3.3V Single LVDS Driver/Receiver

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7

PULSE

GENERATOR

DIN

50

Ω

DO-

DO+

20%

20%

80%

80%

0V (DIFFERENTIAL)

DO+ - DO-

1.5V

1.5V

3V

0V

DIN

0V

DO-

DO+

Figure 2. Driver Differential Propagation Delay and Transition

Time Test Circuit and Waveforms

PULSE

GENERATOR

DE

DIN

50

Ω

DO-

DO+

1.2V

50%

50%

50%

50%

1.5V

1.5V

0V

1.2V

1.2V

3V

DE

DO- (DIN = L)

DO+ (DIN = H)

DO- (DIN = H)

DO+ (DIN = L)

2.0V

0.8V

Figure 3. Driver High-Impedance Delay Test Circuit and

Waveforms

PULSE

GENERATOR

ROUT

RI+

RI-

50

Ω

50

Ω

20%

20%

1.5V

1.5V

80%

80%

ROUT

0V DIFF

1.3V

1.1V

RI-

RI+

Figure 4. Receiver Propagation Delay and Transition Time Test

Circuit and Waveforms

PULSE

GENERATOR

50

Ω

RI+

RE

RI-

ROUT

500

Ω

50%

50%

1.5V

1.5V

0V

GND

3V

RE

ROUT

ROUT

GND WHEN ROUT IS HIGH.

Figure 5. Receiver High-Impedance Delay Test Circuit and

Waveforms