DS1875T+ Maxim Integrated Products, DS1875T+ Datasheet - Page 42

• Manufacturer Part Number: DS1875T+
• Description: IC SFP CTRLR/TRIPLEXER 38-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of DS1875T+

• Applications: Fiber Optics
• Interface: I²C
• Voltage - Supply: 2.85 V ~ 3.9 V
• Package / Case: *
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PON Triplexer and SFP Controller
Lower Memory, Register 00h to 01h: TEMP ALARM HI
Lower Memory, Register 04h to 05h: TEMP WARN HI
Lower Memory, Register 02h to 03h: TEMP ALARM LO
Lower Memory, Register 06h to 07h: TEMP WARN LO
42
00h, 04h
01h, 05h
02h, 06h
03h, 07h
______________________________________________________________________________________
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
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.
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
2
S
-1
S
-1
2
2
2
2
-2
6
-2
6
7FFFh
All
PW2
Nonvolatile (SEE)
8000h
All
PW2
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
-5
3
3
2
2
2
2
-6
-6
2
2
2
2
2
2
-7
-7
1
1
BIT 0
BIT 0
2
2
2
2
-8
-8
0
0