AC Characteristics

range 0 °Cto85 °C, specifications from -40 °Cto+95 °C are guaranteed by design.

guaranteed by design.

Figure 12.LDD Output Definition.

Symbol:

Characteristic:

Conditions:

MIN.:

TYP.:

MAX.:

UNIT:

Data Output Frequency

2500

Mbit/s

IM Output Pattern Jitter

Note 1, 2

0.06

IM Output Rise Time (20 - 80 %)

Note 1

100

ps

IM Output Fall Time (80 - 20 %)

Note 1

100

ps

Duty Adjustable Range

0

+20

%

Data Set-up Time

60

ps

Data Hold Time

60

ps

Target Specifications for Optical Output

Symbol:

Characteristic:

Conditions:

MIN.:

TYP.:

MAX.:

UNIT:

IM Output Pattern Jitter

Note 3, 2

0.06

IM Output Rise Time (20 - 80 %)

Note 3

100

ps

IM Output Fall Time (80 - 20 %)

Note 3

100

ps

h1/H

Ringing, See figure

Note 3

-

%

h2/H

Ringing, See figure

Note 3

12

%

h3/H

Ringing, See figure

Note 3

7

%

h4/H

Ringing, See figure

Note 3

7

%

h5/H

Ringing, See figure

Note 3

15

%

h6/H

Ringing, See figure

Note 3

-

%

hx/H

Crosspoint, See figure

Note 3

45

55

%

nected to VCC.

Note 2: Added jitter. Measured as a peak-peak jitter value on a sampling oscilloscope in 60 s period. Measured with the data re-

timing enabled, and using the retiming clock signal as trigger for the oscilloscope.

optical output of LD module. These specs are target specs.

Data Sheet Rev.: 11

GD16521

Page 11 of 13