參數(shù)資料
型號(hào): MPC9773AER2
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 8/21頁
文件大小: 0K
描述: IC PLL CLK GEN 1:12 3.3V 52-LQFP
標(biāo)準(zhǔn)包裝: 1,500
類型: PLL 時(shí)鐘發(fā)生器
PLL: 帶旁路
輸入: LVCMOS,LVPECL
輸出: LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 3:12
差分 - 輸入:輸出: 是/無
頻率 - 最大: 242.5MHz
除法器/乘法器: 是/無
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 52-LQFP
供應(yīng)商設(shè)備封裝: 52-TQFP(10x10)
包裝: 帶卷 (TR)
MPC9773 REVISION 6 JANUARY 31, 2013
16
2013 Integrated Device Technology, Inc.
MPC9773 Data Sheet
3.3 V 1:12 LVCMOS PLL CLOCK GENERATOR
Figure 17. Output-to-Output Skew tSK(O)
Figure 18. Propagation Delay (t(), Static Phase
Offset) Test Reference
Figure 19. Output Duty Cycle (DC)
The pin-to-pin skew is defined as the worst case difference in propagation
delay between any similar delay path within a single device
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
VCC2
GND
VCC
VCC2
GND
tSK(O)
VCC
VCC2
GND
tP
T0
DC = tP/T0 x 100%
VCC
VCC2
GND
VCC
VCC2
GND
t()
CCLKx
FB_IN
TJIT() = |T0-T1mean|
CCLKx
FB_IN
The deviation in t0 for a controlled edge with respect to a t0 mean in a random
sample of cycles
Figure 20. I/O Jitter
TN
TJIT(CC) = |TN–TN+1|
TN+1
TJIT(PER) = |TN–1/f0|
T0
Figure 21. Cycle-to-Cycle Jitter
Figure 22. Period Jitter
The variation in cycle time of a signal between adjacent cycles, over a random
sample of adjacent cycle pairs
The deviation in cycle time of a signal with respect to the ideal period over a
random sample of cycles
tF
tR
VCC = 3.3 V
2.4
0.55
Figure 23. Output Transition Time Test Reference
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