DS1876T+ Maxim Integrated Products, DS1876T+ Datasheet - Page 66
DS1876T+
Manufacturer Part Number
DS1876T+
Description
IC CTRLR SFP DUAL LDD 28TQFN
Manufacturer
Maxim Integrated Products
Type
SFP Laser Controllerr
Datasheet
1.DS1876TTR.pdf
(69 pages)
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
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SFP Controller with Dual LDD Interface
Table 06h, Register C8h–DFh: EMPTY
Table 06h, Register E0h–E7h: HBATH LUT
66
E0h–E7h
_____________________________________________________________________________________
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
The high bias alarm threshold (HBATH) LUT is used to temperature compensate the bias QT threshold (HBIAS).
The table below shows the range of temperature for each byte’s location. The table shows a rising temperature;
for a falling temperature there is 1NC of hysteresis.
These registers do not exist.
BIT 7
E0h
E1h
E2h
E3h
E4h
E5h
E6h
E7h
2
7
Less than or equal to -8NC
Greater than -8NC up to +8NC
Greater than +8NC up to +24NC
Greater than +24NC up to +40NC
Greater than +40NC up to +56NC
Greater than +56NC up to +72NC
Greater than +72NC up to +88NC
Greater than +88NC
2
6
00h
N/A
N/A
N/A
None
00h
PW2 or (PW1 and RWTBL46)
PW2 or (PW1 and RWTBL46)
Different A2h and B2h memory locations
Nonvolatile (EE)
2
5
2
4
2
3
2
2
2
1
BIT 0
2
0
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