|
Pin
|
Symbol
|
Name/Description
|
NOTE
|
|
1
|
VEET
|
Transmitter Ground (Common with Receiver Ground)
|
1
|
|
2
|
TFAULT
|
Transmitter Fault.
|
|
|
3
|
TDIS
|
Transmitter Disable. Laser output disabled on high or open.
|
2
|
|
4
|
MOD_DEF(2)
|
Module Definition 2. Data line for Serial ID.
|
3
|
|
5
|
MOD_DEF(1)
|
Module Definition 1. Clock line for Serial ID.
|
3
|
|
6
|
MOD_DEF(0)
|
Module Definition 0. Grounded within the module.
|
3
|
|
7
|
Rate Select
|
No connection required
|
4
|
|
8
|
LOS
|
Loss of Signal indication. Logic 0 indicates normal operation.
|
5
|
|
9
|
VEER
|
Receiver Ground (Common with Transmitter Ground)
|
1
|
|
10
|
VEER
|
Receiver Ground (Common with Transmitter Ground)
|
1
|
|
11
|
VEER
|
Receiver Ground (Common with Transmitter Ground)
|
1
|
|
12
|
RD-
|
Receiver Inverted DATA out. AC Coupled
|
|
|
13
|
RD+
|
Receiver Non-inverted DATA out. AC Coupled
|
|
|
14
|
VEER
|
Receiver Ground (Common with Transmitter Ground)
|
1
|
|
15
|
VCCR
|
Receiver Power Supply
|
|
|
16
|
VCCT
|
Transmitter Power Supply
|
|
|
17
|
VEET
|
Transmitter Ground (Common with Receiver Ground)
|
1
|
|
18
|
TD+
|
Transmitter Non-Inverted DATA in. AC Coupled.
|
|
|
19
|
TD-
|
Transmitter Inverted DATA in. AC Coupled.
|
|
|
20
|
VEET
|
Transmitter Ground (Common with Receiver Ground)
|
1
|
Notes:
1. Circuit ground is internally isolated from chassis ground.
2. Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V.
3. Should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and 3.6V.MOD_DEF (0) pulls line low to indicate module is plugged in.
4. This is an optional input used to control the receiver bandwidth for compatibility with multiple data rates (most likely Fiber Channel 1x and 2x Rates).If implemented, the input will be internally pulled down with > 30kΩ resistor. The input states are:
Low (0 – 0.8V): Reduced Bandwidth
(>0.8, < 2.0V): Undefined
High (2.0 – 3.465V): Full Bandwidth
Open: Reduced Bandwidth
5.LOS is open collector output should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.
4. ABSOLUTE MAXIMUM RATING
|
Parameter
|
Symbol
|
Min.
|
Typ.
|
Max.
|
Unit
|
Note
|
|
Storage Temperature
|
Ts
|
-40
|
|
85
|
ºC
|
|
|
Relative Humidity
|
RH
|
5
|
|
95
|
%
|
|
|
Power Supply Voltage
|
VCC
|
-0.5
|
|
4
|
V
|
|
|
Signal Input Voltage
|
|
-0.3
|
|
Vcc+0.3
|
V
|
|
|
Receiver Damage Threshold
|
|
+5
|
|
|
dBm
|
|
5. RECOMMENDED OPERATING ENVIRONMENT
|
Parameter
|
Symbol
|
Min.
|
Typ.
|
Max.
|
Unit
|
Note
|
|
Case Operating Temperature
|
Tcase
|
0
|
|
70
|
ºC
|
commercial
|
|
-10
|
|
80
|
extended
|
|
-40
|
|
85
|
industrial
|
|
Power Supply Voltage
|
VCC
|
3.13
|
3.3
|
3.47
|
V
|
|
|
Power Supply Current
|
ICC
|
|
|
280
|
mA
|
|
|
Power Supply Noise Rejection
|
|
|
|
100
|
mVp-p
|
100Hz to 1MHz
|
|
Data Rate
|
|
|
1250/1250
|
|
Mbps
|
TX Rate/RX Rate
|
|
Transmission Distance
|
|
|
|
10
|
KM
|
|
|
Coupled Fiber
|
Single mode fiber
|
9/125um SMF
|
6. OPTICAL CHARACTERISTICS
|
Parameter
|
Symbol
|
Min.
|
Typ.
|
Max.
|
Unit
|
Note
|
|
Transmitter
|
|
Average Output Power
|
POUT
|
-9
|
|
-3
|
dBm
|
Note (1)
|
|
Extinction Ratio
|
ER
|
9
|
|
|
dB
|
|
|
Center Wavelength
|
λC
|
1270
|
1310
|
1360
|
nm
|
FP Laser
|
|
Spectrum Bandwidth(RMS)
|
σ
|
|
|
3.5
|
nm
|
|
|
Transmitter OFF Output Power
|
POff
|
|
|
-45
|
dBm
|
|
|
Differential Line Input Impedance
|
RIN
|
90
|
100
|
110
|
Ohm
|
|
|
Output Eye Mask
|
Compliant with IEEE802.3 z (class 1 laser safety)
|
|
|
|
Receiver
|
|
Input Optical Wavelength
|
λIN
|
1270
|
|
1610
|
nm
|
PIN-TIA
|
|
Receiver Sensitivity
|
PIN
|
|
|
-20
|
dBm
|
Note (2)
|
|
Input Saturation Power (Overload)
|
PSAT
|
-3
|
|
|
dBm
|
|
|
Los Of Signal Assert
|
PA
|
|
|
-22
|
dBm
|
|
|
Los Of Signal De-assert
|
PD
|
-35
|
|
|
dBm
|
Note (3)
|
|
LOS Hysteresis
|
PA-PD
|
0.5
|
2
|
6
|
dB
|
|
Note (1): Measure at 2^7-1 NRZ PRBS pattern.
Note (2): Measured with Light source 1310nm, ER=9dB; BER =<10^-12 @PRBS=2^7-1 NRZ.
Note (3): When SD De-Assert, the RX-LOS output is High-level (fixed).
7. DIGITAL DIAGNOSTIC FUNCTIONS
The SFP MSA defines a 256-byte memory map in E2PROM that is accessible over a 2-wire serial interface at the 8 bit address 1010000X (A0h). The digital diagnostic monitoring interface makes use of the 8 bit address 1010001X (A2h), so the originally defined serial ID memory map remains unchanged. The interface is identical to, and is thus fully backward compatible with both the GBIC Specification and the SFP Multi Source Agreement.
The operating and diagnostics information is monitored and reported by a Digital Diagnostics Transceiver Controller (DDTC) inside the transceiver, which is accessed through a 2-wire serial interface. The memories are organized as a series of 8-bit data words that can be addressed individually or sequentially.
Digital diagnostics for the transceivers are internally calibrated by default. The following digital diagnostic characteristics are defined over the Recommended Operating Environment unless otherwise specified
|
Parameter
|
Symbol
|
Min.
|
Max
|
Unit
|
Note
|
|
Temperature monitor absolute error
|
DMI_Temp
|
-3
|
3
|
°C
|
|
|
Supply voltage monitor absolute error
|
DMI_VCC
|
-0.1
|
0.1
|
V
|
|
|
Bias current monitor
|
DMI_Ibias
|
-10%
|
10%
|
mA
|
|
|
Laser power monitor absolute error
|
DMI_TX
|
-3
|
3
|
dBm
|
|
|
RX power monitor absolute error
|
DMI_RX
|
-3
|
3
|
dBm
|
|
8. ELECTRICAL CHARACTERISTICS
|
Parameter
|
Symbol
|
Min.
|
Typ.
|
Max.
|
Unit
|
Note
|
|
Transmitter
|
|
Total Supply Current
|
ICC
|
|
|
A
|
mA
|
Note (1)
|
|
Transmitter Disable Input-High
|
VDISH
|
2
|
|
Vcc+0.3
|
V
|
|
|
Transmitter Disable Input-Low
|
VDISL
|
0
|
|
0.8
|
V
|
|
|
Transmitter Fault Input-High
|
VTxFH
|
2
|
|
Vcc+0.3
|
V
|
|
|
Transmitter Fault Input-Low
|
VTxFL
|
0
|
|
0.8
|
V
|
|
|
Receiver
|
|
Total Supply Current
|
ICC
|
|
|
B
|
mA
|
Note (1)
|
|
LOSS Output Voltage-High
|
VLOSH
|
2
|
|
Vcc+0.3
|
V
|
LVTTL
|
|
LOSS Output Voltage-Low
|
VLOSL
|
0
|
|
0.8
|
V
|
Note (1): A (TX) + B (RX) = 280mA (Not include termination circuit)
