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LE58QL022BVC bảng dữ liệu(PDF) 19 Page - Zarlink Semiconductor Inc |
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LE58QL022BVC bảng dữ liệu(HTML) 19 Page - Zarlink Semiconductor Inc |
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19 / 61 page ![]() Le58QL022 Data Sheet 19 Zarlink Semiconductor Inc. SWITCHING CHARACTERISTICS The following are the switching characteristics over operating range (unless otherwise noted). Min and max values are valid for all digital outputs with a 115 pF load, except CD1–C5 with a 30 pF load. (See Figure 11 and Figure 12 for the microprocessor interface timing diagrams.) Microprocessor Interface PCM Interface PCLK not to exceed 8.192 MHz. No. Symbol Parameter Min Typ Max Unit Note 1 tDCY Data clock period 122 ns 2 tDCH Data clock HIGH pulse width 48 3 tDCL Data clock LOW pulse width 48 4 tDCR Rise time of clock 25 5 tDCF Fall time of clock 25 6 tICSS Chip select setup time, Input mode 30 tDCY–10 7 tICSH Chip select hold time, Input mode 0 tDCH–20 8 tICSL Chip select pulse width, Input mode 8tDCY 9 tICSO Chip select off time, Input mode 2500 1 10 tIDS Input data setup time 25 11 tIDH Input data hold time 30 12 tOLH SLIC output latch valid 2500 13 tOCSS Chip select setup time, Output mode 30 tDCY–10 14 tOCSH Chip select hold time, Output mode 0 tDCH–20 15 tOCSL Chip select pulse width, Output mode 8tDCY 16 tOCSO Chip select off time, Output mode 2500 1 17 tODD Output data turn on delay 50 2 18 tODH Output data hold time 3 19 tODOF Output data turn off delay 50 20 tODC Output data valid 50 21 tRST Reset pulse width 50 µs |
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