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參數(shù)資料
| 型號： | MPC9850VF |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 時鐘產(chǎn)生/分配 |
| 英文描述： | 500 MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA100 |
| 封裝： | MAPBGA-100 |
| 文件頁數(shù)： | 10/12頁 |
| 文件大?。?/td> | 243K |
| 代理商： | MPC9850VF |
Advanced Clock Drivers Devices
Freescale Semiconductor
7
MPC9850
Figure 4. MPC9850 AC Test Reference (LVDS Outputs)
Figure 5. MPC9850 AC Test Reference (LVCMOS Outputs)
Table 11. AC Characteristics (VDD = 3.3 V ± 5%, VDDOA = 3.3 V ± 5%,VDDOB = 3.3 V ± 5%, TA= –40°C to +85°C)(1) (2)
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)
Input Reference Frequency (33 MHz input)
XTAL Input
Input Reference Frequency in PLL Bypass Mode(3)
3. In bypass mode, the MPC9850 divides the input reference clock.
25
33
25
250
MHz
PLL bypass
fVCO
VCO Frequency Range(4)
4. The input reference frequency must match the VCO lock range divided by the total feedback divider ratio: fref = (fVCO ÷ M) N.
2000
MHz
fMCX
Output Frequency
Bank A output
Bank B output
Bank C output
15.87
50
200
500
MHz
PLL locked
frefPW
Reference Input Pulse Width
2
ns
frefCcc
Input Frequency Accuracy
100
ppm
tr, tf
Output Rise/Fall Time
150
500
ps
20% to 80%
DC
Output Duty Cycle
43
47
50
57
53
%
Bank A and B
Bank C
PLL Specifications
tLOCK
Maximum PLL Lock Time
10
ms
treset_ref
MR Hold Time on Power Up
10
ns
treset_pulse
MR Hold Time
10
ns
Skew and Jitter Specifications
tsk(O)
Output-to-Output Skew (within a bank)
50
ps
tsk(O)
Output-to-Output Skew (across banks A and B)
400
ps
VDDOA = 3.3 V
VDDOB = 3.3 V
tJIT(CC)
Cycle-to-Cycle Jitter
200
150
ps
Bank A and B
Bank C
tJIT(PER)
Period Jitter
200
ps
Bank A and C
tJIT()
I/O Phase Jitter
RMS (1
σ)
50
ps
Bank A and C
Pulse
Generator
Z = 50
RT = 50
ZO = 50
DUT MPC9850
VTT
RT = 100
ZO = 50
Pulse
Generator
Z = 50
RT = 50
ZO = 50
DUT MPC9850
VTT
ZO = 50
RT = 50
VTT
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