DS1874T+ Maxim Integrated Products, DS1874T+ Datasheet - Page 50

• 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
Table 01h, Register F9h: ALARM EN
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F9h
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
Layout is identical to ALARM
Register 71h) logic. The MASK bit (Table 02h, Register 89h) determines whether this memory exists in Table 01h or
05h.
MON3 HI
BIT 3:0
BIT 7
BIT 7
BIT 6
BIT 5
BIT 4
MON3 HI:
0 = Disables interrupt from MON3 HI alarm.
1 = Enables interrupt from MON3 HI alarm.
MON3 LO:
0 = Disables interrupt from MON3 LO alarm.
1 = Enables interrupt from MON3 LO alarm.
MON4 HI:
0 = Disables interrupt from MON4 HI alarm.
1 = Enables interrupt from MON4 HI alarm.
MON4 LO:
0 = Disables interrupt from MON4 LO alarm.
1 = Enables interrupt from MON4 LO alarm.
RESERVED
MON3 LO
00h
PW2 or (PW1 and RWTBL1C) or (PW1 and RTBL1C)
PW2 or (PW1 and RWTBL1C)
Nonvolatile (SEE)
2
2
MON4 HI
in Lower Memory, Register 71h. Enables alarms to create TXFINT (Lower Memory,
MON4 LO
RESERVED
RESERVED
RESERVED
RESERVED
BIT 0