Product Features:
l Multi rate of up to 10.3125Gb/s per channel;
l Transmission distance up to150m OM3;
l Hot-pluggable QSFP+ footprint;
l Single 1x12 MPO receptacle;
l Low power consumption;
l Four-channel full-duplex transceiver module;
l RoHS-6 compliant and lead-free;
l +3.3V single power supply;
l Support Digital Diagnostic Monitor interface;
l Case operating temperature:
Commercial: 0°C to +70°C
I. Pin Diagram
II. Pin Descriptions
Pin | Symbol | Name/Description | Ref. |
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 | ModSe1L | Module Select | |
9 | ResetL | Module Reset | |
10 | Vcc Rx | +3.3V 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 | Module Present | |
28 | IntL | Interrupt | |
29 | VccTx | +3.3V Power supply transmitter | |
30 | Vcc1 | +3.3V 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 | 0 | 85 | % | ||
Maximum Supply Voltage | VCC1, VCCTX, VCCRX | -0.5 | 3.6 | V | ||
Signal Input Voltage | -0.3 | 4.0 | V | |||
Receiver Damage Threshold | +3.8 | 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(per Lane) | ||||||
Average Output Power | POUT | -6 | 2.4 | dBm | ||
Extinction Ratio | ER | 3.0 | dB | |||
Center Wavelength | λC | 840 | 860 | nm | ||
RMS Spectral Width | σ | 0.6 | nm | |||
Transmitter OFF Output Power | POff | -30 | dBm | |||
Relative Intensity Noise | RIN | -128 | dB/Hz | |||
Transmitter eye mask definition {X1,X2,X3,Y1,Y2,Y3} | 0.23,0.34,0.43,0.27,0.35,0.4 | |||||
Receiver(per Lane) | ||||||
Input Optical Wavelength | λIN | 840 | 860 | nm | ||
Rx Sensitivity per lane | RSENS | -10.3 | dBm | @BER=1E-12 | ||
Input Saturation Power (Overload) | PSAT | +2.4 | dBm | 1 | ||
Loss of Signal Assert | PA | -30 | dBm | |||
Loss of Signal De-assert | PD | -12 | dBm | |||
LOS Hysteresis | PD - PA | 0.5 | 6 | dB | ||
Notes:
1. Measured with PRBS 2^31- 1 test pattern @10.3125Gbps.BER=1E- 12.
V. 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(per Lane) | ||||||
Input different impedance | Rin | 90 | 100 | 110 | Ω | 1 |
Single ended input voltage tolerance | VinT | -0.3 | 4.0 | V | ||
Single ended data input swing | Vin,pp | 200 | 1000 | mV | 2 | |
Receiver (per Lane) | ||||||
Output different impedance | Rout | 90 | 100 | 110 | Ω | 1 |
Single ended data output swing | Vout,pp | 200 | 1000 | mV | 3 | |
Single-ended output voltage | VoutR | -0.3 | 4.0 | V | ||
Note :
1.Connected directly to TX data input pins. AC coupled thereafter.
2. After internal AC coupling. Self-biasing 100Ω differential input
3.Into 100Ω differential termination.
VI. Memory Map and Control Registers
Compatiable with SFF-8436Rev.4.8(QSFP+).
VII. Recommended Interface Circuit

VIII.Mechanical Specifications (Unit: mm)
Product Features
l Multi rate of up to 10.3125Gb/s per channel
l Transmission distance up to150m OM3
l Hot-pluggable QSFP+ footprint
l Single 1x12 MPO receptacle
l Low power consumption
l Four-channel full-duplex transceiver module
l RoHS-6 compliant and lead-free
l +3.3V single power supply
l Support Digital Diagnostic Monitor interface
l Case operating temperature:
Commercial: 0°C to +70°C
Applications | Compliance |
40GBASE-SR4 40G Ethernet | QSFP+ MSA. |
InfiniBand QDR | IEEE802.3ba |
Other optical links | SFF-8436 |
RoHS |
Ordering Information
Part NO. | Bit Rate (Gbps) | Laser (nm) | Distance( m) | Media | DDMI | Connector | Temp(℃) |
FSANMM85-S15C | 40 | 850 | 150 | multi-mode fiber | YES | MPO 1X12 | 0~70 |