3

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AC Electrical Characteristics

Over supply voltage and operating temperature ranges, unless otherwise specified

tion.

direction (either Low-to-HIGH or HIGH-to-LOW) when both devices operate with the same supply voltage, same temperature, and have identical test circuits.

FIGURE 1. Differential Receiver Voltage Definitions and

Propagation and Transition Time Test Circuit

FIGURE 2. Differential Driver DC Test Circuit

Note A: All LVDS input pulses have frequency

= 10 MHz, t

FIGURE 3. Differential Driver Propagation Delay

and Transition Time Test Circuit

Symbol

Parameter

Test Conditions

Min

Typ

Max

Units

(Note 3)

Differential Output Propagation Delay

0.75

1.1

1.75

ns

LOW-to-HIGH

Differential Output Propagation Delay

0.75

1.1

1.75

ns

HIGH-to-LOW

0.29

0.4

0.58

ns

Differential Output Fall Time (80% to 20%)

0.29

0.4

0.58

ns

Duty Cycle

= 50%,

0.02

0.2

ns

Channel-to-Channel Skew

See Figure 3 and Figure 4

0.02

0.15

ns

(Note 4)

0.02

Part-to-Part Skew (Note 5)

0.5

ns

Maximum Frequency (Note 6)(Note 7)

400

800

MHz

Differential Output Enable Time

2.3

5

ns

from Z to HIGH

Differential Output Enable Time

2.5

5

ns

from Z to LOW

Differential Output Disable Time

See Figure 5 and Figure 6

1.6

5

ns

from HIGH to Z

Differential Output Disable Time

1.9

5

ns

from LOW to Z

LVDS Data Jitter,

85

135

ps

Deterministic

LVDS Clock Jitter,

2.1

3.5

ps

Random (RMS)