DS1874T+ Maxim Integrated Products, DS1874T+ Datasheet - Page 46

• 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

SFP+ Controller with Digital LDD Interface
Lower Memory, Register 75h: WARN
Lower Memory, Register 76h–7Ah: RESERVED MEMORY
46
75h
______________________________________________________________________________________
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
These registers are reserved. The value when read is 00h.
MON3 HI
BITS 3:0
BIT 7
BIT 7
BIT 6
BIT 5
BIT 4
MON3 HI: High-warning status for MON3 measurement.
0 = (Default) Last measurement was equal to or below threshold setting.
1 = Last measurement was above threshold setting.
MON3 LO: Low-warning status for MON3 measurement.
0 = (Default) Last measurement was equal to or above threshold setting.
1 = Last measurement was below threshold setting.
MON4 HI: High-warning status for MON4 measurement.
0 = (Default) Last measurement was equal to or below threshold setting.
1 = Last measurement was above threshold setting.
MON4 LO: Low-warning status for MON4 measurement.
0 = (Default) Last measurement was equal to or above threshold setting.
1 = Last measurement was below threshold setting.
RESERVED
MON3 LO
00h
All
N/A
00h
All
N/A
Volatile
MON4 HI
2
MON4 LO
RESERVED
RESERVED
RESERVED
RESERVED
BIT 0