DS1874T+ Maxim Integrated Products, DS1874T+ Datasheet - Page 60

• Manufacturer Part Number: DS1874T+
• Description: IC CTLR SFP+ ANLG LDD 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Controllerr

Specifications of DS1874T+

• Number Of Channels: 1
• Voltage - Supply: 2.85 V ~ 3.9 V
• Current - Supply: 2.5mA
• Operating Temperature: -40°C ~ 95°C
• Package / Case: 28-WFQFN Exposed Pad
• Mounting Type: Surface Mount
• Number Of Outputs: 5
• Duty Cycle (max): 50 %
• Output Voltage: 0 V to 3.9 V
• Mounting Style: SMD/SMT
• Switching Frequency: 0 KHz to 400 KHz
• Operating Supply Voltage: 2.85 V to 3.9 V
• Supply Current: 2.5 mA to 10 mA
• Maximum Operating Temperature: + 95 C
• Fall Time: 300 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 300 ns
• Synchronous Pin: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 90-1874T+000

Table 02h, Register 8Ah: CNFGB
SFP+ Controller with Digital LDD Interface
60
______________________________________________________________________________________
8Ah
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
BITS 5:3
BIT 7
BIT 7
BIT 6
BIT 2
BIT 1
BIT 0
IN1C
IN1C: IN1 Software Control Bit (see Figure 13).
0 = IN1 pin’s logic controls OUT1 pin.
1 = OUT1 is active (bit 6 defines the polarity).
INVOUT1: Inverts the active state for OUT1 (see Figure 13).
0 = Noninverted.
1 = Inverted.
RESERVED
ALATCH: ADC Alarm’s Comparison Latch. Lower Memory, Registers 70h–71h.
0 = ADC alarm flags reflect the status of the last comparison.
1 = ADC alarm flags remain set.
QTLATCH: Quick Trip’s Comparison Latch. Lower Memory, Registers 72h–73h.
0 = QT alarm flags reflect the status of the last comparison.
1 = QT alarm flags remain set.
WLATCH: ADC Warning’s Comparison Latch. Lower Memory, Registers 74h–75h.
0 = ADC warning flags reflect the status of the last comparison.
1 = ADC warning flags remain set.
INVOUT1
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
RESERVED
RESERVED
RESERVED
ALATCH
QTLATCH
WLATCH
BIT 0