参数资料
型号: MPC9819EN
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 133.33 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO20
封装: 0.150 INCH, 0.025 INCH PITCH, LEAD FREE, SSOP-20
文件页数: 6/10页
文件大小: 312K
代理商: MPC9819EN
MPC9819 REVISION 4 JUNE 24, 2009
5
2009 Integrated Device Technology, Inc.
MPC9819 Data Sheet
CLOCK GENERATOR FOR POWERQUICC AND POWERPC MICROPROCESSORS AND MICROCONTROLLERS
Figure 3. MPC9819 AC Test Reference (LVCMOS Outputs)
Table 7. AC Characteristics(1) (2) (VDD = 3.3 V ± 5%, TA = –40° to +85°C)
1. AC characteristics are design targets and pending characterization.
2. AC characteristics apply for parallel output termination of 50
to VTT.
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
Input and Output Timing Specification
fref
Input Reference Frequency
25 MHz Input
XTAL Input
25
MHz
fVCO
VCO Frequency Range
FSEL0, FSEL1 = 00,01,11
FSEL0, FSEL1 = 10
400
500
MHz
fMCX
Output Frequency (QAx)
FSEL0, FSEL1 = 00
FSEL0, FSEL1 = 10
FSEL0, FSEL1 = 01
FSEL0, FSEL1 = 11
Output Frequency (QREFx)
66.66
100
125
133.33
25
MHz
PLL locked
frefPW
Reference Input Pulse Width
10
ns
@ 25 MHz
DC
Output Duty Cycle
45
50
55
%
fout
Output Frequency Accuracy
Crystal(3)
External Reference
3. Based upon recommended crystal specifications as outlined in operation section.
100
0
ppm
With recommended crystal
see Table 3
PLL Specifications
BW
PLL Closed Loop Bandwidth(4)
4. –3 dB point of PLL transfer characteristics.
500
kHz
tLOCK
Maximum PLL Lock Time
10
ms
Skew and Jitter Specifications
tsk(O)
Output-to-Output Skew (within a bank)
75
ps
tJIT(CC)
Cycle-to-Cycle Jitter
150
ps
@ 25 MHz Input Reference
QA output
tJIT(PER) Period Jitter
100
ps
@ 25 MHz Input Reference
QA output
tr, tf
Output Rise/Fall Time
1
ns
20% to 80%
Z = 50
RT = 50
VTT
Z = 50
VTT
DUT MPC9819
Pulse
Generator
Z = 50
RT = 50
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