SN75155

LINE DRIVER AND RECEIVER

SLLS017C – JULY 1986 – REVISED MAY 1995

6

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

TEST CIRCUIT

CL = 50 pF

(see Note A)

Output

RL = 3 kΩ

Input

VOLTAGE WAVEFORMS

VOL

VOH

0 V

3 V

Output

Input

10%

50%

10%

50%

tPLH

tPHL

1.5 V

90%

90%

tr

tf

See Note B

1.5 V

NOTES: A. CL includes probe and jig capacitance.

B. The input waveform is supplied by a generator with the following characteristics: ZO = 50 Ω, tw = 1 µs, tr ≤ 10 ns, tf ≤ 10 ns.

Figure 2. Driver Section Switching Test Circuit and Voltage Waveforms

1.5 V

10%

5 V

RL = 400 Ω

CL = 50 pF

(see Note A)

VOLTAGE WAVEFORMS

TEST CIRCUIT

90%

VOL

VOH

0 V

4 V

tPLH

90%

tPHL

2 V

10%

1.5 V

tr

tf

Response

Control

Input

Output

Input

Output

See Note B

2 V

NOTES: A. CL includes probe and jig capacitance.

B. The input waveform is supplied by a generator with the following characteristics: ZO = 50 Ω, tw = 1 µs, tr ≤ 10 ns, tf ≤ 10 ns.

Figure 3. Receiver Section Switching Test Circuit and Voltage Waveforms