SN65LBC180A, SN75LBC180A

LOW POWER DIFFERENTIAL LINE DRIVER AND RECEIVER PAIRS

SLLS378C − MAY 2000 − REVISED JUNE 2002

8

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

TEST CIRCUIT

Output

RL = 110 Ω

5 V

S1

50

Ω

0 V

VOLTAGE WAVEFORMS

5 V

VOL

0.5 V

tPZL

3 V

0 V

tPLZ

2.3 V

1.5 V

Output

Input

CL = 50 pF

(see Note B)

Generator

(see Note A)

1.5 V

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

≤ 1 MHz, 50% duty cycle, tr ≤ 6 ns, tf ≤ 6 ns,

ZO =50 Ω.

B. CL includes probe and jig capacitance.

Figure 5. Driver Test Circuit and Voltage Waveforms

VO

VID

IO

50

Ω

CL = 10 pF

(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

VOH

VOL

tPHL

tPLH

Input

Generator

(see Note A)

1.5 V

1.3 V

tf

tr

90%

10%

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

≤ 1 MHz, 50% duty cycle, tr ≤ 6 ns, tf ≤ 6 ns,

ZO =50 Ω.

B. CL includes probe and jig capacitance.

Figure 7. Receiver Test Circuit and Voltage Waveforms