PARAMETER MEASUREMENT INFORMATION

2

2

0 V or 3 V

Z

D

DE at 3 V

Y

R1

375

Ω

0 V or 3 V

Z

D

DE at 3 V

R2

375

Ω

Y

0 V

3 V

1.5 V

50%

Output

Input

TEST CIRCUIT

VOLTAGE WAVEFORMS

(see Note B)

Output

Generator

(see Note A)

50

Ω

1.5 V

1.5 V

50%

Z

Y

DE at 3 V

90%

10%

10%

90%

SN55LBC180

SN65LBC180

SN75LBC180

Figure 1. Differential and Common-Mode Output Voltages

Figure 3. Driver Test Circuit and Differential Output Delay and Transition Time Voltage Waveforms

6

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