DS1874T+ Maxim Integrated Products, DS1874T+ Datasheet - Page 38

• 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 30h–5Fh: EE
Lower Memory, Register 60h–61h: TEMP VALUE
38
30h to 5Fh
______________________________________________________________________________________
60h
61h
Signed two’s complement direct-to-temperature measurement.
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
PW2 level access-controlled EEPROM.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
BIT 7
BIT 7
2
S
EE
-1
2
2
EE
-2
6
0000h
All
N/A
Volatile
00h
All
PW2 or (PW1 and WLOWER)
Nonvolatile (EE)
2
EE
2
-3
5
EE
2
2
-4
4
EE
2
2
-5
3
EE
2
2
-6
2
EE
2
2
-7
1
BIT 0
BIT 0
EE
2
2
-8
0