DS1873T+ Maxim Integrated Products, DS1873T+ Datasheet - Page 36

• Manufacturer Part Number: DS1873T+
• Description: IC CTLR SFP+ ANLG LDD 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Controllerr

Specifications of DS1873T+

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 90-1873T+000

Lower Memory, Register 0Ah–0Bh: V
Lower Memory, Register 0Eh–0Fh: V
Lower Memory, Register 12h–13h: MON1 ALARM LO
Lower Memory, Register 16h–17h: MON1 WARN LO
Lower Memory, Register 1Ah–1Bh: MON2 ALARM LO
Lower Memory, Register 1Eh–1Fh: MON2 WARN LO
Lower Memory, Register 22h–23h: MON3 ALARM LO
Lower Memory, Register 26h–27h: MON3 WARN LO
Lower Memory, Register 2Ah–2Bh: MON4 ALARM LO
Lower Memory, Register 2Eh–2Fh: MON4 WARN LO
SFP+ Controller with Analog LDD Interface
36
0Ah, 0Eh,
1Ah, 1Eh,
0Bh, 0Fh,
1Bh, 1Fh,
______________________________________________________________________________________
12h, 16h,
22h, 26h,
13h, 17h,
23h, 27h,
2Ah, 2Eh
2Bh, 2Fh
Voltage measurement updates below this unsigned threshold set corresponding alarm or warning bits. Voltage
measurements equal to or above this threshold clear alarm or warning bits.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
BIT 7
2
2
15
7
2
2
14
6
CC
CC
0000h
All
PW2 or (PW1 and WLOWER)
Nonvolatile (SEE)
WARN LO
ALARM LO
2
2
13
5
2
2
12
4
2
2
11
3
2
2
10
2
2
2
9
1
BIT 0
2
2
8
0