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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS61535A датащи(PDF) 7 Page - Cirrus Logic |
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CS61535A датащи(HTML) 7 Page - Cirrus Logic |
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7 / 48 page  E1 SWITCHING CHARACTERISTICS (TA = -40 °C to 85°C; TV+, RV+ = 5.0V ±5%; GND = 0V; Inputs: Logic 0 = 0V, Logic 1 = RV+; See Figures 1, 2, & 3) Parameter Symbol Min Typ Max Units Crystal Frequency (Note 29) fc - 8.192000 - MHz ACLKI Duty Cycle tpwh3/tpw3 40 - 60 % ACLKI Frequency (Note 30) faclki -2.048 - MHz RCLK Duty Cycle (Notes 31, 32) tpwh1/tpw1 -29 - % RCLK Cycle Width (Note 32) tpw1 tpwh1 tpwl1 310 90 120 488 140 348 670 190 500 ns ns ns RCLK Cycle Width (Note 32) tpw1 tpwh1 tpwl1 320 - 100 488 348 140 670 - - ns ns ns Rise Time, All Digital Outputs (Note 33) tr - - 85 ns Fall Time, All Digital Outputs (Note 33) tf - - 85 ns TPOS/TNEG (TDATA) to TCLK Falling Setup Time tsu2 25 - - ns TCLK Falling to TPOS/TNEG (TDATA) Hold Time th2 25 - - ns RPOS/RNEG Valid Before RCLK Falling (Note 34) tsu1 100 194 - ns RDATA Valid Before RCLK Falling (Note 35) tsu1 100 194 - ns RPOS/RNEG Valid Before RCLK Rising (Note 31) tsu1 100 194 - ns RPOS/RNEG Valid After RCLK Falling (Note 34) th1 100 194 - ns RDATA Valid After RCLK Falling (Note 35) th1 100 194 - ns RPOS/RNEG Valid After RCLK Rising (Note 31) th1 100 194 - ns TCLK Frequency ftclk -2.048 - MHz TCLK Pulse Width (Notes 31, 34, 36, 37) (Notes 35, 36, 37) tpwh2 80 150 - - 340 340 ns ns TCLK TPOS/TNEG t su2 t h2 t pwh2 t pw2 Figure 3a. Transmit Clock and Data Switching Characteristics ACLKI t pwh3 t pw3 Figure 3b. Alternate External Clock Characteristics Any Digital Output t r t f 10% 10% 90% 90% Figure 2. Signal Rise and Fall Characteristics CS61535A DS40F2 7 |
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