SN75ALS191

DUAL DIFFERENTIAL LINE DRIVER

SLLS032B – DECEMBER 1987 – REVISED MAY 1995

4

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

VOD2

VOC

50

Ω

50

Ω

Input

Figure 1. Differential and Common-Mode Output Voltages

VOLTAGE WAVEFORMS

TEST CIRCUIT

Z Output

RL = 100 Ω

50

Ω

CL

CL

Y Output

90%

0 V

3 V

1.5 V

1.5 V

td(OD)

Differential

Output

td(OD)

Input

90%

10%

10%

tt(OD)

tt(OD)

50%

50%

Y Output

Skew

Z Output

VOH

VOL

VOH

VOL

Generator

(see Note A)

CL = 15 pF

(see Note B)

50%

50%

Skew

NOTES: A. The input pulse generator has the following characteristics: ZO = 50 Ω, PRR ≤ 500 kHz, tw = 100 ns, tr = ≤ 5 ns.

B. CL includes probe and jig capacitance.

Figure 2. Test Circuit and Voltage Waveforms