Product Features:
l Supports 41.2 Gb/s aggregate bitrates;
l Uncooled 4x10Gb/s CWDM transmitter;
l Maximum link length of 10km on Single Mode Fiber (SMF);
l Hot-pluggable QSFP+ footprint;
l Duplex LC receptacles;
l Power dissipation < 3.5W;
l RoHS-6 compliant and lead-free;
l Single 3.3V power supply;
l Support Digital Diagnostic Monitor interface;
l Case operating temperature;
l Commercial: 0°C to +70°C
I. Pin Diagram
QSFP MSA-compliant 38-pinconnector
II. Pin Descriptions
Pin | Symbol | Name/Description | Notes |
1 | GND | Ground | 1 |
2 | Tx2n | Transmitter Inverted Data Input | |
3 | Tx2p | Transmitter Non-Inverted Data Input | |
4 | GND | Ground | 1 |
5 | Tx4n | Transmitter Inverted Data Input | |
6 | Tx4p | Transmitter Non-Inverted Data Input | |
7 | GND | Ground | 1 |
8 | ModSelL | Module Select | |
9 | ResetL | Module Reset | |
10 | VccRx | +3.3 V Power supply receiver | |
11 | SCL | 2-wire serial interface clock | |
12 | SDA | 2-wire serial interface data | |
13 | GND | Ground | 1 |
14 | Rx3p | Receiver Non-Inverted Data Output | |
15 | Rx3n | Receiver Inverted Data Output | |
16 | GND | Ground | 1 |
17 | Rx1p | Receiver Non-Inverted Data Output | |
18 | Rx1n | Receiver Inverted Data Output | |
19 | GND | Ground | 1 |
20 | GND | Ground | 1 |
21 | Rx2n | Receiver Inverted Data Output | |
22 | Rx2p | Receiver Non-Inverted Data Output | |
23 | GND | Ground | 1 |
24 | Rx4n | Receiver Inverted Data Output | |
25 | Rx4p | Receiver Non-Inverted Data Output | |
26 | GND | Ground | 1 |
27 | ModPrsL | ModulePresent | |
28 | IntL | Interrupt | |
29 | VccTx | +3.3 V Power supply transmitter | |
30 | Vcc1 | +3.3 V Power Supply | |
31 | LPMode | Low Power Mode | |
32 | GND | Ground | 1 |
33 | Tx3p | Transmitter Non-Inverted Data Input | |
34 | Tx3n | Transmitter Inverted Data Input | |
35 | GND | Ground | 1 |
36 | Tx1p | Transmitter Non-Inverted Data Input | |
37 | Tx1n | Transmitter Inverted Data Input | |
38 | GND | Ground | 1 |
Notes:
1. Circuit ground is internally isolated from chassis ground.
III. Absolute Maximum Ratings
Parameter | Symbol | Min. | Typ. | Max. | Unit | Ref. |
Storage Temperature | TS | -40 | 85 | ºC | ||
Storage Ambient Humidity | HA | 5 | 85 | % | ||
Maximum Supply Voltage | VCC1, VCCTX, VCCRX | 0 | 3.6 | V | ||
Signal Input Voltage | -0.3 | Vcc+0.3 | V | |||
Receiver Damage Threshold | PRdmg | 3.5 | dBm | |||
Lead Soldering Temperature/Time | TSOLD | 260/10 | ºC/sec | 1 | ||
Lead Soldering Temperature/Time | TSOLD | 360/10 | ºC/sec | 2 |
Notes:
1.Suitable for wave soldering.
2. Only for soldering by iron.
IV. Optical Characteristics
Parameter | Symbol | Min. | Typ. | Max. | Unit | Ref. |
Transmitter | ||||||
Total Average Launch Power | POUT | 8.3 | dBm | |||
Average Output Power per lane | POUT | -7 | 2.3 | dBm | ||
Transmit OMA per Lane | TxOMA | -4.0 | 3.5 | dBm | 1 | |
Extinction Ratio | ER | 3.5 | dB | |||
Center Wavelength |
λC | 1264.5 - 1277.5 1284.5 - 1297.5 1304.5 - 1317.5 1324.5 - 1337.5 |
nm | |||
Sidemode Suppression ratio | SMSR | 30 | dB | |||
Transmitter and Dispersion Penalty | TDP | 3.5 | dB | |||
Transmitter OFF Output Power | POff | -30 | dBm | |||
Transmitter eye mask definition {X1,X2,X3,Y1,Y2,Y3} | 0.25,0.4,0.45,0.25,0.28,0.4 | |||||
Receiver | ||||||
Input Optical Wavelength |
λIN | 1264.5 – 1277.5 1284.5 – 1297.5 1304.5 – 1317.5 1324.5 – 1337.5 |
nm | |||
Rx Sensitivity per lane | RSENS1 | -11.5 | dBm | |||
Rx Sensitivity(OMA) | RSENS2 | -9.6 | dBm | |||
Input Saturation Power (Overload) | PSAT | +3.3 | dBm | |||
Receiver Reflectance | Rfl | -12 | dBm | |||
Loss of Signal Assert | PA | -30 | dBm | |||
Loss of Signal De-assert | PD | -12.5 | dBm | |||
LOS Hysteresis | PD - PA | 0.5 | 6 | dB | ||
Note:
1. Even if TDP is <0.9dB, the OMA min must exceed this value.
V. Memory Map and Control Registers
Compatiable with SFF-8436Rev.4.8(QSFP+).
VI. Electrical Interface Characteristics
Parameter | Symbol | Min. | Typ. | Max. | Unit | Ref. |
Supply Voltage | VCC 1, VCCTX, VCCRX |
3.15 |
3.45 |
V | ||
Supply Current | ICC | 350 | mA | |||
Transmitter | ||||||
Input different impedance | Rin | 90 | 100 | 110 | Ω | 2 |
Single ended data input swing | Vin,pp | 120 | 820 | mV | ||
Transmitter Disable Voltage | VDIS | 2 | VCC | V | 3 | |
Transmitter Enable Voltage | VEN | 0 | 0.8 | V | ||
Receiver | ||||||
Output different impedance | Rout | 90 | 100 | 110 | Ω | 2 |
Single ended data output swing | Vout,pp | 340 | 850 | mV | 4 | |
LOS Asserted | VLOSA | 2 | VCCHOST | V | 5 | |
LOS De-asserted | VLOSD | 0 | 0.8 | V | 5 | |
Power Supply Rejection | PSR | 50 | mVpp | |||
Note :
1.Maximum total power value is specified across the full temperature and voltage range.
2.Connected directly to TX data input pins. AC coupled thereafter.
3. Or open circuit.
4.Into 100Ω differential termination.
5.Loss Of Signal is LVTTL. Logic “0” indicates normal operation; logic “1” indicates no signal detected.
VII. Mechanical Specifiactions

Product Features
l Supports 41.2 Gb/s aggregate bitrates
l Uncooled 4x10Gb/s CWDM transmitter
l Maximum link length of 10km on Single Mode Fiber (SMF)
l Hot-pluggable QSFP+ footprint
l Duplex LC receptacles
l Power dissipation < 3.5W
l RoHS-6 compliant and lead-free
l Single 3.3V power supply
l Support Digital Diagnostic Monitor interface
l Case operating temperature
l Commercial: 0°C to +70°C
Applications | Compliance |
40GBASE-LR4 40G Ethernet | QSFP+ MSA. |
IEEE802.3ba SFF-8436 RoHS |
Ordering Information
Part NO. | Bit Rate (Gbps) | Laser (nm) | Distance( km) | Media | DDMI | Connector | Temp(℃) |
FSANLC23-K10C |
10.3125 | 1271nm 1291nm 1311nm 1331nm |
10 | single-mode fiber |
YES |
LC |
0~70 |