gd16521 ETC-unknow, gd16521 Datasheet - Page 11

• Manufacturer Part Number: gd16521
• Description: Gbit/s Timing Laser Driver
• Manufacturer: ETC-unknow

AC Characteristics
T
range 0 °C to 85 °C, specifications from -40 °C to +95 °C are guaranteed by design.
T
guaranteed by design.
Figure 12.LDD Output Definition.
Target Specifications for Optical Output
Note 1:
Note 2:
Note 3:
Data Sheet Rev.: 11
Symbol:
f
J
t
t
D
t
t
Symbol:
J
t
t
h1/H
h2/H
h3/H
h4/H
h5/H
h6/H
hx/H
CASE
DIE BACK
MAX
RISE
FALL
S
H
RISE
FALL
pp
pp
range
IM
IM
OUT
IM
IM
IM
IM
= -40 °C to +95 °C, appropriate heat sinking may be required, for package parts. Device is AC-tested in the temperature
= -30 °C to +100 °C, appropriate heat sinking may be required, for dies. Die is not AC-tested. Specifications are
R
nected to VCC.
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.
Load is equivalent circuit of LD module, see
optical output of LD module. These specs are target specs.
LOAD
= 25 W to VCC connected to pin IM. I
Characteristic:
Data Output Frequency
IM Output Pattern Jitter
IM Output Rise Time (20 - 80 %)
IM Output Fall Time (80 - 20 %)
Duty Adjustable Range
Data Set-up Time
Data Hold Time
Characteristic:
IM Output Pattern Jitter
IM Output Rise Time (20 - 80 %)
IM Output Fall Time (80 - 20 %)
Ringing, See figure
Ringing, See figure
Ringing, See figure
Ringing, See figure
Ringing, See figure
Ringing, See figure
Crosspoint, See figure
LD
Figure 10 on page 5
= 50 mA. Rise/Fall times at 20 – 80 % of HI/LO voltage levels. IMB con-
GD16521
Conditions:
Note 1, 2
Note 1
Note 1
Conditions:
Note 3, 2
Note 3
Note 3
Note 3
Note 3
Note 3
Note 3
Note 3
Note 3
Note 3
. Input signal is PN23 (2
MIN.:
MIN.:
2500
60
60
45
0
23
TYP.:
TYP.:
-1 PRBS). Measured on the
MAX.:
MAX.:
0.06
0.06
+20
100
100
100
100
12
15
55
7
7
-
-
Page 11 of 13
UNIT:
Mbit/s
UNIT:
UI
UI
ps
ps
ps
ps
ps
ps
%
%
%
%
%
%
%
%
PP
PP