SN65LBC180, SN75LBC180

LOW-POWER DIFFERENTIAL LINE DRIVER AND RECEIVER PAIRS

SLLS174B – FEBRUARY 1994 – REVISED JANUARY 2000

8

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

TEST CIRCUIT

VOLTAGE WAVEFORMS

2 k

Ω

S2

5 V

S3

5 k

Ω

50

Ω

S1

1.5 V

– 1.5 V

tPZL

1.5 V

1.5 V

3 V

0 V

VOL

S1 to – 1.5 V

S2 Closed

S3 Open

tPZH

1.5 V

1.5 V

Input

0 V

3 V

Output

0 V

VOH

VOL

0.5 V

1.5 V

0 V

3 V

S1 to – 1.5 V

S2 Closed

S3 Closed

tPLZ

VOH

tPHZ

3 V

0 V

1.5 V

0.5 V

Input

Output

Input

Output

Input

Output

S1 to 1.5 V

S2 Open

S3 Closed

S1 to 1.5 V

S2 Closed

S3 Closed

Generator

(see Note A)

A

B

RE

R

Output

IN916 or Equivalent

(4 places)

Input

CL = 15 pF

(see Note B)

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 Output Enable and Disable Times