Product Features：
l Supports 212.5Gb/s aggregate bit rate；
l 4x26.5625GBd(PAM4)electrical interface；
l Hot-pluggable QSFP56 footprint；
l RoHS-6 compliant and lead-free；
l +3.3V single power supply；
l 6W power dissipation each end ，with DSP；
l Support Digital Diagnostic Monitor interface；
l Case operating temperature；
Commercial: 0°C to +70°C
I.PinDiagram
QSFP28-compliant38-pinconnecto(persFF-867)
II. Pin Descriptions
Pin | Logic | Symbol | Name/Description | Ref. |
1 | GND | Ground | 1 | |
2 | CML-I | Tx2n | Transmitter Inverted Data Input | |
3 | CML-I | Tx2p | Transmitter Non-Inverted Data Input | |
4 | GND | Ground | 1 | |
5 | CML-I | Tx4n | Transmitter Inverted Data Input | |
6 | CML-I | Tx4p | Transmitter Non-Inverted Data Input | |
7 | GND | Ground | 1 | |
8 | LVTTL-I | ModSe1L | Module Select | |
9 | LVTTL-I | ResetL | Module Reset | |
10 | Vcc Rx | +3.3V Power supply receiver | ||
11 | LVCMOS-I | SCL | 2-wire serial interface clock | |
12 | LVCMOS-I/O | SDA | 2-wire serial interface data | |
13 | GND | Ground | 1 | |
14 | CML-O | Rx3p | Receiver Non-Inverted Data Output | |
15 | CML-O | Rx3n | Receiver Inverted Data Output | |
16 | GND | Ground | 1 | |
17 | CML-O | Rx1p | Receiver Non-Inverted Data Output | |
18 | CML-O | Rx1n | Receiver Inverted Data Output | |
19 | GND | Ground | 1 | |
20 | GND | Ground | 1 | |
21 | CML-O | Rx2n | Receiver Inverted Data Output | |
22 | CML-O | Rx2p | Receiver Non-Inverted Data Output | |
23 | GND | Ground | 1 | |
24 | CML-O | Rx4n | Receiver Inverted Data Output | |
25 | CML-O | Rx4p | Receiver Non-Inverted Data Output | |
26 | GND | Ground | 1 | |
27 | LVTTL-O | ModPrSL | Module Present | |
28 | LVTTL-O | IntL | Interrupt | |
29 | Vcc Tx | +3.3V Power supply transmitter | ||
30 | Vcc1 | +3.3V Power Supply | ||
31 | LVTTL-I | LPMode | Low Power Mode | |
32 | GND | Ground | 1 | |
33 | CML-I | Tx3p | Transmitter Non-Inverted Data Input | |
34 | CML-I | Tx3n | Transmitter Inverted Data Input | |
35 | GND | Ground | 1 | |
36 | CML-I | Tx1p | Transmitter Non-Inverted Data Input | |
37 | CML-I | Tx1n | Transmitter Inverted Data Input | |
38 | GND | Ground | 1 |
Note：
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 | 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 |
Notes:
1.Suitable for wave soldering.
2. Only for soldering by iron.
IV. Recommended Operating Conditions
Data Rate Spcifications | Symbol | Min. | Typ. | Max. | Unit | Ref. |
Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V | |
Baud Rate(per channel ) PAM4 | BR | 26.5625 | GBd | 1 | ||
Operating Case Temperature | Tc | 0 | 70 | ℃ |
Notes:
1. Supports 200GBASE-SR4 per IEEE 802.3cd.
V. Electrical Interface Characteristics
Parameter | Symbol | Min. | Typ. | Max. | Unit | Ref. |
Supply Voltage | VCC1, VCCTX , VCCRX |
3.13 |
3.47 |
V | ||
Power Dissipation | Pd | 6 | W | |||
Transmitter(per Lane) | ||||||
Input different impedance | Rin | 90 | 100 | 110 | Ω | |
Single ended input voltage tolerance | VinT | -0.3 | 4.0 | V | ||
Differential Input Voltage Amplitude | Vin,pp | 900 | mV | |||
Receiver (per Lane) | ||||||
Error Bit Rate | BER | 2.4E-4 | ||||
Output different impedance | Rout | 90 | 100 | 110 | Ω | |
Single-ended output voltage | VoutR | -0.3 | 4.0 | V | ||
Differential Output Voltage Amplitude | Vout,pp | 900 | mV | |||
VI. Digital Diagnostic Functions
VII. Recommended Interface Circuit
VIII. Mechanical Specifications (Unit: mm)
Unit mm
L | L1 | L2 | L3 | L4 | W | W1 | W2 | H | H1 | H2 | H3 | H4 | H5 | |
Max | 72.2 | - | 128 | 4.35 | 61.4 | 18.45 | - | 6.2 | 8.6 | 12.4 | 5.35 | 2.5 | 1.6 | 2.0 |
Type | 72.0 | - | - | 4.20 | 61.2 | 18.35 | - | - | 8.5 | 12.2 | 5.2 | 2.3 | 1.5 | 1.8 |
Min | 68.8 | 16.5 | 124 | 4.05 | 61.0 | 18.25 | 2.2 | 5.8 | 8.4 | 12.0 | 5.05 | 2.1 | 1.3 | 1.6 |
Cable Length
Parameter | Value | Units |
Diameter | 3 | mm |
Minimum bend radius | 30 | mm |
Length tolerance | Length<1m: +5/-0 | cm |
1≤Length≤4.5m: +15/-0 | cm | |
5≤Length≤14.5m: +30/-0 | cm | |
Length≥15.0m： +2/-0 | m | |
Cable color | Orange(OM2),Aqua(OM3), Megenta(OM4) | |
Product Features
l Supports 212.5Gb/s aggregate bit rate
l 4x26.5625GBd(PAM4)electrical interface
l Hot-pluggable QSFP56 footprint
l RoHS-6 compliant and lead-free
l +3.3V single power supply
l 6W power dissipation each end ，with DSP
l Support Digital Diagnostic Monitor interface
l Case operating temperature
Commercial: 0°C to +70°C
Applications | Compliance |
200GBASE-SR4 Ethernet | QSFP MSA. |
Other optical links | IEEE802.3cd |
SFF-8636 | |
RoHS |
Ordering Information
Package | Product part NO. | Distance | Temperature Range |
QSFP56 | FSCRAA31-M01C | 1-metercable | Commercial: 0~70℃ |
QSFP56 | FSCRAA31-M03C | 3-metercable | Commercial: 0~70℃ |
QSFP56 | FSCRAA31-M05C | 5-metercable | Commercial: 0~70℃ |
QSFP56 | FSCRAA31-M07C | 7-metercable | Commercial: 0~70℃ |
QSFP56 | FSCRAA31-M10C | 10-metercable | Commercial: 0~70℃ |
QSFP56 | FSCRAA31-M15C | 15-metercable | Commercial: 0~70℃ |
QSFP56 | FSCRAA31-M20C | 20-metercable | Commercial: 0~70℃ |
QSFP56 | FSCRAA31-M30C | 30-metercable | Commercial: 0~70℃ |
*For availability of additional cable lengths, please contact Fibridge. | |||