PI90LV044, PI90LVB044

LVDS Dual 2x2 Crosspoint/Repeater Switch

7

PS8485D

09/22/04

Parameter Measurement Information

Figure 3. Test Circuit and Voltage Definitions for the Differential Output Signal

Figure 4. Test Circuit and Definitions for the Driver Common-Mode Output Voltage

Y

Z

VOD

Input

(see Note A)

CL = 10 pF

(2 Places)

(see Note C)

RL (see Note B)

100%

80%

20%

0%

VOD

0

tf

tr

VI(B)

VI(A)

1.4 V

1 V

A

Pulse

Generator

B

R

D

DE

Notes: A. All input pulses are supplied by a generator having the following characteristics: tr or tf ≤ 1ns, pulse repetition rate (PRR) - 50 Mpps,

pulse width = 10 ±0.2ns.

Y

Z

Input

(see Note A)

CL = 10 pF

(2 Places)

(see Note C)

VOC

A

VCC

VOC(PP)

(see Note D)

VOC(SS)

VI(B)

VI(A)

Pulse

Generator

DE

B

R

D

1.4 V

1 V

RL (see Note B)

(2 Places)

Notes: A. All input pulses are supplied by a generator having the following characteristics: tr or tf ≤ 1ns, pulse repetition rate (PRR) - 50 Mpps,

pulse width = 10 ±0.2ns.