M21012 - 3.2 Gbps Quad Multi-Rate CDR | MACOM
Teilenummer: M21012 ✗ Abgekündigt| Menge | Stückpreis | Gesamt |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
M21012 Übersicht
A clock and data recovery IC is a semiconductor that extracts timing information from a noisy serial data stream and reconstructs a usable data signal. In the broader hierarchy, a CDR belongs to interface ICs and clock-and-timing recovery functions within high-speed data communications. The M21012 is intended for systems that need parallel adaptation of multiple serial links, particularly multi-lane telecom, optical networking, and datacom equipment.
The principal verified feature is its four-channel multi-rate architecture. The 42 Mbps to 3.2 Gbps operating range allows one device family to address several link rates, while independent per-channel recovery supports multi-lane designs. The verified distributor listing also associates the related M21012G-12 variant with fiber-channel, Gigabit Ethernet, and SONET applications, an 800 MHz operating figure, and one output. Exact pin-level electrical limits, supply voltages, jitter specifications, and temperature ratings are not present in the supplied excerpts and must be confirmed from the manufacturer documentation before design release.
For optical and backplane-oriented links, CDR functionality helps align serial data with its associated clock before downstream digital logic processes it. The recovered data can reduce the impact of timing distortion introduced by transmission media, connectors, packaging, and crosstalk. The quad organization can also reduce the number of separate recovery devices required in a multi-lane module, although board-level validation remains essential because channel-to-channel skew, power integrity, and loss characteristics depend on the complete implementation.
Typical uses include SONET-oriented telecom interfaces, Gigabit Ethernet links, fiber-channel modules, multi-lane datacom equipment, and other serial links operating inside the stated 42 Mbps to 3.2 Gbps range. The exact supported coding, reference-clock requirements, recovery modes, and interface protocol details should be verified in the M21012 datasheet. Do not substitute the related M21012G-12 listing for the exact M21012 without confirming ordering-code compatibility.
A practical design review should begin with the manufacturer pinout and package information, followed by high-speed transmission-line routing, controlled impedance, reference-clock integrity, decoupling, and thermal analysis. A CDR cannot compensate for an inadequately designed channel, and its benefit depends on the incoming signal remaining within the device's specified operating conditions.
This page consolidates the verified manufacturer description, distributor application details, availability references, and engineering cautions for the M21012. It distinguishes verified facts from parameters requiring datasheet confirmation and does not present unverified substitute parts, electrical limits, pricing, or lifecycle claims as established data.
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M21012G-12
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M21012 Technische Daten
| Product Type | Quad multi-rate clock and data recovery (CDR) array |
| Number of Channels | 4 independent CDR channels |
| Data Rate per Channel | 42 Mbps to 3.2 Gbps |
| Minimum Data Rate | 42 Mbps |
| Maximum Data Rate | 3.2 Gbps |
| Application Domain | Multi-lane telecom and datacom |
| Related Ordering Variant | M21012G-12 |
| Related Variant Reference Frequency | 800 MHz |
| Related Variant Output Count | 1 output |
| Gehäuse | 72-QFN, 10 mm x 10 mm |
| Related Interface Associations | Fiber channel, Gigabit Ethernet, and SONET |
| Montageart | Surface mount |
M21012 72-qfn, 10 mm x 10 mm Pinbelegungsleitfaden
Pinbelegung für M21012 (72-qfn, 10 mm x 10 mm-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.
Keine detaillierten Pinbelegungsdaten verfügbar für M21012.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
M21012 ist geeignet für 6 Anwendungs: Multi-Lane Telecom Interfaces, Fiber-Channel Modules, Gigabit Ethernet Links, SONET-Oriented Transport, High-Speed Datacom Line Cards, Serial Backplane and Board-to-Board Links.
Multi-Lane Telecom Interfaces
The M21012 fits multi-lane telecom equipment that requires independent clock and data recovery across several serial links. MACOM identifies the device for multi-lane telecom applications, and its four independent CDR channels can support systems operating between 42 Mbps and 3.2 Gbps per channel. In a module, the device would typically sit between received high-speed data paths and downstream parallel or recovered-clock logic. The benefit is consolidation of timing recovery functions in one quad array, reducing the number of separate single-channel recovery ICs. The trade-off is that the exact channel modes, reference-clock architecture, electrical limits, and pinout must be confirmed from the manufacturer datasheet before routing or production use.
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Fiber-Channel Modules
M21012 is relevant to fiber-channel modules that receive serial data over channels subject to loss, jitter, and timing distortion. The verified distributor description associates the related MACOM family with fiber-channel applications, while the manufacturer describes M21012 as a multi-rate CDR for telecom and datacom systems. Placing four recovery channels near the receive interface can help restore timing before data reaches packet-processing or framing logic. The implementation must preserve controlled impedance, short high-speed paths, and a clean reference clock. Because the supplied excerpts do not specify optical-module protocol mappings or CDR acquisition limits, the module designer must validate the exact M21012 configuration against its channel budget.
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Gigabit Ethernet Links
The M21012 can be considered for Gigabit Ethernet-oriented serial links whose line rate is within the verified 42 Mbps to 3.2 Gbps operating range. Its independent multi-rate channels allow a system to consolidate recovery functions for multiple related data paths, provided the device's supported coding, reference, and protocol modes match the Ethernet design. The CDR should be placed where the recovered signal is still within the electrical reach of the transceiver or optical front end, with careful control of power and return paths. Do not infer Ethernet-specific guarantee from the generic distributor keyword association; confirm protocol support, latency, jitter tolerance, and pin-level interfaces in the official datasheet.
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SONET-Oriented Transport
SONET-oriented transport equipment is a potential application because the verified distributor listing describes the related M21012G-12 as a SONET clock and data recovery IC. The M21012's four independent channels and 42 Mbps to 3.2 Gbps range provide a multi-lane timing-recovery resource for telecom designs. In practice, the CDR must be configured for the exact line rate, reference clock, coding assumptions, and system latency expected by the surrounding transport ASIC or framer. High-speed routing and power integrity are especially important because recovery performance depends on the quality of the incoming signal. Verify SONET variant support and all timing limits in MACOM documentation before committing the device to a new transport board.
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High-Speed Datacom Line Cards
M21012 suits line-card architectures that need several recovered data paths in a compact telecom or datacom subsystem. Its quad channel count is the central architectural benefit: four independent recovery channels can organize repeated serial links and simplify channel-level clock management. The device can be used adjacent to a transceiver, switch, or forwarding ASIC, but placement should prioritize short routes, continuous reference planes, and isolated high-speed returns. The main design consideration is that a CDR cannot recover signal integrity that has already been lost through poor connectors, uncontrolled impedance, or inadequate power delivery. Confirm supported data rates, I/O standards, and package pin assignments before schematic capture.
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Serial Backplane and Board-to-Board Links
The M21012 may be evaluated for board-to-board links within the 42 Mbps to 3.2 Gbps range when each lane requires independent timing recovery. Its quad structure is useful where several lanes need separate recovered clocks and data outputs, while the telecom and datacom positioning indicates suitability for communication-oriented links. A robust implementation requires controlled-impedance traces, proper layer transitions, adequate return-path continuity, and a reference clock with controlled jitter. Board-to-board channels should be characterized with the actual connector and enclosure, because the CDR's verified rate range alone does not guarantee recovery margin. Validate protocol mode and timing before using M21012 as a generic serial-link substitute.
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Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für M21012 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | M21012G-12 |
|---|---|---|
| Brand | MACOM Technology Solutions | MACOM Technology Solutions |
| Package | 72-QFN (10x10) | 72-QFN (10x10) |
| Product Type | Quad multi-rate CDR array | Quad multi-rate CDR |
| Channel Count | 4 independent channels | Quad CDR; detailed channel specification not supplied |
| Data Rate | 42 Mbps to 3.2 Gbps per channel | Family listing identifies 42 Mbps to 3.2 Gbps; exact variant verification required |
| Operating Figure | Exact M21012 operating frequency not supplied | 800 MHz |
| Output Count | Exact M21012 output count not supplied | 1 output |
| Application Association | Multi-lane telecom and datacom | Fiber channel, Gigabit Ethernet, and SONET |
Wichtigste Unterscheidungsmerkmale
- Quad independent recovery architecture (vs. M21012G-12)
- Multi-rate coverage (vs. M21012G-12)
- Telecom and datacom positioning (vs. M21012G-12)
Designhinweise
Use controlled-impedance routing for every high-speed data and reference-clock connection, and keep the CDR close enough to the receiver interface that loss and jitter are not allowed to accumulate before recovery. The verified data confirms a 3.2 Gbps maximum rate for the M21012, but it does not provide rise-time, jitter, impedance, or channel-loss limits. Confirm those values from the complete datasheet and simulate the complete transceiver-to-CDR channel before release.
Do not copy a layout solely from the M21012G-12 distributor description. The supplied data identifies that related listing as a 72-QFN 10 mm by 10 mm device but does not provide the M21012 pinout, exposed-pad arrangement, or reference design. Verify the official land pattern, preserve uninterrupted return paths, route clock inputs away from noisy data transitions, and follow MACOM's recommended decoupling and grounding arrangement.
The M21012, M21012G-12, and M21012-12 are related names in the search results, but their exact ordering codes must not be treated as interchangeable without manufacturer confirmation. Check the package suffix, supported rate range, protocol mode, reference clock, output arrangement, and supply requirements. A distributor snippet describing one related variant is not sufficient evidence for a drop-in substitution or for the exact M21012 pinout.
Plan the power network using the exact supply voltage and current limits from the manufacturer documentation, which are not included in the supplied data. Place bypass capacitors at the device power pins according to the official reference design, maintain a low-impedance ground return, and isolate high-current switching paths from reference-clock and data inputs. Estimated: regulator or CDR power dissipation equals supply voltage multiplied by actual operating current; use that estimate only after the electrical limits are confirmed.
Compliance-Informationen
The supplied verified excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-mineral status. Confirm compliance with MACOM or the current manufacturer documentation before procurement.
