參數(shù)資料
型號: MPC9772FA
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時鐘產(chǎn)生/分配
英文描述: 230 MHz, OTHER CLOCK GENERATOR, PQFP52
封裝: LQFP-52
文件頁數(shù): 14/16頁
文件大?。?/td> 833K
代理商: MPC9772FA
IDT / ICS 3.3V 1:12 LVCMOS PLL CLOCK GENERATOR
7
MPC9772 REV 6 FEBRUARY 7, 2007
MPC9772
3.3V 1:12 LVCMOS PLL CLOCK GENERATOR
t()
Propagation Delay (static phase offset)(7)
CCLK to FB_IN
6.25 MHz < fREF < 65.0 MHz
65.0 MHz < fREF < 125 MHz
fREF=50 MHz and feedback=÷8
–3
–4
–166
+3
+4
+166
°
ps
PLL locked
tSK(O)
Output-to-output Skew(8)
within QA outputs
within QB outputs
within QC outputs
all outputs
100
250
ps
DC
Output Duty Cycle(9)
(T
÷2) – 200
T
÷ 2
(T
÷2) + 200
ps
tR, tF
Output Rise/Fall Time
0.1
1.0
ns
0.55 to 2.4 V
tPLZ, HZ
Output Disable Time
8
ns
tPZL, LZ
Output Enable Time
8
ns
tJIT(CC)
Cycle-to-cycle Jitter(10)
150
200
ps
tJIT(PER) Period Jitter(11)
150
ps
tJIT()
I/O Phase Jitter RMS (1
σ)(12)
÷4 feedback
÷6 feedback
÷8 feedback
÷10 feedback
÷12 feedback
÷16 feedback
÷20 feedback
÷24 feedback
÷32 feedback
÷40 feedback
11
86
13
88
16
19
21
22
27
30
ps
(VCO=400 MHz)
BW
PLL closed loop bandwidth(13)
÷4 feedback
÷6 feedback
÷8 feedback
÷10 feedback
÷12 feedback
÷16 feedback
÷20 feedback
÷24 feedback
÷32 feedback
÷40 feedback
1.20 – 3.50
0.70 – 2.50
0.50 – 1.80
0.45 – 1.20
0.30 – 1.00
0.25 – 0.70
0.20 – 0.55
0.17 – 0.40
0.12 – 0.30
0.11 – 0.28
MHz
tLOCK
Maximum PLL Lock Time
10
ms
1. AC characteristics apply for parallel output termination of 50
to VTT.
2. In bypass mode, the MPC9772 divides the input reference clock.
3. The input reference frequency must match the VCO lock range divided by the total feedback divider ratio: fREF= fVCO ÷ (M VCO_SEL).
4. The crystal frequency range must both meet the interface frequency range and VCO lock range divided by the feedback divider ratio:
fXTAL(min, max) = fVCO(min, max) ÷ (M VCO_SEL) and 10 MHz ≤ fXTAL ≤ 25 MHz.
5. Calculation of reference duty cycle limits: DCREF,MIN = tPW,MIN fREF 100% and DCREF,MAX = 100% – DCREF, MIN.
6. The MPC9772 will operate with input rise/fall times up to 3.0 ns, but the A.C. characteristics, specifically t(), tPW,MIN, DC and fMAX can only
be guaranteed if tR, tF are within the specified range.
7. Static phase offset depends on the reference frequency. t() [s] = t() [°] ÷ (fREF 360°).
8. Excluding QSYNC output. See application section for part-to-part skew calculation.
9. Output duty cycle is DC = (0.5
± 200 ps fOUT) 100%. E.g. the DC range at fOUT = 100 MHz is 48% < DC < 52%. T = output period.
10. Cycle jitter is valid for all outputs in the same divider configuration. See Applications Information section for more details.
11. Period jitter is valid for all outputs in the same divider configuration. See Applications Information section for more details.
12. I/O jitter is valid for a VCO frequency of 400 MHz. See Applications Information section for I/O jitter vs. VCO frequency.
13. –3 dB point of PLL transfer characteristics.
Table 10. AC Characteristics (VCC = 3.3 V ± 5%, TA = –40° to +85°C)(1), (2), continued on next page
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
TA = 0°C
to +70°C
TA = –40°C
to +85°C
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參數(shù)描述
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MPC9773 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:3.3 V 1:12 LVCMOS PLL Clock Generator
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MPC9773AER2 功能描述:時鐘發(fā)生器及支持產(chǎn)品 FSL 1-12 LVCMOS/LVPE CL to LVCMOS PLL Clo RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
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