SN75ALS174A

QUADRUPLE DIFFERENTIAL LINE DRIVER

SLLS122E – JULY 1991 – REVISED APRIL 1998

5

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

VOC

R

L

2

R

L

2

VOD2

Figure 1. Differential and Common-Mode Output Voltages

VOLTAGE WAVEFORMS

TEST CIRCUIT

Output Y

Output Z

Input

0 V

3 V

td(ODL)

td(ODH)

3 V

Generator

(see Note A)

CL = 50 pF

(see Note B)

CL

RL =

54

Ω

50

Ω

Y

Z

1.5 V

1.5 V

NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, ZO = 50 Ω, duty cycle = 50%, tf ≤ 5 ns,

tr ≤ 5 ns.

B. CL includes probe and stray capacitance.

Figure 2. Differential-Output Test Circuit and Delay and Transition Times Voltage Waveforms

tPZH

0.5 V

RL = 110 Ω

0 V or 3 V

Output

VOH

Output

VOLTAGE WAVEFORMS

TEST CIRCUIT

50

Ω

Input

0 V

3 V

Generator

(see Note A)

tPHZ

S1

Voff ≈ 0 V

CL = 50 pF

(see Note B)

1.5 V

1.5 V

2.3 V

NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, ZO = 50 Ω, duty cycle = 50%, tf ≤ 5 ns,

tr ≤ 5 ns.

B. CL includes probe and stray capacitance.