DS1874T+ Maxim Integrated Products, DS1874T+ Datasheet - Page 39

• 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 6Ch–6Dh: RESERVED
Lower Memory, Register 62h–63h: V CC VALUE
Lower Memory, Register 64h–65h: MON1 VALUE
Lower Memory, Register 66h–67h: MON2 VALUE
Lower Memory, Register 68h–69h: MON3 VALUE
Lower Memory, Register 6Ah–6Bh: MON4 VALUE
6Ch, 6Dh
62h, 64h,
66h, 68h,
63h, 65h,
67h, 69h,
6Ah
6Bh
SFP+ Controller with Digital LDD Interface
These registers are reserved. The value when read is 00h.
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
Left-justified unsigned voltage measurement.
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
BIT 7
BIT 7
______________________________________________________________________________________
2
0
2
15
7
2
0
2
14
6
00h
All
N/A
0000h
All
N/A
Volatile
2
0
2
13
5
2
2
0
12
4
2
2
0
11
3
2
2
0
10
2
2
2
0
9
1
BIT 0
BIT 0
2
2
0
8
0
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