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ICS952621 Datasheet(PDF) 7 Page - Integrated Circuit Systems |
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ICS952621 Datasheet(HTML) 7 Page - Integrated Circuit Systems |
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7 / 15 page  7 Integrated Circuit Systems, Inc. ICS952621 0756A—09/10/04 Electrical Characteristics - VCH, USB TA = 0 - 70°C; VDD = 3.3V +/-5%; CL = 10-20 pF (unless otherwise specified) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Notes Long Accuracy ppmsee Tperiod min-max values -200 200 ppm1,2 Clock period Tperiod 48.008MHz output nominal 20.8257 20.8340 ns 2 Output High Voltage VOH IOH = -1 mA 2.4 V Output Low Voltage VOL IOL = 1 mA 0.55 V V OH = 1.0 V -29 mA VOH = 3.135 V -23 mA VOL = 1.95 V 29 mA VOL = 0.4 V 27 mA Edge Rate Rising edge rate 1 2 V/ns 1 Edge Rate Falling edge rate 1 2 V/ns 1 Rise Time tr1 VOL = 0.4 V, VOH = 2.4 V 11.45 2 ns 1 Fall Time tf1 VOH = 2.4 V, VOL = 0.4 V 11.37 2 ns 1 Duty Cycle dt1 VT = 1.5 V 45 52.5 55 % 1 Skew tsk1 VT = 1.5 V 1ns 1 Long Term Jitter 125us period jitter (8kHz frequency modulation amplitude) 0.628 6 ns 1 1Guaranteed by design, not 100% tested in production. Output Low Current IOL 2 All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref output is at 14.31818MHz Output High Current IOH PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Notes Long Accuracy ppm see Tperiod min-max values -200 200 ppm1,2 Clock period Tperiod 48.008MHz output nominal 20.8257 20.8340 ns 2 Output High Voltage VOH IOH = -1 mA 2.4 V Output Low Voltage VOL IOL = 1 mA 0.55 V V OH = 1.0 V -29 mA VOH = 3.135 V -23 mA VOL = 1.95 V 29 mA VOL = 0.4 V 27 mA Edge Rate Rising edge rate 2 4 V/ns 1 Edge Rate Falling edge rate 2 4 V/ns 1 Rise Time tr1 VOL = 0.4 V, VOH = 2.4 V 0.5 0.87 1 ns 1 Fall Time tf1 VOH = 2.4 V, VOL = 0.4 V 0.5 0.89 1 ns 1 Duty Cycle dt1 VT = 1.5 V 45 52.3 55 % 1 Skew tsk1 VT = 1.5 V 1ns 1 Long Term Jitter 125us period jitter (8kHz frequency modulation amplitude) 0.636 2 ns 1 1Guaranteed by design, not 100% tested in production. TA = 0 - 70°C; VDD = 3.3V +/-5%; CL = 5-10 pF (unless otherwise specified) Electrical Characteristics - 48MHz DOT Clock 2 All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref output is at 14.31818MHz Output High Current IOH Output Low Current IOL |
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