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WM8141CFT/V 数据表(PDF) 9 Page - Wolfson Microelectronics plc |
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WM8141CFT/V 数据表(HTML) 9 Page - Wolfson Microelectronics plc |
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9 / 31 page ![]() Production Data WM8141 WOLFSON MICROELECTRONICS LTD PD Rev 3.0 October 2000 9 OEB OP[11:0] t PZE Hi-Z t PEZ Hi-Z Figure 3 Output Data Enable Timing Test Conditions AVDD = DVDD1 = DVDD2 = 4.75 to 5.25V, AGND = DGND = 0V, TA = 0 to 70 °C, MCLK = 12MHz unless otherwise stated PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS Output propagation delay tPD IOH = 1mA, IOL = 1mA 75 ns Output enable time tPZE 50 ns Output disable time tPEZ 25 ns SERIAL INTERFACE SCK SDI SEN SDO t SPER t SCKL t SCKH t SSU t SH t SCE t SEW t SEC t SESD t SCSD MSB LSB t SCSDZ Figure 4 Serial Interface Timing Test Conditions AVDD = DVDD1 = DVDD2 = 4.75 to 5.25V, AGND = DGND = 0V, TA = 0 to 70 °C, MCLK = 12MHz unless otherwise stated PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS SCK period tSPER 83.3 ns SCK high tSCKH 37.5 ns SCK low tSCKL 37.5 ns SDI set-up time tSSU 10 ns SDI hold time tSH 10 ns SCK to SEN set-up time tSCE 20 ns SEN to SCK set-up time tSEC 20 ns SEN pulse width tSEW 50 ns SEN low to SDO out tSESD 35 ns SCK low to SDO out tSCSD 35 ns SCK low to SDO high impedance tSCSDZ 25 ns Note: Parameters are measured at 50% of the rising/falling edge. |
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