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X1CLKIN Scheda tecnica(PDF) 5 Page - Pericom Semiconductor Corporation |
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X1CLKIN Scheda tecnica(HTML) 5 Page - Pericom Semiconductor Corporation |
5 / 9 page 5 PI6C3622-1 Low Power Spread Spectrum Frequency Multiplier SSCG-GP Family PS8944A 01/30/08 Supply Voltage to Ground................................................................... 5.5V All Inputs and Outputs ...............................................–0.5V to VDD+0.5V Storage Temperature ............................................................–65 to +150°C Junction Temperature........................................................................150°C Soldering Temperature......................................................................260°C Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended period may affect reliability. Maximum Ratings DC Characteristics VDD = 2.5V ±5%, Ambient Temperature 0 to +70°C Symbol Parameter Conditions Min. Typ. Max Unit VDD Operating voltage 2.375 2.5 2.625 V VIH Input high voltage 2.0 – – V VIL Input low voltage – – 0.8 V VOH Output high voltage IOH=-8mA 1.8 – – V VOL Output low voltage IOL= 8mA – – 0.6 V IDD Supply current 27MHz input and no load – – 3.6 mA ZOUT_DOWN Nominal output impedance Down side buffer – 50 – Ω ZOUT_UP Nominal output impedance Up side buffer – 50 – Ω CIN Input capacitance X1 input pin – 5 – pF Electrical Specification AC Characteristics VDD = 2.5V ±5%, Ambient Temperature 0 to +70°C , Fin=27MHz Symbol Parameter Conditions Min. Typ. Max Unit CLKIN Input Frequency 20 MHz≤ Fin ≤40 MHz 20 27 40 MHz CLKOUT Output Frequency (1X) 20 MHz≤ Fin ≤40 MHz 20 27 40 MHz SRatio Spreading Ratio (SSON=1) (S1,S0)=(0,1) ±0.30 % (S1,S0)=(1,0) ±0.50 (S1,S0)=(1,1) ±0.70 SRatio Spreading ratio (SSON=0) (S1,S0)=(0/1, 0/1) 0 % tRise Output rise time Measured from 20% to 80% VDD, 15pF load. – 2.1 – ns tFall Output fall time Measured from 80% to 20% VDD, 15pF load – 1.9 – ns tJ_Short Short term cycle to cycle jitter – 200 300 ps TSSON Spreading on/off settle time 30 μs TDCIN Input duty cycle 40 50 60 % TDCOUT Output duty cycle 45 50 55 % |
Descrizione simile - X1CLKIN |
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