DS1874T+ Maxim Integrated Products, DS1874T+ Datasheet - Page 54

• 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

Table 01h, Register FEh–FFh: RESERVED
SFP+ Controller with Digital LDD Interface
Table 01h, Register FDh: WARN EN
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F9h
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
Layout is identical to WARN
Register 71h) logic. The MASK bit (Table 02h, Register 89h) determines whether this memory exists in Table 01h or
05h.
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
These registers are reserved.
MON3 HI
BITS 3:0
BIT 7
BIT 7
BIT 6
BIT 5
BIT 4
MON3 HI:
0 = Disables interrupt from MON3 HI warning.
1 = Enables interrupt from MON3 HI warning.
MON3 LO:
0 = Disables interrupt from MON3 LO warning.
1 = Enables interrupt from MON3 LO warning.
MON4 HI:
0 = Disables interrupt from MON4 HI warning.
1 = Enables interrupt from MON4 HI warning.
MON4 LO:
0 = Disables interrupt from MON4 LO warning.
1 = Enables interrupt from MON4 LO warning.
RESERVED
MON3 LO
2
2
00h
PW2 or (PW1 and RWTBL1C) or (PW1 and RTBL1C)
PW2 or (PW1 and RWTBL1C)
Nonvolatile (SEE)
in Lower Memory, Register 75h. Enables warnings to create TXFINT (Lower Memory,
MON4 HI
00h
PW2 or (PW1 and RWTBL1C) or (PW1 and RTBL1C)
PW2 or (PW1 and RWTBL1C)
Nonvolatile (SEE)
MON4 LO
RESERVED
RESERVED
RESERVED
RESERVED
BIT 0