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Overview
| Topology | Other Topology |
| IC revision | B02c |
Description
The EVB7251 is an evaluation board for the KD7251 multigigabit chip compliant with the IEEE Std 802.3cz™ specification for automotive multi-gigabit optical communication links over multi-mode glass optical fiber OM3. The boards allow optical communication links up to 10Gb/s and operate as a media converter between the optical BASE-AU port and the SFP+ module.The EVB7251 along with the rest of the components provides the functional and performance evaluation capabilities requested by the automotive OEM, TIER-1, or test house, enabling product designers to successfully evaluate KD’s technology and to shorten the time to market.Typical use allows the user to plug in a standard optical SFP+ module and enjoy a media-converter functionality. Complementary items are provided, such as optical fiber cable.
Features
- Single-chip solution
- Support for the followingbitrates:
- 10 Gb/s, 10GBASE-AU PHY, according to the IEEE Std 802.3czTM
- 5 Gb/s, 5GBASE-AU PHY, according to the IEEEStd 802.3czTM
- 2.5 Gb/s, 2.5GBASE-AU PHY, according to the IEEE Std802.3czTM
- 1 Gb/s, with PCS 64B/65B encoding according to the IEEE Std802.3bvTM-2017
- Ethernet data interfaces supported
- 10GBASE-R
- 5GBASE-R
- 2.5G/1000BASE-X
- USXGMII
- CSI-2® & DSI-2SM over D-PHYSM bridging for sensorand display connectivity, with support for asymmetriclinks
- Additional bridging functionality: PCIe up to 8GT/s
- Optimized for OM3 MM-GOF with the channel characteristics specified by IEEE Std 802.3czTM
- Long reach: 40 m with 4 inline connectors @10Gb/s
- Guaranteed BER < 10-12 for allbitrates
- Latency < 1us at 10Gb/s
- Start time < 100ms
- Low power consumption, support forEEE
- ReducedBOM
- Small PCB area (~22 x16 mm2, including the connector)
- Enables small and low-costconnectors
- Uses the same cables and connectors for allbitrates
- MACsec support
- ASIL-B
- Wake-up & Sleep, interruptiongeneration
- PTP,SyncE
- Advanced monitoring, dependability functions and OAM
- Integrated EMCshielding
- Galvanic isolation
- Automotive AEC-Q100 grade-2, withstanding -40to +105oC operating ambienttemperature
- 117-pin BGA (11 x 8 mm2)package
Typical applications
- Multi-gigabit optical communication
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Z @ 100 MHz(Ω) | Zmax(Ω) | IR(mA) | RDC(Ω) | Type | f | Stability(ppm) | Operating Temperature | Output Logic | VSupply | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Mount | Winding Style | Number of windings | L1(µH) | Z(Ω) | IR(mA) | RDC max.(Ω) | VR(V) | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-SL5 HC SMT Common Mode Line Filter, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-SL5 HC SMT Common Mode Line Filter | – | – | Rated Current1400 mA | – | – | – | – | Operating Temperature -40 °C up to +125 °C | – | – | Inductance30 µH | – | – | – | – | – | MountSMT | Winding Stylesectional | Number of windings2 | Inductance [1]30 µH | Impedance2200 Ω | Rated Current1400 mA | DC Resistance [1]0.06 Ω | Rated Voltage80 V | –Check availability | |||
 | SPECWE-MAPI SMT Power Inductor, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | – | – | Rated Current2800 mA | – | – | – | – | Operating Temperature -40 °C up to +125 °C | – | – | Inductance1 µH | Performance Rated Current4.05 A | Saturation Current @ 30%6.3 A | DC Resistance49 mΩ | Self Resonant Frequency85 MHz | Operating Voltage80 V | MountSMT | Winding Stylebifilar | Number of windings7 | – | – | – | – | – | –Check availability | |||
 | SPECWE-SPXO Simple Packaged Quartz Oscillator, –, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-SPXO Simple Packaged Quartz Oscillator | – | – | – | – | – | Frequency156.25 MHz | Stability50 ppm | Operating Temperature -40 °C up to +105 °C | Output LogicLVDS | Supply Voltage3.3 V | – | – | – | – | – | – | MountSMT | – | – | – | – | – | – | – | –Check availability | ||
 | SPECWE-CBA SMT EMI Suppression Ferrite Bead, 600 Ω, 720 Ω | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBA SMT EMI Suppression Ferrite Bead | Impedance @ 100 MHz600 Ω | Maximum Impedance720 Ω | Rated Current850 mA | DC Resistance0.25 Ω | TypeWide Band | – | – | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability | |||
| SPECWE-CBA SMT EMI Suppression Ferrite Bead, 600 Ω, 634 Ω | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBA SMT EMI Suppression Ferrite Bead | Impedance @ 100 MHz600 Ω | Maximum Impedance634 Ω | Rated Current1500 mA | DC Resistance0.1 Ω | TypeHigh Current | – | – | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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