6 Parameter Measurement Information

Input generator rate is 100 kbps, 50% duty cycle, rise and fall times less than 6 ns, output impedance 50 Ω.

Figure 6-1 Measurement of Driver Differential Output Voltage With Common-Mode Load

Figure 6-2 Measurement of Driver Differential and Common-Mode Output With RS-485 Load

Figure 6-3 Measurement of Driver Differential Output Rise and Fall Times and Propagation Delays

D at 3 V to test non-inverting output, D at 0 V to test inverting output.

Figure 6-4 Measurement of Driver Enable and Disable Times With Active High Output and Pulldown Load

D at 0 V to test non-inverting output, D at 3 V to test inverting output.

Figure 6-5 Measurement of Driver Enable and Disable Times With Active-Low Output and Pullup Load

Figure 6-6 Measurement of Receiver Output Rise and Fall Times and Propagation Delays

Figure 6-7 Measurement of Receiver Enable and Disable Times With Driver Enabled

Figure 6-8 SN65HVD1781 Measurement of Receiver Enable Times With Driver Disabled