DS1874T+ Maxim Integrated Products, DS1874T+ Datasheet - Page 41

• Manufacturer Part Number: DS1874T+
• Description: IC CTLR SFP+ ANLG LDD 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Controllerr

Specifications of DS1874T+

• Number Of Channels: 1
• Voltage - Supply: 2.85 V ~ 3.9 V
• Current - Supply: 2.5mA
• Operating Temperature: -40°C ~ 95°C
• Package / Case: 28-WFQFN Exposed Pad
• Mounting Type: Surface Mount
• Number Of Outputs: 5
• Duty Cycle (max): 50 %
• Output Voltage: 0 V to 3.9 V
• Mounting Style: SMD/SMT
• Switching Frequency: 0 KHz to 400 KHz
• Operating Supply Voltage: 2.85 V to 3.9 V
• Supply Current: 2.5 mA to 10 mA
• Maximum Operating Temperature: + 95 C
• Fall Time: 300 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 300 ns
• Synchronous Pin: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 90-1874T+000

Lower Memory, Register 6Fh: UPDATE
6Fh
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
TEMP RDY
BITS 7:2
BIT 7
BIT 1
BIT 0
SFP+ Controller with Digital LDD Interface
______________________________________________________________________________________
Update of completed conversions. At power-on, these bits are cleared and are set as each conversion is
completed. These bits can be cleared so that a completion of a new conversion is verified.
RESERVED
RSSIR: RSSI Range. Reports the range used for conversion update of MON3.
0 = Fine range is the reported value.
1 = Coarse range is the reported value.
VCC RDY
00h
All
All and DS1874 Hardware
Volatile
MON1 RDY
MON2 RDY
MON3 RDY
MON4 RDY
RESERVED
RSSIR
BIT 0
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