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WM8150SCDS/R Datasheet(PDF) 8 Page - Wolfson Microelectronics plc |
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WM8150SCDS/R Datasheet(HTML) 8 Page - Wolfson Microelectronics plc |
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8 / 26 page ![]() WM8150 Production Data w PD Rev 4.1 February 2005 8 INPUT VIDEO SAMPLING MCLK VSMP INPUT VIDEO t PER t VSMPSU t VSMPH t VSU t VH t RSU t RH t MCLKL t MCLKH Figure 1 Input Video Timing Note: 1. See Page 15 (Programmable VSMP Detect Circuit) for video sampling description. Test Conditions VDD = 5.0V, DVDD = 3.3V, AGND = DGND = 0V, TA = 25 °C, MCLK = 16MHz unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS MCLK period tPER 62.5 ns MCLK high period tMCLKH 28.1 ns MCLK low period tMCLKL 28.1 ns VSMP set-up time tVSMPSU 8 ns VSMP hold time tVSMPH 4 ns Video level set-up time tVSU 15 ns Video level hold time tVH 5 ns Reset level set-up time tRSU 15 ns Reset level hold time tRH 5 ns Notes: 1. tVSU and tRSU denote the set-up time required after the input video signal has settled. 2. Parameters are measured at 50% of the rising/falling edge. OUTPUT DATA TIMING MCLK OP[3:0] t PD t PD Figure 2 Output Data Timing Test Conditions VDD = 5.0V, DVDD = 3.3V, AGND = DGND = 0V, TA = 25 °C, MCLK = 16MHz unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS Output propagation delay tPD IOH = 1mA, IOL = 1mA 30 ns |
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