DS1864T+ Maxim Integrated Products, DS1864T+ Datasheet - Page 26
![IC LASER CTRLR 1CHAN 5.5V 28TQFN](/photos/6/61/66150/28-tqfn_21-0139h_sml.jpg)
DS1864T+
Manufacturer Part Number
DS1864T+
Description
IC LASER CTRLR 1CHAN 5.5V 28TQFN
Manufacturer
Maxim Integrated Products
Type
Laser Diode Controller (Fiber Optic)r
Datasheet
1.DS1864TTR.pdf
(72 pages)
Specifications of DS1864T+
Number Of Channels
1
Voltage - Supply
2.97 V ~ 5.5 V
Current - Supply
3mA
Operating Temperature
-40°C ~ 95°C
Package / Case
28-WFQFN Exposed Pad
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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SFP Laser Controller and
Diagnostic IC
Table 8. Password-Enable Chart
Table 9. Memory Block Assignments
*Table 01h becomes Table 00h in DS1859 configuration.
26
Table 04h becomes Table 01h in DS1859 configuration.
ENABLE BIT
CONFIGURATION)
LOCATIONS
PW2 (C1h, C2h)
MEMORY
(RANGE)
(TABLE 01h IN
BLOCK
ENABLE BIT
TABLE 04h
____________________________________________________________________
DS1859
0
0
1
(00h TO 7Fh)
AUXILIARY
MEMORY
DEVICE
LOWER
A0h
0
PW1 (D1h, D2h),
ENABLE BIT
TABLE 05h
(80h TO FFh)
0
1
X
AUXILIARY
MEMORY
DEVICE
UPPER
A0h
1
PW1 PASSWORD
PW2 PASSWORD
UNPROTECTED
(00h TO 7Ah)
PROTECTED
PROTECTED
MEMORY
DEVICE
LOWER
STATUS
MAIN
A2h
2
⎯
(80h TO F7h)
TABLE 01h*
A2h
3
(F8h TO FFh)
TABLE 01h*
A2h
4
(80h TO C7h)
TABLE 04h
TABLES*
02h, 03h
AND
A2h
5
(F8h TO FFh)
TABLE 05h
A2h
6
(D0h TO D6h)
TABLE 05h
A2h
7
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