DS1864T+ Maxim Integrated Products, DS1864T+ Datasheet - Page 38

• Manufacturer Part Number: DS1864T+
• Description: IC LASER CTRLR 1CHAN 5.5V 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Controller (Fiber Optic)r

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

SFP Laser Controller and
Diagnostic IC
38
Lower Memory Register 74h: Warning Flags
POWER-ON VALUE:
MEMORY TYPE:
____________________________________________________________________
74h
TMPhi
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
bit7
TMPwrnhi: High Warning Status for Temperature measurement.
0 = Temperature measurement is below set limit.
1 = Temperature measurement is above set limit.
TMPwrnlo: Low Warning Status for Temperature measurement.
0 = Temperature measurement is above set limit.
1 = Temperature measurement is below set limit.
V
0 = V
1 = V
V
0 = V
1 = V
MON1wrnhi: High Warning Status for MON1 measurement.
0 = MON1 measurement is below set limit.
1 = MON1 measurement is above set limit.
MON1wrnlo: Low Warning Status for MON1 measurement.
0 = MON1 measurement is above set limit.
1 = MON1 measurement is below set limit.
MON2wrnhi: High Warning Status for MON2 measurement.
0 = MON2 measurement is below set limit.
1 = MON2 measurement is above set limit.
MON2wrnlo: Low Warning Status for MON2 measurement.
0 = MON2 measurement is above set limit.
1 = MON2 measurement is below set limit.
CC
CC
TMPlo
wrnhi: High Warning Status for V
wrnlo: Low Warning Status for V
Determined after each channel’s first analog-to-digital conversion.
Volatile (SRAM)
CC
CC
CC
CC
measurement is below set limit.
measurement is above set limit.
measurement is above set limit.
measurement is below set limit.
V
CC
hi
V
CC
CC
CC
lo
measurement.
measurement.
MON1hi
MON1lo
MON2hi
MON2lo
bit0