VSC8221XHH - Low-Power Gigabit Copper SFP PHY | Microchip
MPN: VSC8221XHH ✓ فعالVSC8221XHH جائزہ
A copper Ethernet PHY is a physical-layer transceiver that translates digital MAC data into signals suitable for twisted-pair cabling and recovers those signals at the receiving endpoint. The VSC8221 occupies the PHY layer within the Ethernet hierarchy: an Ethernet transceiver integrates a physical-layer device with a SerDes interface for connection to a media-access controller or switching fabric. Its purpose is to provide interoperable copper connectivity while limiting module power and board area.
The principal feature is support for triple-speed copper Ethernet at 10, 100, and 1000 Mb/s. Its 1.25 Gbps SerDes supports both SGMII and SerDes-to-Category 5 operating modes, allowing the same PHY to be used in SFP and media-converter designs. The manufacturer identifies the part as the smallest, lowest-power Gigabit Ethernet-over-copper PHY in its product family and as suitable for demanding cable-plant environments.
The VSC8221 is designed to support 140 m of Category 5 unshielded twisted-pair cable while meeting stringent SFP power-consumption requirements. It also supports PICMG 2.16 and 3.0 Ethernet backplanes at approximately 500 mW and provides tolerance to NEXT, FEXT, echo, and system noise. These characteristics make the PHY appropriate where copper reach, electromagnetic-noise immunity, and compact module power are simultaneous design priorities.
Typical uses include 1000BASE-X copper SFP modules, GBIC-style copper interfaces, Ethernet media converters, and backplane or embedded networking equipment. The same package can support a MAC-to-copper connection through 1000BASE-X SerDes operation or a MAC connection through the four-pin or six-pin SGMII interface. Automatic or user-controlled SerDes behavior provides additional flexibility during system bring-up.
When designing with the VSC8221, verify the selected magnetics, impedance-controlled copper routing, reference clock, and SGMII or SerDes interface against the manufacturer data sheet. A 3.3 V-only architecture simplifies supply design, but the complete module still requires careful thermal, isolation, and return-path planning under sustained 1 Gb/s traffic.
This page consolidates the verified manufacturer and distributor information for VSC8221XHH, including power, interface, speed, cable-reach, pricing, and application details. It also identifies the limits of the available substitute data so engineers can distinguish confirmed same-family options from unsupported cross-brand replacements.
کے لیے ڈراپ اِن متبادل VSC8221XHH — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
VSC8221HH
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
VSC8221HH-03
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
VSC8221XHH تفصیلات
| Product Type | Gigabit Ethernet over copper PHY |
| Supported Copper Ethernet Rates | 10 Mb/s, 100 Mb/s, and 1000 Mb/s |
| Supported Copper Standards | 10BASE-T, 100BASE-TX, and 1000BASE-T |
| SerDes Data Rate | 1.25 Gbps |
| Serial Interface | SGMII and SerDes-to-Category 5 |
| سپلائی وولٹیج | 3.3 V |
| Internal Regulator | On-chip |
| Power Consumption | Less than 700 mW |
| Backplane Support Power | Approximately 500 mW |
| Maximum Category 5 Cable Length | 140 m |
| Supported Backplane Standards | PICMG 2.16 and PICMG 3.0 |
| Cable Noise Tolerance | NEXT, FEXT, echo, and system noise |
| پیکیج | 100-TFBGA, 9 x 9 mm |
| ماؤنٹنگ ٹائپ | Surface mount |
| Ethernet Channel Count | 1 channel |
VSC8221XHH 100-tfbga, 9 x 9 mm پن کنفیگریشن گائیڈ
VSC8221XHH (100-tfbga, 9 x 9 mm پیکیج) کے لیے پن کنفیگریشن۔ پن نمبرنگ، فنکشنز اور کنکشن ڈایاگرامز مینوفیکچرر کے ڈیٹا شیٹ میں بیان کیے گئے ہیں۔ درست فٹ پرنٹ اور سولڈرنگ رہنما ہدایات کے لیے اسی سے رجوع کریں۔
کے لیے تفصیلی پن آؤٹ ڈیٹا دستیاب نہیں VSC8221XHH.
رجوع کریں ڈیٹا شیٹ مکمل پن کنفیگریشن کے لیے۔
عام استعمالات
VSC8221XHH کے لیے موزوں ہے 6 ایپلیکیشنs: Copper Gigabit SFP Module, Ethernet Media Converter, GBIC Copper Interface, Industrial Ethernet Backplane Equipment, MAC-to-Copper Network Adapter, Noise-Tolerant Network Appliance.
Copper Gigabit SFP Module
The VSC8221XHH fits a copper Gigabit SFP module because it combines 10/100/1000BASE-T support with a 1.25 Gbps SerDes and less than 700 mW power consumption. It can connect a MAC to Category 5 copper in 1000BASE-X SerDes mode or expose a compliant four-pin or six-pin SGMII interface. The 140 m Category 5 reach and tolerance to NEXT, FEXT, echo, and system noise support robust copper connectivity. Its compact 100-TFBGA 9 x 9 mm package also preserves module-board area, although magnetics, clocking, thermal management, and the exact 3.3 V decoupling network must follow the manufacturer reference design.
تجویز کردہ
Ethernet Media Converter
The VSC8221XHH is appropriate for an Ethernet copper-to-fiber or copper media converter because it provides a triple-speed copper PHY and both SGMII and 1000BASE-X SerDes paths. The manufacturer identifies media converters as a primary application and states that the PHY can connect a MAC to copper media or to 100BASE-FX through the copper-media interface in 1000BASE-X mode. A power budget below 700 mW helps thermal design in compact converter enclosures, while 140 m Category 5 support and disturbance tolerance address real installation environments.
تجویز کردہ
GBIC Copper Interface
The VSC8221XHH supports compact GBIC-style copper interfaces by combining triple-speed Ethernet, a 1.25 Gbps SerDes, and low power in a 100-TFBGA package. Its less-than-700 mW consumption is valuable in legacy pluggable form factors where available thermal and power budgets are limited. The PHY can operate over 140 m of Category 5 UTP and is designed to tolerate NEXT, FEXT, echo, and system noise. Implementation should account for the required network magnetics, connector loss, reference clock, SerDes impedance, and module-rail startup behavior.
تجویز کردہ
Industrial Ethernet Backplane Equipment
The VSC8221XHH is suitable for industrial Ethernet equipment that must place a copper-capable PHY close to PICMG 2.16 or 3.0 backplane infrastructure. Microchip states that the device supports these Ethernet backplanes at approximately 500 mW and provides strong tolerance to NEXT, FEXT, echo, and system noise. The single 3.3 V supply and low-power SerDes simplify thermal integration, while SGMII and 1000BASE-X modes permit different MAC architectures. System integrators should still validate the complete channel, clock topology, isolation strategy, and environmental limits for their installed equipment.
تجویز کردہ
MAC-to-Copper Network Adapter
The VSC8221XHH can serve as the copper interface in a MAC-to-copper network adapter by using its 1000BASE-X SerDes mode or its compliant SGMII connection. At 1.25 Gbps, the SerDes provides the line-rate signaling expected for Gigabit Ethernet, while the integrated copper transceiver supports 10BASE-T, 100BASE-TX, and 1000BASE-T. The PHY's sub-700 mW operating power and small 9 x 9 mm package support compact adapters. Board-level design must preserve high-speed SerDes signal integrity, provide compliant magnetics, and follow the manufacturer clock and decoupling recommendations.
تجویز کردہ
Noise-Tolerant Network Appliance
The VSC8221XHH is useful in network appliances exposed to switching noise, reflected signals, and cable-plant disturbances. Its stated tolerance to NEXT, FEXT, echo, and system noise is relevant when the PHY must operate reliably near digital power converters, high-speed processors, or imperfect legacy cabling. Triple-speed operation allows a single copper PHY design to cover 10, 100, and 1000 Mb/s links. The less-than-700 mW power figure helps limit self-heating, but a reliable deployment still needs controlled impedance, proper magnics, tested grounding, and validation with the actual cable and enclosure.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا VSC8221XHH — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | VSC8221HH | VSC8221HH-03 |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-TFBGA (9x9) | 100-TFBGA (9x9) - same package family | 100-TFBGA (9x9) - same package family |
| Product Type | Gigabit Ethernet over copper PHY | VSC8221-family Gigabit Ethernet over copper PHY | VSC8221-family Gigabit Ethernet over copper PHY |
اہم امتیازی خصوصیات
- Low module power (بمقابلہVSC8221HH)
- 140 m Category 5 reach (بمقابلہVSC8221HH-03)
- Flexible MAC connectivity (بمقابلہVSC8221HH)
ڈیزائن نوٹس
Route the 1.25 Gbps SerDes and copper-media interfaces as controlled-impedance differential pairs on the shortest practical path. Follow the Microchip reference design for layer stack-up, via transitions, return vias, and separation from switching nodes. Incorrect reference-plane discontinuities or missing return-path vias can degrade jitter and eye opening even when the schematic is electrically correct.
The VSC8221XHH uses a single 3.3 V supply and includes an on-chip regulator. Place the required input and output capacitors at the package power and ground connections using the manufacturer layout, keeping high-current loops compact. Validate the complete module budget because PHY power below 700 mW does not include magnetics, clocking circuitry, isolation, or the host interface.
Do not infer that every VSC8221 ordering code is automatically interchangeable. VSC8221HH and VSC8221HH-03 appear in the same supplier listing, but the supplied data does not specify their temperature grade, package suffix, qualification, or full ballout. Compare the ordering table and pinout in the manufacturer data sheet before substituting a part in an existing 100-TFBGA design.
تعمیل کی معلومات
The supplied verified data does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. PICMG 2.16 and PICMG 3.0 are identified as supported backplane standards, but they are not compliance certifications for this product.
