Product Features:
l Supports 103.1Gb/s aggregate bit rate;
l 4x25Gb/s electrical interface;
l 4X25Gb/s CWDM transmitter and PIN/TIA receiver;
l Maximum link length of 2km on Single Mode Fiber (SMF);
l Hot-pluggable QSFP28 from factor;
l Single 3.3V power supply;
l Integrated 4-channel CWDM mux/demux for duplex LC operation;
l Duplex LC receptacles;
l Maximum power dissipation < 3.5W;
l RoHS-6 compliant and lead-free;
l I2C management interface;
l Case operating temperature:
Commercial: 0°C to +70°C
I. Pin Diagram
QSFP28-compliant38-pinconnecto(persFF-867)
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 | Vcc Tx | +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 | 5 | 95 | % | ||
Maximum Supply Voltage | VCC | -0.5 | 3.6 | V | ||
Lead Soldering Temperature/Time | TSOLD | 260/10 | ºC/sec | 1 | ||
Lead Soldering Temperature/Time | TSOLD | 360/10 | ºC/sec | 2 |
Note:
1. Suitable for wave soldering.
2. Only for soldering by iron.
IV. Optical Characteristics
Parameter | Symbol | Min. | Typ. | Max. | Unit | Ref. | ||||||||
Transmitter(per lane) | ||||||||||||||
Signaling Speed per Lane | 25.78125 ±100 ppm | Gb/s | 1 | |||||||||||
Center Wavelength |
λC |
-- | 1264.5 – 1277.5 1284.5 – 1297.5 1304.5 – 1317.5 1324.5 – 1337.5 |
-- |
nm | |||||||||
Extinction ratio | ER | 3.5 | -- | -- | dB | |||||||||
Side Mode Suppression Ratio | SMSR | 30 | -- | -- | dB | |||||||||
Total average launch power | Ptot | -- | -- | 8.5 | dBm | |||||||||
Average launch power, each lane | Po | -6.5 | -- | 2.5 | dBm | |||||||||
OMA, each lane | OMA | -4 | -- | 2.5 | dBm | CW,ER>3.5dB | ||||||||
Difference in launch power between any two lanes (OMA) | 5 | dB | ||||||||||||
TDP, each lane | TDP | 3.0 | dB | 2 | ||||||||||
Average launch power of OFF transmitter, each lane | Poff | -30 | dBm | |||||||||||
Transmitter eye mask definition {X1,X2,X3,Y1,Y2,Y3} | {0.31, 0.40, 0.45, 0.34, 0.38, 0.4} | 3 | ||||||||||||
Receiver(per lane) | ||||||||||||||
Signaling Speed per Lane | 25.78125 ±100 ppm | Gb/s | 4 | |||||||||||
Input Optical Wavelength |
λin | 1264.5 – 1277.5 1284.5 – 1297.5 1304.5 – 1317.5 1324.5 – 1337.5 |
nm | |||||||||||
Damage threshold | 3.5 | dBm | ||||||||||||
Receiver Power (OMA), each Lane | 2.5 | dBm | ||||||||||||
Rx Sensitivity(OMA) per lane | RSENS | -10 | dBm | 5 | ||||||||||
Stressed receiver sensitivity (OMA), each lane | SRS | -7.3 | dBm | 6 | ||||||||||
Conditions of stressed receiver sensitivity test: | ||||||||||||||
Vertical eye closure penalty, each lane | VECP | 1.9 | dB | |||||||||||
Stressed eye J2 jitter, each lane | J2 | 0.33 | UI | |||||||||||
Stressed eye J4 jitter, each lane | J4 | 0.48 | UI | |||||||||||
SRS eye mask definition {X1, X2, X3, Y1, Y2, Y3} | {0.39, 0.50, 0.50, 0.39, 0.39, 0.4} | |||||||||||||
Loss of Signal Assert | PA | -30 | - | dBm | ||||||||||
Loss of Signal De-assert | PD | -11. | dBm | |||||||||||
LOS Hysteresis | PD - PA | 0.5 | dB | |||||||||||
Notes：
1. Transmitter consists of 4 lasers operating at 25.78Gb/s each.
2. TDP value does not include MPI penalty.
3. Hit ratio of 5x10-5, per IEEE.
4. Receiver consists of 4 photodetectors operating at 25.78Gb/s each.
5.Sensitivity is specified at 5x10-5 BER.
6.Measured with CWDM4 MSA2 conformance test signal at TP3 for 5x10-5 BER.
V. Digital Diagnostic Functions
FSBQLC23-K02C QSFP28 transceivers support the I2C-based diagnostics interface specified by the
QSFP28 MSA.
VI. Electrical Interface Characteristics
Parameter | Symbol | Min. | Typ. | Max. | Unit | Ref. | ||
Supply Voltage | VCC | 3.135 | 3.465 | V | ||||
Supply Current | ICC | 1.12 | A | |||||
Module total power | P | 3.5 | W | 1 | ||||
Transmitter | ||||||||
Signaling rate per lane | 25.78125±100ppm | Gb/s | ||||||
Differential data input swing per lane | Vin,pp | 900 | mV | |||||
Differential input return loss(min) | RLd(f) | 9.5 - 0.37f, 0.01≤f<8 4.75-7.4log10(f/14), 8≤f<19 | dB | |||||
Differential to common mode input return loss(min) | RLdc(f) | 22-20(f/25.78), 0.01≤f<12.89 15-6(f/25.78), 12.89≤f<19 | dB | |||||
Differential termination mismatch | 10 | % | ||||||
Eye width | 0.46 | UI | ||||||
Applied pk-pk sinusoidal Jitter | Per IEEE802.3bm Table 88-13 | |||||||
Eye height | 95 | mV | ||||||
Receiver | ||||||||
Signaling rate per lane | 25.78125±100ppm | Gb/s | ||||||
Differential data output swing |
Vout,pp | 100 | 400 |
mVpp |
2 | |||
300 | 600 | |||||||
400 | 600 | 800 | ||||||
600 | 1200 | |||||||
Eye width | 0.57 | UI | ||||||
Vertical eye closure | VEC | 5.5 | dB | |||||
Differential output return loss (min) | RLd(f) | 9.5 – 0.37f, 0.01≤f<8 4.75 – 7.4log10(f/14), 8 ≤f<19 | dB | |||||
Common to differential mode conversion return loss (min) | RLdc(f) | 22-20(f/25.78), 0.01≤f<12.89 15-6(f/25.78), 12.89≤f<19 | dB | |||||
Differential termination mismatch | 10 | % | ||||||
Note :
1.Maximum total power value is specified across the full temperature and voltage range.
2.Output voltage is settable in 4 discrete range via I2C.Default range is Range 2 ( 400 - 800mV ).
VII. Mechanical Specifications(Unit: mm)
Product Features
l Supports 103.1Gb/s aggregate bit rate
l 4x25Gb/s electrical interface
l 4X25Gb/s CWDM transmitter and PIN/TIA receiver
l Maximum link length of 2km on Single Mode Fiber (SMF)
l Hot-pluggable QSFP28 from factor
l Single 3.3V power supply
l Integrated 4-channel CWDM mux/demux for duplex LC operation
l Duplex LC receptacles
l Maximum power dissipation < 3.5W
l RoHS-6 compliant and lead-free
l I2C management interface
l Case operating temperature
Commercial: 0°C to +70°C
Applications | Compliance |
100Gigabit Ethernet | QSFP28 MSA. |
IEEE802.3bm | |
SFF-8636 | |
RoHS |
Ordering Information
Part No. | Bit Rate (Gbps) | Laser (nm) | Distance | Fiber Type | DDMI | Connector | Temp |
FSBQLC23-K02C | 4*25.78125 | CWDM | 2km | SMF | YES | LC | 0℃~+70℃ |