DS1864 Maxim Integrated Products, DS1864 Datasheet - Page 9

• Manufacturer Part Number: DS1864
• Description: SFP Laser Controller and Diagnostic IC
• Manufacturer: Maxim Integrated Products

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Figure 8. Timing of LOS Detection
Figure 7. Unsuccessful Recovery from a Transient Safety Fault Condition
Figure 9. Output Enable/Power-Up
Figure 10. Output Enable/Recovery from Safety Fault Shutdown
OCCURRENCE
OCCURRENCE
DAC0, DAC1
DAC0, DAC1
DAC0, DAC1
OF FAULT
OF LOS
TX-D
TX-D
LOS
TX-D
TX-F
NOTE: TX-F IS ALSO DEPENDENT ON INTX-F.
_____________________________________________________________________
t
LOSS_ON
t
t
INIT_DACs
INITSF
t
SFP Laser Controller and
RESET
t
LOSS_OFF
t
FAULT
t
INIT
Timing Diagrams (continued)
Diagnostic IC
9