TEST CIRCUIT

Output

5 V

S1

50

Ω

0 V

VOLTAGE WAVEFORMS

5 V

0.5 V

3 V

0 V

2.3 V

1.5 V

Output

Input

(see Note B)

Generator

(see Note A)

1.5 V

50

Ω

(see Note B)

Output

1.5 V

0 V

TEST CIRCUIT

VOLTAGE WAVEFORMS

1.5 V

3 V

0 V

Input

Output

1.3 V

Input

Generator

(see Note A)

1.5 V

1.3 V

90%

10%

SN65LBC180A

SN75LBC180A

PARAMETER MEASUREMENT INFORMATION (continued)

A.

The input pulse is supplied by a generator having the following characteristics: PRR

B.

Figure 5. Driver Test Circuit and Voltage Waveforms

A.

The input pulse is supplied by a generator having the following characteristics: PRR

B.

Figure 7. Receiver Test Circuit and Voltage Waveforms

8

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