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CS5581 Folha de dados(PDF) 9 Page - Cirrus Logic |
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CS5581 Folha de dados(HTML) 9 Page - Cirrus Logic |
9 / 32 page CS5581 DS796PP1 9 3/25/08 14:34 SWITCHING CHARACTERISTICS (CONTINUED) TA = -40 to +85 °C; V1+ = V2+ = +2.5 V, ±5%; V1- = V2- = -2.5 V, ±5%; VL - VLR = 3.3 V, ±5%, 2.5 V, ±5%, or 1.8 V, ±5% Input levels: Logic 0 = 0V = Low; Logic 1 = VD+ = High; CL = 15 pF. 15. SDO will be high impedance when CS is high. In some systems SDO may require a pull-down resistor. Parameter Symbol Min Typ Max Unit Serial Port Timing in SEC Mode (SMODE = VLR) SCLK(in) Pulse Width (High) - 30 - - ns SCLK(in) Pulse Width (Low) - 30 - - ns CS hold time (high) after RDY falling t15 10 - - ns CS hold time (high) after SCLK rising t16 10 - - ns CS low to SDO out of Hi-Z (Note 15) t17 -10 - ns Data hold time after SCLK rising t18 -10 - ns Data setup time before SCLK rising t19 10 - - ns CS hold time (low) after SCLK rising t20 10 - ns RDY rising after SCLK falling t21 -10 - ns 1 SCLK 10 MCLK SCLK(i) SDO CS RDY LSB MSB t19 t18 t20 t17 t16 t15 t21 Figure 3. SEC Mode - Continuous SCLK Read Timing (Not to Scale) |
Nº de peça semelhante - CS5581 |
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Descrição semelhante - CS5581 |
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