SN55173, SN65173, SN75173

QUADRUPLE DIFFERENTIAL LINE RECEIVERS

SLLS144E – OCTOBER 1980 – REVISED APRIL 2000

6

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

VOL

VOH

– 1.5 V

1.5 V

Output

Input

1.3 V

1.3 V

tPHL

tPLH

0 V

0 V

2 V

Generator

(see Note B)

Output

CL = 15 pF

(see Note A)

50

Ω

TEST CIRCUIT

VOLTAGE WAVEFORMS

[2.5 V]†

[– 2.5 V]†

† Voltage for the SN55173 only.

NOTES: A. CL includes probe and jig capacitance.

B. The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, duty cycle = 50%, tr ≤ 6 ns, tf ≤ 6 ns,

ZO = 50 Ω.

(see Note D)

≈0 V

S1 Open

S1 Closed

1.3 V

1.3 V

tPHZ

tPZH

0.5 V

(see Note C)

VCC

2 k

Ω

S1

5 k

Ω

1.5 V

CL

(see Note A)

Output

Generator

(see Note B)

2 V

Input

Output

3 V

0 V

VOH

50

Ω

TEST CIRCUIT

VOLTAGE WAVEFORMS

[2.5 V]†

1.3 V

† Voltage for the SN55173 only.

NOTES: A. CL includes probe and jig capacitance.

B. The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, duty cycle = 50%, tr ≤ 6 ns, tf ≤ 6 ns,

ZO = 50 Ω.

C. All diodes are 1N916, or equivalent.

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