DS1877T+T&R Maxim Integrated Products, DS1877T+T&R Datasheet - Page 29

• Manufacturer Part Number: DS1877T+T&R
• Description: IC CTLR/MON SFP 1-2CH 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: SFP+ Controllerr

Specifications of DS1877T+T&R

• Input Type: Logic
• Output Type: Logic
• Interface: I²C
• Current - Supply: 2.5mA
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 90-1877T+TRL

Lower Memory, Register 02h–03h: TEMP ALARM LO
Lower Memory, Register 06h–07h: TEMP WARN LO
Lower Memory, Register 00h–01h: TEMP ALARM HI
Lower Memory, Register 04h–05h: TEMP WARN HI
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 warn-
ing 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 warn-
ing 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
SFP Controller for Dual Rx Interface
2
2
2
2
-2
6
-2
6
7FFFh
All
PW2 or (PW1 and WLOWER)
Common A2h and B2h memory locations
Nonvolatile (SEE)
8000h
All
PW2 or (PW1 and WLOWER)
Common A2h and B2h memory locations
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
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