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SN65HVD61 Datasheet(PDF) 9 Page - Texas Instruments |
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SN65HVD61 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 20 page XF3 XF1 CHEN VDD DGND CGND 0V CHEN 0V 50% V or V RX CD tpZH tpHZ RX CD RL 0V + - CL 0V TestInput Signal VOH 90% VCC VCC VID CL RL VDD 0.5VDD SN65HVD61 www.ti.com SLLS770D – JANUARY 2007 – REVISED JUNE 2011 PARAMETER MEASUREMENT INFORMATION (continued) Figure 7. Test Circuit and Signal Waveforms, Receiver Enable and Disable With High Bus Input Table 1. FUNCTION TABLES TRANSMITTER INPUTS OUTPUTS CHEN TXEN TX TXBAR XF1 XF3 L or OPEN X X X Z Z L or OPEN X X Z Z L or OPEN L or OPEN Z Z H H L or OPEN H Z L H L or OPEN L Z H(1) H(1) H(1) L(1) L(1) (1) This combination is not supported and should be avoided in ControlNet applications RECEIVER INPUTS OUTPUT CHEN XF1, XF3 CONDITION RX L or OPEN X Chip disabled Z (VXF3 – VXF1) < VTH– Negative signal L H VTH– < (VXF3 – VXF1) < VTH+ No signal ? VTH+ < (VXF3 – VXF1) Positive signal H CARRIER DETECT INPUTS OUTPUT CHEN XF1, XF3 CONDITION CD L or OPEN X Chip disabled Z (VXF3 – VXF1) < VCD Carrier not detected L VCD < (VXF3 – VXF1) Carrier detected H Copyright © 2007–2011, Texas Instruments Incorporated 9 |
Similar Part No. - SN65HVD61_15 |
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Similar Description - SN65HVD61_15 |
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