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SC9270D Datasheet(PDF) 2 Page - Silan Microelectronics Joint-stock |
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SC9270D Datasheet(HTML) 2 Page - Silan Microelectronics Joint-stock |
2 / 12 page Silan Semiconductors SC9270C/D HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.1 2001.04.27 2 BLOCK DIAGRAM BIAS CIRCUIT 18 9 6 Chip power Chip bias 1 2 DIAL TONE FILTER 3 5 HIGH GROUP FILTER HIGH GROUP FILTER DIGITAL DETECTION ALGORITHM CODE CONVERTER AND LATCH 11 12 13 14 STEERING LOGIC 16 15 17 8 7 10 St GT Chip clock Chip ref Zero crossing detectors - + + - IN+ GS IN- VDD VSS PWDN VREF Q1 Q2 Q3 Q4 TOE StD ESt St/GT OSCO OSCI 4 INH Figure 1. block diagram ABSOLUTE MAXIMUM RATINGS (Notes 1, 2, 3) Characteristic Symbol Value Unit Power Supply Voltage VDD-VSS 6V Voltage on any pin -- VSS-0.3 ~ VDD+0.3 V Current at any pin -- 10 mA Operating temperature Topr -40~+85 °C Storage Temperature Tstg -65~+150 °C Package power dissipation 500 mW Note: 1. Absolute maximum ratings are those values beyond which damage to the device may occur. 2. Unless otherwise specified, all voltages are referenced to ground. 3. Power dissipation temperature derating: -12 mV / from 65°C to 85°C RECOMMENDED OPERATING CONDITIONS (Note 1) Parameter Symbol Conditions Min Typ(Note 2) Max Unit Positive Supply Voltages VDD VSS=0V 1.2 5 -- V Oscillator Clock Frequency fc -- -- 3.579545 -- MHz Oscillator Frequency Tolerance ∆fc -- -- ±0.1 -- % Note: 1. Voltages are with respect to ground(Vss), unless otherwise stated. 2 .Typical figures are at 25 °C and are for design aid only: not guaranteed and not subject to production testing. |
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