SN65175, SN75175

QUADRUPLE DIFFERENTIAL LINE RECEIVERS

SLLS145B – OCTOBER 1990 – REVISED MAY 1995

6

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

1.5 V

VOLTAGE WAVEFORMS

TEST CIRCUIT

tPLZ

tPZL

1.4 V

tPHZ

SW2 Closed

tPHZ

Output

Input

1.5 V

0 V

VOH

3 V

SW1 to 1.5 V

SW3 Closed

SW3 Closed

SW2 Open

SW1 to 1.5 V

tPZH

3 V

tPZH

0 V

VOH

0 V

1.5 V

1.5 V

Input

Output

Output

Input

3 V

3 V

SW3 Closed

3 V

1.4 V

0 V

VOL

tPLZ

SW1 to –1.5 V

SW2 Closed

1.5 V

4.5 V

SW3 Open

SW2 Closed

SW1 to –1.5 V

tPZL

1.5 V

5 V

SW2

See Note C

SW3

5 k

Ω

51

Ω

SW1

–1.5 V

1.5 V

VOL

0 V

Output

Input

CL

(see Note B)

Output

2 k

Ω

0.5 V

0.5 V

Generator

(see Note A)

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

≤ 1 MHz, duty cycle = 50%, tf ≤ 6 ns,

tr ≤ 6 ns, ZO = 50 Ω.

B. CL includes probe and stray capacitance.

C. All diodes are 1N916 or equivalent.

Figure 3. Test Circuit and Voltage Waveforms