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DS1876 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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DS1876 Datasheet(HTML) 2 Page - Maxim Integrated Products |
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2 / 69 page ![]() 2 Maxim Integrated SFP Controller with Dual LDD Interface DS1876 TABLE OF CONTENTS Absolute Maximum Ratings . .. ... ... .. .. ... ... .. ... ... .. ... ... .. ... .. ... ... .. ... ... .. ... .. ... ... . 5 Recommended Operating Conditions .. .. ... ... ... .. ... .. ... .. ... ... .. ... ... .. ... ... .. ... .. ... ... .. 5 DC Electrical Characteristics . ... .. ... .. ... .. ... ... .. ... .. ... ... .. ... ... .. ... ... .. ... .. ... ... .. ... 5 MOD_, APC_ Electrical Characteristics .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... . 6 Analog Quick-Trip Characteristics . ... .. ... .. ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... ... .. ... ... . 6 Analog Voltage Monitoring Characteristics . ... .. ... .. ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... ... .. 6 Digital Thermometer Characteristics ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... ... .. ... ... .. ... ... .. 7 AC Electrical Characteristics ... ... .. ... ... .. ... .. ... .. ... ... .. ... .. ... ... .. ... ... ... .. ... .. ... ... 7 Quick-Trip Timing Characteristics.. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... . 7 I2C AC Electrical Characteristics .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... . 7 Nonvolatile Memory Characteristics.. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. .. 8 Typical Operating Characteristics . ... .. ... ... .. .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... ... .. ... . 9 Pin Configuration .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... ... .. ... .. ... ... .. ... ... .. ... ... .. ... . 10 Pin Description .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... ... .. ... . 10 Block Diagram .. ... ... .. ... .. ... .. ... ... .. ... ... ... .. .. ... ... .. ... ... .. ... ... .. ... .. ... ... .. . 11 Typical Operating Circuit . ... ... .. ... .. ... ... .. ... .. ... ... .. ... ... .. ... .. ... ... .. ... ... .. ... ... . 12 Detailed Description.. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... ... .. 12 DACs During Power-Up ...................................................................... 12 DACs as a Function of Transmit Disable (TXD1, TXD2) .............................................. 13 Quick-Trip Timing ........................................................................... 13 Monitors and Fault Detection .................................................................. 14 Monitors ................................................................................ 14 Six Quick-Trip Monitors and Alarms........................................................... 14 Six ADC Monitors and Alarms ............................................................... 14 ADC Timing ............................................................................. 15 Right-Shifting ADC Result .................................................................. 15 Low-Voltage Operation ....................................................................... 15 Delta-Sigma Outputs......................................................................... 16 Digital I/O Pins.............................................................................. 18 IN1, RSEL, OUT1, RSELOUT ................................................................ 18 TXF1, TXF2, TXFOUT, TXD1, TXD2, TXDOUT1, TXDOUT2 ........................................ 18 Transmit Fault (TXFOUT) Output ............................................................. 19 Die Identification ............................................................................ 19 I2C Communication ... ... .. ... .. ... ... .. ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... .. ... . 19 I2C Definitions .............................................................................. 19 I2C Protocol................................................................................ 21 |
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