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ICS94201 датащи(PDF) 12 Page - Integrated Circuit Systems |
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ICS94201 датащи(HTML) 12 Page - Integrated Circuit Systems |
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12 / 18 page ![]() 12 ICS94201 Electrical Characteristics - CPU T A = 0 - 70º C; VDDL = 2.5 V +/-5%; CL = 10 - 20 pF (unless otherwise stated) PARAMETER SYMBOL CONDITIONS MIN TYP MAXUNITS Output Impedance 1 R DSP2B Vo=V DD*(0.5) 13.5 15 45 Ω Output Impedance 1 R DSN2B Vo=V DD*(0.5) 13.5 16.5 45 Ω Output High Voltage V OH2B I OH = -1 mA 2 2.48 V Output Low Voltage V OL2B I OL = 1 mA 0.04 0.4 V V OH@MIN = 1 V -60 -27 V OH@MAX = 2.375V -27 -7 V OL@MIN = 1.2 V 27 63 V OL@MAX =0.3V 20 30 Rise Time 1 t r2B V OL = 0.4 V, VOH = 2.0 V 0.4 1 1.6 ns Fall Time 1 t f2B V OH = 2.0 V, VOL = 0.4 V 0.4 1 1.6 ns Duty Cycle 1 d t2B V T = 1.25 V 45 50 55 % Skew 1 t sk2B V T = 1.25 V 30 175 ps V T = 1.25 V, CPU 66, SDRAM 100 300 350 CPU 100, SDRAM 100 240 250 CPU 133, SDRAM 100 400 500 CPU 133, SDRAM 133 300 350 1Guaranteed by design, not 100% tested in production. Jitter, Cycle-to-cycle 1 t jcyc-cyc2B ps mA mA Output High Current I OH2B Output Low Current I OL2B Electrical Characteristics - 3V66 TA = 0 - 70C; VDD = 3.3 V +/-5%; CL = 10-30 pF (unless otherwise specified) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Output Impedance 1 R DSP1 V O = VDD*(0.5) 12 55 Ω Output Impedance 1 R DSN1 V O = VDD*(0.5) 12 55 Ω Output High Voltage VOH1 IOH = -1 mA 2.4 V Output Low Voltage VOL1 IOL = 1 mA 0.55 V VOH @ MIN = 1.0 V -33 VOH @ MAX = 3.135 V -33 VOL @ MIN = 1.95 V 30 VOL @ MAX = 0.4 V 38 Rise Time 1 tr1 VOL = 0.4 V, VOH = 2.4 V 0.4 1 1.6 ns Fall Time 1 tf1 VOH = 2.4 V, VOL = 0.4 V 0.4 0.9 1.6 ns Duty Cycle 1 dt1 VT = 1.5 V 45 49 55 % Skew 1 tsk1 VT = 1.5 V 35 175 ps Jitter, Cycle-to-cycle 1 tjcyc-cyc1 VT = 1.5 V 220 500 ps 1Guaranteed by design, not 100% tested in production. Output High Current Output Low Current mA mA IOH1 IOL1 |
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