DS1864T+ Maxim Integrated Products, DS1864T+ Datasheet - Page 60
![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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Table 05h Register Descriptions
SFP Laser Controller and
Diagnostic IC
60
Table 05h, C0h to C1h: Device ID
FACTORY DEFAULT:
MEMORY TYPE:
These bytes identify the device as a DS1864.
Table 04h (Table 01h in DS1859 Configuration), DDh: LOS Threshold (LOS)
FACTORY DEFAULT:
MEMORY TYPE:
This byte sets a low D/A threshold for comparing received power (RSSI) level. Only the upper 8 bits of the 16 bit value are
compared.
Table 05h, C2h: Device Revision
FACTORY DEFAULT:
MEMORY TYPE:
This byte indicates revision of the design.
____________________________________________________________________
DDh
C0h
C1h
C2h
bit7
bit7
bit7
2
2
0
0
7
7
18 64h
00h
Hardwired
##h
Shadowed Memory (SEE)
Hardwired
2
2
0
1
6
6
2
2
0
1
5
5
2
2
1
0
4
4
2
2
1
0
3
3
2
2
0
1
2
2
2
2
0
0
1
1
bit0
bit0
bit0
2
2
0
0
0
0
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