DS1876T+ Maxim Integrated Products, DS1876T+ Datasheet - Page 28

• 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 00h–01h: TEMP ALARM HI
Lower Memory, Register 04h–05h: TEMP WARN HI
Lower Memory, Register 02h–03h: TEMP ALARM LO
Lower Memory, Register 06h–07h: TEMP WARN LO
28
00h, 04h
01h, 05h
_____________________________________________________________________________________
02h, 06h
03h, 07h
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Temperature measurement updates above this two’s complement threshold set its corresponding alarm or
warning bit. Temperature measurement updates equal to or below this threshold clear its alarm or warning bit.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Temperature measurement updates below this two’s complement threshold set its corresponding alarm or
warning bit. Temperature measurement updates equal to or above this threshold clear its alarm or warning bit.
BIT 7
BIT 7
2
S
2
-1
S
-1
2
2
2
2
-2
6
-2
6
7FFFh
All
PW2 or (PW1 and WLOWER)
Common A2h and B2h memory location
Nonvolatile (SEE)
8000h
All
PW2 or (PW1 and WLOWER)
Common A2h and B2h memory location
Nonvolatile (SEE)
2
2
2
2
-3
5
-3
5
2
2
2
2
-4
4
-4
4
Lower Memory Register Descriptions
2
2
2
2
-5
3
-5
3
2
2
2
2
-6
2
-6
2
2
2
2
2
-7
1
-7
1
BIT 0
BIT 0
2
2
2
2
-8
-8
0
0