DS1874T+ Maxim Integrated Products, DS1874T+ Datasheet - Page 53

• 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 FCh: WARN EN
F8h
SFP+ Controller with Digital LDD Interface
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.
TEMP HI
BIT 7
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
______________________________________________________________________________________
TEMP HI:
0 = Disables interrupt from TEMP HI warning.
1 = Enables interrupt from TEMP HI warning.
TEMP LO:
0 = Disables interrupt from TEMP LO warning.
1 = Enables interrupt from TEMP LO warning.
VCC HI:
0 = Disables interrupt from VCC HI warning.
1 = Enables interrupt from VCC HI warning.
VCC LO:
0 = Disables interrupt from VCC LO warning.
1 = Enables interrupt from VCC LO warning.
MON1 HI:
0 = Disables interrupt from MON1 HI warning.
1 = Enables interrupt from MON1 HI warning.
MON1 LO:
0 = Disables interrupt from MON1 LO warning.
1 = Enables interrupt from MON1 LO warning.
MON2 HI:
0 = Disables interrupt from MON2 HI warning.
1 = Enables interrupt from MON2 HI warning.
MON2 LO:
0 = Disables interrupt from MON2 LO warning.
1 = Enables interrupt from MON2 LO warning.
TEMP LO
3
3
00h
PW2 or (PW1 and RWTBL1C) or (PW1 and RTBL1C)
PW2 or (PW1 and RWTBL1C)
Nonvolatile (SEE)
in Lower Memory, Register 74h. Enables warnings to create TXFINT (Lower Memory,
VCC HI
VCC LO
MON1 HI
MON1 LO
MON2 HI
MON2 LO
BIT 0
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