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DS1864 датащи(PDF) 13 Page - Dallas Semiconductor |
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DS1864 датащи(HTML) 13 Page - Dallas Semiconductor |
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13 / 72 page ![]() SFP Laser Controller and Diagnostic IC ____________________________________________________________________ 13 Pin Description PIN PIN NAME DESCRIPTION 1 RSELOUT Open-Drain Rate-Select Output 2 SDA I2C Serial Data Input/Output 3 SCL I2C Serial Clock Input 4 INTX-F TX-F Input from External Device 5 INLOS Loss of Signal Input from External Device 6 IN1 Digital Input 7 N.C. No Connection 8 N.C. No Connection 9 GND Ground. All GND pins must be connected. 10 TX-D Transmit Disable Input. Places DAC0 and DAC1 in high-impedance state. 11 RSEL Rate Select Logic Input 12 MON3N Voltage Monitor Input, Low Side. Used typically for RSSI. 13 MON3P Voltage Monitor Input, High Side. Used typically for RSSI. 14 MON2 Voltage Monitor Input. Used typically for Transmit Power (TXP). 15 N.C. No Connection 16 MON1N Voltage Monitor Input, Low Side. Used typically for Bias Sense Current (IBIAS). 17 MON1P Voltage Monitor Input, High Side. Used typically for Bias Sense Current (IBIAS). 18 DAC1 Lookup Table-Controlled Current Sink 19 GND Ground. All GND pins must be connected. 20 DAC0 Lookup Table-Controlled Current Sink 21 VCC Power Supply. All VCC pins must be connected. 22 N.C. No Connection 23 GND Ground. All GND pins must be connected. 24 FETG Logic Output Driving External FET 25 TX-F Open-Drain Fault Output 26 RX-LOS Open-Drain Loss of Signal Output 27 OUT1 Open-Drain Digital Output 28 VCC Power Supply. All VCC pins must be connected. |
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