T923FFAA 데이터 시트보기 (PDF) - Agere -> LSI Corporation
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T923FFAA Datasheet PDF : 8 Pages
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Advance Data Sheet
March 2001
T92-Type 10 Gbits/s 1300 nm
Uncooled DFB Laser Transmitter
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-
lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess
of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
Parameter
Supply Voltage
Operating Case Temperature Range
Storage Case Temperature Range
Lead Soldering Temperature/Time
Relative Humidity (noncondensing)
Minimum Fiber-Bend Radius
Symbol
VCC
TC
Tstg
—
RH
—
Min
—
0
–40
—
—
1.00 (25.4)
Max
5.5
70
85
250/10
85
—
Unit
V
°C
°C
°C/s
%
in. (mm)
Characteristics
(Minimum and maximum values specified over operating case temperature range at 50% duty cycle data signal.
Typical values are measured at room temperature unless otherwise noted.)
Table 2. Electrical Characteristics
Parameter
dc Power Supply Voltage1
dc Power Supply Current Drain
Input Data/Clock Voltage: 2, 3 Single-ended Input
Clocked/Nonclocked Select Voltage:4
Clocked Operation
Nonclocked Operation
Clock/Data Input Impedance
Clock/Data RF Return Loss (50 kHz to 10 Ghz)
Clock/Data Input Skew5
Transmitter Disable Voltage6
Transmitter Enable Voltage
Degrade Mode Alarm Voltage–Normal
Degrade Mode Alarm Voltage–Alarmed7
Laser Bias Voltage8
Back-facet Monitor Voltage (50% duty cycle)9
Symbol
VEE
I
VIN
VSEL_CLK
VSEL CLK
RIN
S11
dcSKEW
VDIS
VEN
VNORMAL
VALARMED
VB
VBF
Min
–5.5/+4.75
—
500
VEE
VCC – 2.0
—
—
–25
VCC – 2.0
VEE
VCC – 2.0
VEE
0
460
Typ
–5.2/+5.0
250
700
—
—
50
—
0
—
—
—
—
500
500
Max
–4.9/+5.25
400
1000
VEE + 0.8
VCC
—
–10
25
VCC
VEE + 0.8
VCC
VEE + 0.8
2400
540
Unit
V
mA
mVp-p
V
V
Ω
dB
ps
V
V
V
V
mV
mV
1. With VEE connected to –5.2 V, VCC must be at 0 V; With VCC connected to +5.0V, VEE must be at 0 V.
2. Inputs are ac-coupled into an equivalent input impedance of 50 Ω.
3. Single-ended or differential operation may be used. If the inputs are driven single-ended, the unused inputs (Clock and Data) must be 50 Ω ter-
minated to ground.
4. Clocked operation is normally enabled and only requires an external voltage to disable. For nonclocked operation, pin 5 must be tied to VCC.
5. With clocked operation, the optical output changes state with the rising edge of the input clock signal. The skew is measured with the rising
edge of the clock centered in the middle of the data eye.
6. The transmitter is normally enabled and only requires an external voltage to disable.
7. This alarm will go active when the bias current to the laser has increased 50% or more from its beginning-of-life (BOL) value.
8. This voltage is measured from Pin 3 to VEE and is converted to laser bias current with the ratio of 20 mV/mA.
9. This voltage is measured from Pin 2 to VEE.
Agere Systems Inc.
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