DS1864 Maxim Integrated Products, DS1864 Datasheet - Page 54
DS1864
Manufacturer Part Number
DS1864
Description
SFP Laser Controller and Diagnostic IC
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1864.pdf
(72 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DS1864-RES
Manufacturer:
DALLAS
Quantity:
20 000
Part Number:
DS1864S
Manufacturer:
DALLAS
Quantity:
20 000
www.DataSheet4U.com
SFP Laser Controller and
Diagnostic IC
54
Table 04h (Table 01h in DS1859 Configuration), B0h to B7h: Thresholds For High-Bias Alarm Flags (HBAL)
FACTORY DEFAULT:
MEMORY TYPE:
These represent the high thresholds for comparing bias levels. Each alarm byte contains the value for the threshold corresponding
to the temperature range indicated below. Only the upper 8 bits of the 16 bit measurement are compared here.
____________________________________________________________________
B0h
B1h
B2h
B3h
B4h
B5h
B6h
B7h
B0h
B1h
B2h
B3h
B4h
B5h
B6h
B7h
bit7
2
2
2
2
2
2
2
2
7
7
7
7
7
7
7
7
Alarm byte location when temperature is less than -8°C.
Alarm byte location when temperature in the range of -8°C to +8°C.
Alarm byte location when temperature in the range of +8°C to +24°C.
Alarm byte location when temperature in the range of +24°C to +40°C.
Alarm byte location when temperature in the range of +40°C to +56°C.
Alarm byte location when temperature in the range of +56°C to +72°C.
Alarm byte location when temperature in the range of +72°C to +88°C.
Alarm byte location when temperature is greater than +88°C.
FFh
Shadowed Memory (SEE)
2
2
2
2
2
2
2
2
6
6
6
6
6
6
6
6
2
2
2
2
2
2
2
2
5
5
5
5
5
5
5
5
2
2
2
2
2
2
2
2
4
4
4
4
4
4
4
4
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
bit0
2
2
2
2
2
2
2
2
0
0
0
0
0
0
0
0