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AR0141CS データシート(PDF) 39 Page - ON Semiconductor |
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AR0141CS データシート(HTML) 39 Page - ON Semiconductor |
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39 / 48 page ![]() AR0141CS www.onsemi.com 39 Table 20. I/O TIMING CHARACTERISTICS (1.8 V VDD_IO) (Conditions: fPIXCLK = 37.125 MHz (720P30fps; VDD_IO = 1.8 V) Symbol Definition Condition Min Typ Max Unit fEXTCLK1 Input clock frequency PLL enabled 6 – 50 MHz fEXTCLK1 Input clock frequency PLL enabled 6 – 50 MHz tEXTCLK1 Input clock period PLL enabled 20 – 166.6666667 ns tR Input clock rise time – 3 – ns tF Input clock fall time – 3 – ns tRR PIXCLK rise time PCLK slew rate setting = 2 3.2 5.6 9.5 ns tFP PIXCLK fall time PCLK slew rate setting = 2 2.9 5.0 8.8 ns Clock duty cycle 45 50 55 % tJITTER2 Input clock jitter at 27 MHz – – 600 ps fPIXCLK PIXCLK frequency Default PLL configuration 6 37.125 74.25 MHz tPD PIXCLK to Data[11:0] PCLK slew rate setting = 2 Parallel slew rate setting = 2 −2.2 – 5.9 ns tPFH PIXCLK to FV high PCLK slew rate setting = 2 Parallel slew rate setting = 2 −0.9 – 4.5 ns tPLH PIXCLK to LV high PCLK slew rate setting = 2 Parallel slew rate setting = 2 −0.9 – 4.6 ns tPFL PIXCLK to FV low PCLK slew rate setting = 2 Parallel slew rate setting = 2 −1.7 – 3.1 ns tPLL PIXCLK to FV low PCLK slew rate setting = 2 Parallel slew rate setting = 2 −1.6 – 3.4 ns CLOAD Output load capacitance – 30 – pF CIN Input pin capacitance – 2.5 – pF 1. Slew rate setting = 2 for PIXCLK Slew rate setting = 2 for parallel ports Table 21. I/O RISE SLEW RATE (2.8 V VDD_IO) Parallel Slew Rate (R0x306E[15:13]) Conditions Min Typ Max Units 7 Default 0.83 1.38 2.1 V/ns 6 Default 0.71 1.2 1.84 V/ns 5 Default 0.64 1.07 1.65 V/ns 4 Default 0.56 0.94 1.44 V/ns 3 Default 0.47 0.79 1.21 V/ns 2 Default 0.39 0.64 0.98 V/ns 1 Default 0.29 0.48 0.74 V/ns 0 Default 0.2 0.32 0.49 V/ns 1. 30pf loads at nominal voltages. Table 22. I/O FALL SLEW RATE (2.8 V VDD_IO) Parallel Slew Rate (R0x306E[15:13]) Conditions Min Typ Max Units 7 Default 0.76 1.25 1.85 V/ns 6 Default 0.67 1.12 1.68 V/ns 5 Default 0.61 1.04 1.56 V/ns 4 Default 0.55 0.93 1.41 V/ns |
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