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CDCM9102RHBT Fiches technique(PDF) 5 Page - Texas Instruments |
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CDCM9102RHBT Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 20 page CDCM9102 www.ti.com SCAS922 – FEBRUARY 2012 CRYSTAL-OSCILLATOR INPUT-PORT CHARACTERISTICS (XIN) VDD = 3.3 V, TA = –40°C to 85°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CRYSTAL CHARACTERISTICS (External 25 MHz Crystal) fXTAL Crystal input frequency Fundamental mode 25 MHz ESR Effective series resistance of crystal 50 Ω CIN On-chip load capacitance 8 10 pF XTALDL Maximum drive level - XTAL 0.1 1 mW CSHUNT Maximum shunt capacitance 7 pF CLOCK OUTPUT BUFFER CHARACTERISTICS (OUTPUT MODE = LVPECL) VDD1, VDD2 = 3.3 V; TA = –40°C to 85°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOH Output high voltage VDD – 1.18 VDD – 0.73 V VOL Output low voltage VDD – 2 VDD – 1.55 V |VOD| Differential output voltage 0.6 1.23 V tR/tF Output rise/fall time 20% to 80% 175 ps ODC Output duty cycle 45% 55% tSKEW Skew between outputs 20 ps CLOCK OUTPUT BUFFER CHARACTERISTICS (OUTPUT MODE = LVDS) VDD1, VDD2 = 3.3V; TA = –40°C to 85°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT |VOD| Differential output voltage 0.247 0.454 V ΔVOD VOD magnitude change 50 mV VOS Common-mode voltage 1.125 1.375 V ΔVOS VOS magnitude change 50 mV tR/tF Output rise/fall time 20% to 80% 255 ps ODC Output duty cycle 45% 55% tSKEW Skew between outputs 30 ps CLOCK OUTPUT BUFFER CHARACTERISTICS (OUTPUT MODE = LVCMOS) VDD1, VDD2 = 3.3V; TA = –40°C to 85°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOH Output high voltage VCC = 3 V to 3.6 V, IOH = –100 µA VDD – 0.5 V VOL Output low voltage VCC = 3 V to 3.6 V, IOH = 100 µA 0.3 V tSLEW Output rise/fall slew rate 20% to 80% 2.4 V/ns ODC Output duty cycle 45% 55% tSKEW Skew between outputs 50 ps OUTPUT JITTER PERFORMANCE fOUT = 100 MHz, VDD = 3.3 V, TA = 25°C, jitter integration bandwidth 10 kHz–20 MHz LVCMOS OUTPUT MODE LVPECL OUTPUT MODE LVDS OUTPUT MODE Random jitter Period jitter Random jitter Period jitter Random jitter Period jitter (fs) (ps pk-pk) (fs) (ps pk-pk) (fs) (ps pk-pk) 507 24.5 510 20.7 533 26.5 Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): CDCM9102 |
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