DS1876T+ Maxim Integrated Products, DS1876T+ Datasheet - Page 30

• Manufacturer Part Number: DS1876T+
• Description: IC CTRLR SFP DUAL LDD 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: SFP Laser Controllerr

Specifications of DS1876T+

• Input Type: Logic
• Output Type: Logic
• Interface: I²C
• Current - Supply: 10mA
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SFP Controller with Dual LDD Interface
Lower Memory, Register 10h–11h: BMON ALARM HI
Lower Memory, Register 14h–15h: BMON WARN HI
Lower Memory, Register 18h–19h: PMON ALARM HI
Lower Memory, Register 1Ch–1Dh: PMON WARN HI
Lower Memory, Register 12h–13h: BMON ALARM LO
Lower Memory, Register 16h–17h: BMON WARN LO
Lower Memory, Register 1Ah–1Bh: PMON ALARM LO
Lower Memory, Register 1Eh–1Fh: PMON WARN LO
30
12h, 16h,
13h, 17h,
1Ah, 1Eh
1Bh, 1Fh
_____________________________________________________________________________________
10h, 14h,
11h, 15h,
18h, 1Ch
19h, 1Dh
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Voltage measurement updates below this unsigned threshold set its corresponding alarm or warning bit. Voltage
measurements equal to or above this threshold clear its alarm or warning bit.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Voltage measurement updates above this unsigned threshold set its corresponding alarm or warning bit.
Voltage measurements equal to or below this threshold clear its alarm or warning bit.
BIT 7
2
BIT 7
2
2
15
2
7
15
7
2
2
2
14
2
6
14
6
0000h
All
PW2 or (PW1 and WLOWER)
Different A2h and B2h memory locations
Nonvolatile (SEE)
FFFFh
All
PW2 or (PW1 and WLOWER)
Different A2h and B2h memory locations
Nonvolatile (SEE)
2
2
2
13
2
5
13
5
2
2
2
12
2
4
12
4
2
2
2
11
2
3
11
3
2
2
2
2
10
2
10
2
2
2
2
2
9
1
9
1
BIT 0
BIT 0
2
2
2
2
8
0
8
0