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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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PAC5255 Arkusz danych(PDF) 56 Page - Active-Semi, Inc |
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PAC5255 Arkusz danych(HTML) 56 Page - Active-Semi, Inc |
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56 / 74 page  PAC5255 Power Application Controller 15.4. Electrical Characteristics Table 29. Clock Control System Electrical Characteristics (VSYS = VCCIO = 5V, VCC33 = 3.3V, VCC18 = 1.8V, and TA = -40°C to 105°C unless otherwise specified.) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNI T Clock Tree (FRCLK, FCLK, HCLK, and ACLK) fFRCLK Free running clock frequency 50 MHz fFCLK Fast clock frequency 100 MHz fHCLK High-speed clock frequency 50 MHz fACLK Auxiliary clock frequency 100 MHz Internal Oscillators fROSC Ring oscillator frequency Frequency setting = 11b 7.5 MHz Frequency setting = 10b 9.6 Frequency setting = 01b 13.8 Frequency setting = 00b 25.7 fTRIM Trimmed RC oscillator frequency TA = 25°C -2% 4 2% MHz TA = -40°C to 105°C -3% 4 3% Trimmed RC oscillator clock jitter TA = -40°C to 85°C 0.5 % Crystal Oscillator Driver VIH;XIN XIN high-level input voltage 0.65•VCC18 V VIL;XIN XIN low-level input voltage 0.35•VCC18 V fXTAL Crystal oscillator frequency range 2 10 MHz Recommended capacitive load fXTAL = 2MHz to 3MHz 25 pF fXTAL = 3MHz to 6MHz 20 fXTAL = 6MHz to 10MHz 16 External circuit ESR fXTAL = 2MHz to 3MHz 1000 Ω fXTAL = 3MHz to 6MHz 400 fXTAL = 6MHz to 10MHz 100 External Clock Input fEXTCLK External clock input frequency range 40 MHz tHIGH;EXTCLK External clock high time 10 ns tLOW;EXTCLK External clock low time 10 ns PLL fINPLL PLL input frequency range 2 25 MHz fOUTPLL PLL output frequency range 3.5 100 MHz PLL settling time 0.5 ms PLL period jitter RMS 30 ps Peak to peak ±150 - 56 - Rev 1.10‒March 3, 2018 |
Podobny numer części - PAC5255_18 |
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Podobny opis - PAC5255_18 |
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