參數(shù)資料
型號: MPC9855VF
廠商: MOTOROLA INC
元件分類: 時鐘產(chǎn)生/分配
英文描述: 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA100
封裝: MAPBGA-100
文件頁數(shù): 11/12頁
文件大?。?/td> 173K
代理商: MPC9855VF
MPC9855
8
TIMING SOLUTIONS
Table 9: AC Characteristics (VDD = 3.3 = V ± 5%, TA = -40°C to + 85°C)a b
a.
AC characteristics are design targets and pending characterization
b.
AC characteristics apply for parallel output termination of 50
to V
TT
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 modec
c.
In bypass mode, the MPC9855 divides the input reference clock.
TBD
25
33
25
TBD
MHz
PLL bypass
fVCO
VCO frequency ranged
d.
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
LVCMOS output
TBD
MHz
PLL locked
frefPW
Reference Input Pulse Width
TBD
ps
frefCcc
Input Frequency Accuracy
100
ppm
tr, tf
Output Rise/Fall Time
TBD
ns
20% to 80%
DC
Output duty cycle
47.5
50
52.5
%
VDDOA =VDDOB = 3.3 V
±5%
PLL specifications
BW
PLL closed loop bandwidthe
e.
-3 dB point of PLL transfer characteristics
TBD
kHz
tLOCK
Maximum PLL Lock Time
10
ms
treset_ref
MR hold time on power up
TBD
ns
treset_pulse
MR hold time
TBD
ns
Skew and jitter specifications
tsk(O)
Output-to-output Skew (within a bank)
50
ps
VDDOA = VDDOB =3.3 V
±5%
tsk(O)
Output-to-output Skew (across banks A and B)
100
ps
VDDOA = VDDOB =3.3 V
±5%
tJIT(CC)
Cycle-to-cycle jitter
TBD
100
ps
tJIT(PER)
Period Jitter
TBD
125
ps
tJIT()
I/O Phase Jitter
TBD
125
ps
tr, tf
Output Rise/Fall Time
TBD
ns
20% to 80%
Z=50
RT=50
VTT
DUT MPC9855
Z=50
Pulse
Generator
Z=50
RT=50
VTT
Figure 4. MPC9850 AC test reference (LVCMOS outputs)
相關(guān)PDF資料
PDF描述
MPC9855VMR2 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA100
MPC9855VM 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA100
MPC992FAR2 375 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP32
MPC992FAR2 375 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP32
MPC9992ACR2 400 MHz, OTHER CLOCK GENERATOR, PQFP32
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