參數(shù)資料
型號: MPC9330ACR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 時鐘產(chǎn)生/分配
英文描述: 120 MHz, OTHER CLOCK GENERATOR, PQFP32
封裝: LEAD FREE, LQFP-32
文件頁數(shù): 2/12頁
文件大?。?/td> 312K
代理商: MPC9330ACR2
Advanced Clock Drivers Devices
10
Freescale Semiconductor
MPC9330
Figure 8. Output-to-Output Skew tSK(O)
Figure 9. Propagation Delay (t(), static phase offset)
Test Reference
Figure 10. Output Duty Cycle (DC)
Figure 11. I/O Jitter
TJIT() = |T0–T1mean|
CCLK
FB_EN
The deviation in t0 for a controlled edge with respect to a t0 mean
in a random sample of cycles
VCC
VCC ÷ 2
GND
VCC
VCC ÷ 2
GND
t()
CCLK
FB_IN
The pin-to-pin skew is defined as the worst case difference
in propagation delay between any similar delay path within a
single device
VCC
VCC ÷ 2
GND
VCC
VCC ÷ 2
GND
tSK(O)
The time from the PLL controlled edge to the non controlled
edge, divided by the time between PLL controlled edges,
expressed as a percentage
VCC
VCC ÷ 2
GND
tP
T0
DC = tP/T0 x 100%
Figure 12. Cycle-to-Cycle Jitter
Figure 13. Period Jitter
Figure 14. Output Transition Time Test Reference
tF
tR
VCC=3.3 V
2.4
0.55
The variation in cycle time of a signal between adjacent cycles,
over a random sample of adjacent cycle pairs
TN
TJIT(CC) = |TN–TN+1|
TN+1
The deviation in cycle time of a signal with respect to the ideal
period over a random sample of cycles
TJIT(PER) = |TN–1/f0|
T0
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