EMY1441HL Eudyna Devices Inc, EMY1441HL Datasheet - Page 4

• Manufacturer Part Number: EMY1441HL
• Description: 11.3 Gb/s Direct Modulation Driver Ic For +3.3v Supplied Voltage
• Manufacturer: Eudyna Devices Inc

EMY1441HI Datasheet Rev1.1
5. Block Diagr am
Figure 5-1. Block Diagram
Table 5-1 Truth Table of Data I/O
Note 1) DM-LD connection at cathode with the IC.
Table 5-2 Truth Table of Shutdown Function
Note 2) DoutB is fixed at H (Optical output OFF) and Dout is fixed at L (Optical output ON).
D
D
Din
H
in
in
L
L or Open
B
V
*On chip resistor values may vary.
H
SD
DinB
H
L
V
DUTY
Dout
H
L
Circuit
Bias
Modulation Cur r ent
Disabled *Note 2)
V
Enabled
SD
DoutB
H
L
*Note 1)
2.4kohm*
Optical output fr om
DM-LD at Dout
OFF
- 4 -
ON
V
IB
Bias Current
Circuit
V
IP
Current
Driver
IBmon
IPmon
Bias Cur r ent
Disabled
Enabled
Optical output fr om
DM-LD at DoutB
V
TT
OFF
ON
Eudyna Device Inc.
Dout
DoutB
IBout
V
J anuary,2006
TT
No:ECM-A00-218
IP
IB
V
TT_LD