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ICS291PG Datasheet(PDF) 6 Page - Integrated Circuit Systems |
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ICS291PG Datasheet(HTML) 6 Page - Integrated Circuit Systems |
6 / 8 page Triple PLL Field Prog. Spread Spectrum Clock Synthesizer MDS 291 C 6 Revision 062205 Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com ICS291 PRELIMINARY INFORMATION AC Electrical Characteristics Unless stated otherwise, VDD = 3.3 V ±5%, Ambient Temperature -40 to +85 ° C Note 1: Measured with 15 pF load. Note 2: Duty Cycle is configuration dependent. Most configurations are min 45% / max 55%. Thermal Characteristics Parameter Symbol Conditions Min. Typ. Max. Units Input Frequency FIN Fundamental crystal 5 27 MHz Clock input 3 166 MHz Output Frequency VDDO=VDD 0.314 200 MHz 1.8 V<VDDO<2.8 V 0.314 150 MHz Output Rise/Fall Time tOF 80% to 20%, high drive, Note 1 1.0 ns Output Rise/Fall Time tOF 80% to 20%, low drive, Note 1 2.0 ns Output Rise/Fall Time tOF 80% to 20%, high drive, 1.8 V<VDDO<2.8 Note 2 2.0 ns Duty Cycle Note 2 40 49-51 60 % Output Frequency Synthesis Error Configuration Dependent TBD ppm Power-up time PLL lock-time from power-up 410 ms PDTS goes high until stable CLK output, Spread Spectrum Off 0.6 2 ms PDTS goes high until stable CLK output, Spread Spectrum On 47 ms One Sigma Clock Period Jitter Configuration Dependent 50 ps Maximum Absolute Jitter tja Deviation from Mean. Configuration Dependent +200 ps Pin-to-Pin Skew Low Skew Outputs -250 250 ps Parameter Symbol Conditions Min. Typ. Max. Units Thermal Resistance Junction to Ambient θ JA Still air 93 °C/W θ JA 1 m/s air flow 78 °C/W θ JA 3 m/s air flow 65 °C/W Thermal Resistance Junction to Case θ JC 20 °C/W |
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