Rainbow-electronics DS92LV040A Manual de usuario Pagina 1

DS92LV040A4 Channel Bus LVDS TransceiverGeneral DescriptionThe DS92LV040A is one in a series of Bus LVDS transceiv-ers designed specifically for high

Connection Diagram10133602Top ViewOrder Number DS92LV040ATLQASee NS Package Number LQA44ADS92LV040Awww.national.com 10

Pinout DescriptionPin Name Pin # Input/Output DescriptionsDO+/RI+ 14, 16, 19, 21 I/O True Bus LVDS Driver Outputs and Receiver Inputs.DO−/RI− 13, 15,

Physical Dimensions All dimensions are in millimetersPhysical Dimensions inches (millimeters) unless otherwise noted44 pin Plastic LLP PackageOrder Nu

Absolute Maximum Ratings (Notes 1,2)If Military/Aerospace specified devices are required,please contact the National Semiconductor Sales Office/Distri

DC Electrical Characteristics (Continued)Over recommended operating supply voltage and temperature ranges unless otherwise specified (Notes 2, 4)Symbo

AC Electrical Characteristics (Continued)Over recommended operating supply voltage and temperature ranges unless otherwise specified (Note 7)Symbol Pa

Applications Information (Continued)existing RS-422 drivers. The TRI-STATE function allows thedriver outputs to be disabled, thus obtaining an even lo

Applications Information (Continued)TABLE 1. Functional TableMODE SELECTED DE REDRIVER MODE H HRECEIVER MODE L LTRI-STATE™MODE L HLOOP BACK MODE H LTA

Test Circuits and Timing Waveforms (Continued)10133604FIGURE 2. Differential Driver Propagation Delay and Transition Time Test Circuit10133605FIGURE 3

Test Circuits and Timing Waveforms (Continued)10133607FIGURE 5. Driver TRI-STATE Delay Waveforms10133608FIGURE 6. Receiver Propagation Delay and Trans

Test Circuits and Timing Waveforms (Continued)Typical Bus ApplicationConfigurations10133612Bidirectional Half-Duplex Point-to-Point Applications101336