SN55LBC172

QUADRUPLE LOW-POWER DIFFERENTIAL LINE DRIVER

SGLS084C – MARCH 1995 – REVISED JANUARY 2003

7

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

RL = 110 Ω

VOLTAGE WAVEFORMS

TEST CIRCUIT

Output

Input

1.5 V

2.3 V

0.5 V

tPHZ

1.5 V

VOH

Voff ≈ 0

0

3 V

Output

Generator

(see Note A)

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.

0 V or 3 V

tPZH

VOLTAGE WAVEFORMS

TEST CIRCUIT

Output

RL = 110 Ω

CL = 50 pF

(see Note B)

50

Ω

(see Note A)

Generator

5 V

5 V

VOL

0.5 V

tPZL

3 V

tPLZ

1.5 V

2.3 V

1.5 V

Output

Input

0

3 V

(see Note C)

0 V or 3 V

S1

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.

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