XFP Laser Control and Digital Diagnostic IC
Timing Diagrams
VCC > VPOA
TX-D
P-DOWN/RST
INTERRUPT
IBIASSET
IMODSET
tINIT
tINIT_ON
tPDR-OFF
tINIT_OFF
tINIT
Figure 1. Power-On Initialization with P-DOWN/RST Asserted and TX-D/SOFT TX-D Not Asserted
VCC > VPOA
TX-D
P-DOWN/RST
INTERRUPT
IBIASSET
IMODSET
tINIT_ON
tINIT
tINIT_OFF
Figure 2. Power-On Initialization with P-DOWN/RST Not Asserted and TX-D/SOFT TX-D Not Asserted (Normal Operation)
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