DS1876T+ Maxim Integrated Products, DS1876T+ Datasheet - Page 61

• 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

Table 02h, Register C7h: TBLSELPON
Table 02h, Register C8h–C9h: MOD2 DAC
C8h
C9h
C7h
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
The digital value used for MOD2 DAC. It is the result of LUT4 plus MOD2 OFFSET times 4 recalled from Table
04h (Registers F8h–FFh) at the adjusted memory address found in TINDEX. This register is updated at the end of
the temperature conversion.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Chooses the initial value for the TBL SEL byte (Lower Memory, Register 7Fh) at power-on.
______________________________________________________________________________________
BIT 7
BIT 7
2
2
0
7
7
SFP Controller with Dual LDD Interface
2
2
0
6
6
0000h
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
(PW2 and MOD2EN = 0) or (PW1 and RWTBL2 and MOD2EN = 0)
Common A2h and B2h memory location
Volatile
00h
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
PW2 or (PW1 and RWTBL2)
Common A2h and B2h memory location
Nonvolatile (SEE)
2
2
0
5
5
MOD2 DAC = LUT4 + MOD2 OFFSET x 4
V
MOD2
2
2
0
=
4
4
V
1024
REFIN
×
MOD2 DAC
2
0
2
3
3
2
2
0
2
2
2
2
2
9
1
1
BIT 0
BIT 0
2
2
2
8
0
0
61