Datasheet

11Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
Block Diagram
ANALOG MUX
MAIN MEMORY AT A2h/B2h
EEPROM/SRAM
A/D CONFIGURATION/RESULTS,
SYSTEM STATUS/CONTROL BITS,
ALARMS/WARNINGS,
LOOKUP TABLES,
USER MEMORY
I
2
C
INTERFACE
POWER-ON
ANALOG
INTERRUPT
EEPROM
256 BYTES
AT A0h
SDA
SCL
V
CC
V
CC
V
CC
LOGIC
CONTROL
10-BIT
DELTA-SIGMA DAC
10-BIT
DELTA-SIGMA DAC
13-BIT
ADC
8-BIT
QTs
TEMPERATURE
SENSOR
DAC1
DAC2
REFIN
FAULT
RSELOUT
RSEL
INX
LOS1
LOS2
OUTX
LOSOUT
GND
DS1877
RSSI1P
RSSI1N
RSSI2P
RSSI2N