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MAX4986CTO+ Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX4986CTO+ Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 14 page SAS/SATA Single Lane 2:1/1:2 Multiplexer/ Demultiplexer Plus Redriver with Equalization 8 Pin Description (continued) PIN NAME FUNCTION 15 MODEA INAP/INAM OOB-Mode Logic Input. Drive MODEA low or leave unconnected for SAS OOB thresh- old. Drive MODEA high for SATA OOB threshold. MODEA is internally pulled down by a 330kI (typ) resistor. 16 MODEB INBP/INBM OOB-Mode Logic Input. Drive MODEB low or leave unconnected for SAS OOB thresh- old. Drive MODEB high for SATA OOB threshold. MODEB is internally pulled down by a 330kI (typ) resistor. 18 OAMP OUTP/OUTM Output Level Selection. Drive OAMP high for low output amplitude. Drive OAMP low or leave unconnected for high output amplitude. See the Electrical Characteristics table. OAMP is internally pulled down by a 330kI (typ) resistor. 19 OUTPE OUTP/OUTM Output Preemphasis Logic Input. Drive OUTPE low or leave unconnected for no out- put preemphasis. Drive OUTPE high for 3dB (typ) output preemphasis. OUTPE is internally pulled down by a 330kI (typ) resistor. 20 EQB INBP/INBM Input Equalization Logic Input. Drive EQB low or leave unconnected for no input equal- ization. Drive EQB high for 4dB (typ) input equalization. EQB is internally pulled down by a 330kI (typ) resistor. 21 EQA INAP/INAM Input Equalization Logic Input. Drive EQA low or leave unconnected for no input equal- ization. Drive EQA high for 4dB (typ) input equalization. EQA is internally pulled down by a 330kI (typ) resistor. 24 INBM Channel 2 Inverting Input B 25 INBP Channel 2 Noninverting Input B 27 INAM Channel 2 Inverting Input A 28 INAP Channel 2 Noninverting Input A 30 EN Active-Low Enable Input. Drive EN high or leave unconnected for reduced power standby mode. Drive EN low for normal operation. See Table 1. EN is internally pulled up by a 330kI (typ) resistor. 32 OUTBM Channel 1 Inverting Output B 33 OUTBP Channel 1 Noninverting Output B 35 OUTAM Channel 1 Inverting Output A 36 OUTAP Channel 1 Noninverting Output A 39 PEA OUTAP/OUTAM Output Preemphasis Logic Input. Drive PEA low or leave unconnected for no out- put preemphasis. Drive PEA high for 3dB (typ) output preemphasis. PEA is internally pulled down by a 330kI (typ) resistor. 40 PEB OUTBP/OUTBM Output Preemphasis Logic Input. Drive PEB low or leave unconnected for no out- put preemphasis. Drive PEB high for 3dB (typ) output preemphasis. PEB is internally pulled down by a 330kI (typ) resistor. 41 INEQ INP/INM Input Equalization Logic Input. Drive INEQ low or leave unconnected for no input equaliza- tion. Drive INEQ high for 4dB (typ) input equalization. INEQ is internally pulled down by a 330kI (typ) resistor. 42 MODE INP/INM OOB-Mode Logic Input. Drive MODE low or leave unconnected for SAS OOB threshold. Drive MODE high for SATA OOB threshold. MODE is internally pulled down by a 330kI (typ) resistor. — EP Exposed Pad. Internally connected to GND. Connect EP to a large ground plane to maximize ther- mal performance. |
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