參數(shù)資料
型號(hào): IBM25PPC405EP-3GB133CZ
元件分類(lèi): 微控制器/微處理器
英文描述: 32-BIT, 133.33 MHz, RISC PROCESSOR, PBGA385
封裝: 31 MM, ENHANCED, PLASTIC, BGA-385
文件頁(yè)數(shù): 38/52頁(yè)
文件大?。?/td> 992K
代理商: IBM25PPC405EP-3GB133CZ
Preliminary
PowerPC 405EP Embedded Processor Data Sheet
6/9/03
Page 43 of 52
Clocking Specifications
Symbol
Parameter
Min
Max
Units
CPU
PFC
Processor clock frequency
133.33, 200, 266.66, or
333.33
MHz
PTC
Processor clock period
7.5, 5, 3.75 or 3
ns
SysClk Input
SCFC
Frequency
25
100
MHz
SCTC
Period
10
40
ns
SCTCS
Edge stability (phase jitter, cycle to cycle)
±0.15
ns
SCTCH
Input high time
40% of nominal period
60% of nominal period
ns
SCTCL
Input low time
40% of nominal period
60% of nominal period
ns
Note: Input slew rate > 2V/ns
MemClkOut Output
MCOFC
Frequency
PLBFC
MHz
MCOTC
Period
1/PLBFC
ns
MCOTCS
Edge stability (phase jitter, cycle to cycle)
±0.2
ns
MCOTCH
Output high time
45% of nominal period
55% of nominal period
ns
MCOTCL
Output low time
45% of nominal period
55% of nominal period
ns
TrcClk Output
TCFC
Clock output frequency
PFC/2
MHz
TCTC
Clock period
PTCx2
ns
TCTCS
Clock edge stability (phase jitter, cycle to cycle)
± 0.2
ns
TCTCH
Clock output high time
45% of nominal period
55% of nominal period
ns
TCTCL
Clock output low time
45% of nominal period
55% of nominal period
ns
Other Clocks
VCOFC
VCO frequency @ PFC = 133, 200, 266, or 333MHz
500
1000
MHz
PLBFC
PLB frequency @ PFC = 133.33MHz
33.33
133.33
MHz
PLBFC
PLB frequency @ PFC = 266.66MHz
66.66
133.33
MHz
PLBFC
PLB frequency @ PFC = 333.33MHz
83.33
111.11
MHz
PLBFC
PLB frequency @ PFC = 200MHz
50
100
MHz
OPBFC
OPB frequency @ PFC = 133.33MHz
8.33
66.66
MHz
OPBFC
OPB frequency @ PFC = 266.66MHz
16.66
66.66
MHz
OPBFC
OPB frequency @ PFC = 333.33MHz
20.83
55.55
MHz
OPBFC
OPB frequency @ PFC = 200MHz
12.5
50
MHz
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