DS1877T+ Maxim Integrated Products, DS1877T+ Datasheet - Page 33

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

Specifications of DS1877T+

• 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+000

Lower Memory, Register 60h–61h: TEMP VALUE
Lower Memory, Register 62h–63h: V
Lower Memory, Register 64h–67h: RESERVED
64h–67h
60h
61h
62h
63h
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Signed two’s complement direct-to-temperature measurement.
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Left-justified unsigned voltage measurement.
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
These registers are reserved. The value when read is 00h.
BIT 7
2
S
BIT 7
BIT 7
-1
2
2
15
0
7
SFP Controller for Dual Rx Interface
2
2
-2
2
6
2
14
0
6
CC
0000h
All
N/A
Common A2h and B2h memory locations
Volatile
0000h
All
N/A
Common A2h and B2h memory locations
Volatile
00h
N/A
N/A
N/A
N/A
VALUE
2
2
2
-3
2
5
13
0
5
2
2
2
-4
2
4
12
0
4
2
2
2
-5
2
3
11
0
3
2
2
2
2
-6
2
10
0
2
2
2
2
2
-7
0
1
9
1
BIT 0
BIT 0
BIT 0
2
2
2
2
0
-8
0
8
0
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