SN751177, SN751178

DUAL DIFFERENTIAL DRIVERS AND RECEIVERS

SLLS059D – FEBRUARY 1990 – REVISED MAY 1999

9

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

Y

Output

VOL

VOH

VOL

VOH

tPLH

tPHL

tPHL

tPLH

Output

RL = 27 Ω

VOLTAGE WAVEFORMS

TEST CIRCUIT

50

Ω

Input

0 V

3 V

Generator

(see Note B)

CL = 15 pF

(see Note A)

Z

Output

NOTES: A. CL includes probe and jig capacitance.

B. The pulse generator has the following characteristics: PRR

≤ 1 MHz, 50% duty cycle, ZO = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns.

1.5 V

1.5 V

2.3 V

2.3 V

2.3 V

2.3 V

3 V

2.3 V

S1

Figure 4. Driver Propagation-Time Test Circuit and Voltage Waveforms

tPHZ

Voff ≈ 0 V

Output

VOH

VOLTAGE WAVEFORMS

TEST CIRCUIT

Input

0 V

3 V

tPZH

NOTES: A. CL includes probe and jig capacitance.

B. The pulse generator has the following characteristics: PRR

≤ 1 MHz, 50% duty cycle, ZO = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns.

RL = 110 Ω

50

Ω

Generator

(see Note B)

CL = 15 pF

(see Note A)

0 V or 3 V

Output

1.5 V

1.5 V

0.5 V

2.3 V

S1

Figure 5. Driver Enable- and Disable-Time Test Circuit and Voltage Waveforms

VOL

5 V

tPLZ

tPZL

Output

VOLTAGE WAVEFORMS

TEST CIRCUIT

Input

0 V

3 V

NOTES: A. CL includes probe and jig capacitance.

B. The pulse generator has the following characteristics: PRR

≤ 1 MHz, 50% duty cycle, ZO = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns.

RL = 110 Ω

50

Ω

Generator

(see Note B)

CL = 15 pF

(see Note A)

0 V or 3 V

S1

Output

5 V

0.5 V

1.5 V

2.3 V

1.5 V

Figure 6. Driver Enable- and Disable-Time Test Circuit and Voltage Waveforms