clock input high time 40% of nominal period 60% of nominal period ns
SCT
CL
Clock input low time 40% of nominal period 60% of nominal period ns
Note: Input slew rate > 2V/ns
MemClkOut Output
MCOF
C
Clock output frequency @ PF
C
= 133MHz
66.66 MHz
MCOT
C
Clock period @ PF
C
= 133MHz
15 ns
MCOF
C
Clock output frequency @ PF
C
= 200MHz
100 MHz
MCOT
C
Clock period @ PF
C
= 200MHz
10 ns
MCOF
C
Clock output frequency @ PF
C
= 266MHz
133.33 MHz
MCOT
C
Clock period @ PF
C
= 266MHz
7.5 ns
MCOT
CS
Clock edge stability (phase jitter, cycle to cycle) ± 0.2 ns
MCOT
CH
Clock output high time 45% of nominal period 55% of nominal period ns
MCOT
CL
Clock output low time 45% of nominal period 55% of nominal period ns
Other Clocks
VCOF
C
VCO frequency 400 800 MHz
PLBF
C
PLB frequency @ PF
C
= 133MHz
66.66 MHz
PLBF
C
PLB frequency @ PF
C
= 200MHz
100 MHz
PLBF
C
PLB frequency @ PF
C
= 266MHz
133.33 MHz
OPBF
C
OPB frequency @ PF
C
= 133MHz
33.33 MHz
OPBF
C
OPB frequency @ PF
C
= 200MHz
50 MHz
OPBF
C
OPB frequency @ PF
C
= 266MHz
66.66 MHz
T
CL
T
CH
T
C
2.0V
1.5V
0.8V