SN65LBC172, SN75LBC172

QUADRUPLE LOW POWER DIFFERENTIAL LINE DRIVER

SLLS163E − JULY 1993 − REVISED APRIL 2006

6

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

RL = 110 Ω

VOLTAGE WAVEFORMS

TEST CIRCUIT

Output

Input

tPZH

1.5 V

2.3 V

0.5 V

tPHZ

1.5 V

VOH

Voff ≈ 0 V

0 V

3 V

Output

Generator

(see Note A)

0 V or 3 V

50

Ω

S1

CL = 50 pF

(see Note B)

Input

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

≤ 1 MHz, duty cycle = 50%, tr ≤ 5 ns,

tf ≤ 5 ns, ZO = 50 Ω.

B. CL includes probe and stray capacitance.

VOLTAGE WAVEFORMS

TEST CIRCUIT

Output

RL = 110 Ω

CL = 50 pF

(see Note B)

50

Ω

5 V

5 V

VOL

0.5 V

tPZL

3 V

tPLZ

1.5 V

2.3 V

1.5 V

Output

Input

0 V

3 V

(see Note C)

0 V or 3 V

S1

Input

Generator

(see Note A)

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

≤ 1 MHz, duty cycle = 50%, tr ≤ 5 ns,

tf ≤ 5 ns, ZO = 50 Ω.

B. CL includes probe and stray capacitance

C. To test the active-low enable G, ground G and apply an inverted waveform to G..