DS1877T+ Maxim Integrated Products, DS1877T+ Datasheet - Page 30

• 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 0Ah–0Bh: V
Lower Memory, Register 0Eh–0Fh: V
SFP Controller for Dual Rx Interface
Lower Memory, Register 08h–09h: V
Lower Memory, Register 0Ch–0Dh: V
Lower Memory, Register 10h–1Fh: EE
30
10h–1Fh
0Ah, 0Eh
0Bh, 0Fh
08h, 0Ch
09h, 0Dh
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
PW2 level access-controlled EEPROM.
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
EE
BIT 7
2
BIT 7
2
2
15
2
7
15
7
EE
2
2
2
14
2
6
14
6
CC
CC
CC
CC
00h
All
PW2 or (PW1 and WLOWER)
Common A2h and B2h memory locations
Nonvolatile (EE)
0000h
All
PW2 or (PW1 and WLOWER)
Common A2h and B2h memory locations
Nonvolatile (SEE)
FFFFh
All
PW2 or (PW1 and WLOWER)
Common A2h and B2h memory locations
Nonvolatile (SEE)
ALARM HI
WARN LO
ALARM LO
WARN HI
EE
2
2
2
13
2
5
13
5
EE
2
2
2
12
2
4
12
4
EE
2
2
2
11
2
3
11
3
EE
2
2
2
2
10
2
10
2
EE
2
2
2
2
9
1
9
1
BIT 0
BIT 0
BIT 0
EE
2
2
2
2
8
0
8
0