BCM8125BKFB - 10Gbps 1:16 Demultiplexer | Broadcom
MPN: BCM8125BKFB ✓ פעילBCM8125BKFB סקירה
A demultiplexer is a digital signal-routing device that converts one serial communication path into multiple parallel channels. Within the broader hierarchy, the BCM8125BKFB is a communication and networking interface IC, a semiconductor, and a high-speed signal-processing component. It belongs to the transceiver-interface family rather than a general-purpose processor, memory device, or conventional analog amplifier. The integrated CDR and limiting-amplifier stages support systems in which incoming high-speed serial data must be distributed to multiple parallel paths.
The verified source material identifies the device as a fully integrated single-chip Ethernet solution and confirms the principal 10 Gbps operating rate and 1:16 demultiplexing ratio. Those two characteristics define its core engineering value: one 10 Gbps input can be divided into 16 recovered outputs instead of requiring sixteen separate external demultiplexing stages. The exact electrical limits, pin assignments, dimensions, power ratings, and operating-temperature limits are not included in the supplied records and must be confirmed in the manufacturer datasheet before schematic or layout release.
Potential uses include high-throughput network aggregation, backplane signal distribution, data-center interconnect equipment, optical-transceiver signal conditioning, and test systems that must observe multiple lower-speed lanes derived from one high-speed stream. In these applications, the device can reduce component count and standardize clock recovery and limiting-amplifier behavior close to the source of the serial data.
The key design requirement is to preserve the integrity of the 10 Gbps serial link while routing 16 recovered outputs. Board implementation should use controlled-impedance transmission lines, short high-speed traces, careful return-path planning, and manufacturer-recommended power and ground connections. Because the supplied records do not expose a verified pinout or package dimensions, the exact land pattern, decoupling network, and I/O standard must be taken directly from the Broadcom datasheet rather than inferred from distributor descriptions.
This page distinguishes verified facts from unresolved engineering details and combines source-backed identification, purchasing information, application guidance, and replacement-analysis guidance. It also records that the supplied cross-reference search did not identify a defensible same-package pin-compatible replacement, preventing an unsupported drop-in claim.
חלופות תחליף ישיר עבור BCM8125BKFB — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
אין חלופות תואמות Drop-in עבור מוצר זה.
בקשת חלופותBCM8125BKFB דירוגים מרביים ומאפיינים חשמליים
| Product Type | 10 Gbps 1:16 demultiplexer with CDR and limiting amplifier |
| Manufacturer | Broadcom |
| קצב נתונים | 10 Gbps |
| Demultiplex Ratio | 1:16 |
| Clock and Data Recovery | Integrated CDR |
| Signal Conditioning | Integrated limiting amplifier |
| Integration Level | Fully integrated single chip |
| Application Classification | Ethernet communication and networking IC |
מדריך תצורת פינים של BCM8125BKFB standard
תצורת פינים עבור BCM8125BKFB (מארזת standard). רכיב אנלוגי זה כולל פיני כניסה, יציאה ואספקת מתח. יש לעיין בגיליון הנתונים של היצרן לתצורות פיני איפוס היסט, פיצוי והפעלה. אידיאלי למעגלי עיצוב אותות ומגברים.
אין נתוני פריסת פינים מפורטים עבור BCM8125BKFB.
עיינו ב- גיליון נתונים עבור תצורת פינים מלאה.
יישומים טיפוסיים
BCM8125BKFB מתאים עבור 6 יישוםs: High-Speed Network Aggregation, Data-Center Interconnect, Backplane Signal Distribution, Optical-Transceiver Signal Conditioning, High-Speed Test and Measurement, Industrial Communication Equipment.
High-Speed Network Aggregation
The BCM8125BKFB fits network aggregation equipment that must accept one high-speed serial stream and distribute it across 16 recovered paths. Its verified 10 Gbps 1:16 demultiplexing ratio, integrated CDR, and limiting amplifier provide the core signal-distribution functions. The device can therefore serve as the central fan-out stage between a high-speed uplink and multiple downstream lanes. Because the supplied records do not specify the physical lane standard or power requirements, the design must confirm those details in the Broadcom manufacturer datasheet before selecting terminations, clocking, and board-layer constraints.
מומלץ
Data-Center Interconnect
The BCM8125BKFB is appropriate for data-center interconnect equipment requiring one serial data path to be recovered and divided into 16 outputs. The verified 10 Gbps rate and fully integrated single-chip implementation can simplify signal-chain partitioning compared with a collection of separate demultiplexer and recovery blocks. Key engineering considerations include reference-clock quality, return-loss margins, and the relationship between the 10 Gbps serial input and each recovered output. Those electrical details are not present in the supplied excerpts, so hardware evaluation should use the manufacturer datasheet and layout guidance.
מומלץ
Backplane Signal Distribution
BCM8125BKFB can support backplane designs that fan a 10 Gbps serial stream into 16 recovered lanes. Its integrated CDR and limiting amplifier are directly relevant to maintaining usable signal timing across a distribution point. The implementation should use a continuous reference plane, short high-speed escape paths, and controlled-impedance routing to prevent the 10 Gbps input from accumulating unintended reflections. Exact lane rates, termination methods, and timing margins remain unresolved in the supplied data and must be verified from the Broadcom manufacturer datasheet before fabrication.
מומלץ
Optical-Transceiver Signal Conditioning
The BCM8125BKFB can be evaluated for optical-transceiver systems in which a recovered high-speed serial stream must be divided into multiple parallel paths. The integrated limiting amplifier and CDR are the key verified features for this signal-conditioning role, while the 1:16 ratio enables one source to feed sixteen recovered outputs. Selection should include checking the exact lane electrical standard, reference-clock requirements, and allowable jitter. These parameters are not stated in the supplied records, preventing a final interface-level qualification without the manufacturer datasheet.
מומלץ
High-Speed Test and Measurement
BCM8125BKFB is relevant to test systems that need to divide a 10 Gbps serial source into 16 observable recovered outputs. Its verified 1:16 demultiplexing ratio permits parallel monitoring or distributed analysis without sixteen independent high-speed input stages. The fully integrated single-chip construction may simplify synchronization across channels because CDR and limiting-amplifier functions are part of the device. Instrumentation engineers must still confirm output timing, amplitude criteria, reference-clock behavior, and package thermal performance using the Broadcom manufacturer datasheet because these values are absent from the supplied sources.
מומלץ
Industrial Communication Equipment
The BCM8125BKFB can serve in industrial communication equipment that receives a high-speed serial link and needs multiple synchronized data paths. Its verified 10 Gbps operation and integrated CDR provide a clear fit for demanding backplane or aggregation functions, while the limiting amplifier helps condition the incoming signal. Industrial designers should pay particular attention to the unresolved operating-temperature range, supply-voltage limits, and package details. These must be taken directly from the Broadcom manufacturer datasheet before the IC is approved for factory, transportation, or other extended-temperature equipment.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור BCM8125BKFB — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה |
|---|---|
| Product Type | 10 Gbps 1:16 demultiplexer with CDR and limiting amplifier |
| Brand | Broadcom |
| Data Rate | 10 Gbps |
| Demultiplex Ratio | 1:16 |
| Clock and Data Recovery | Integrated |
| Limiting Amplifier | Integrated |
| Integration | Fully integrated single chip |
| Listed Stock | 2,000 units as of 2026-10-29 |
| Listed Minimum Order Quantity | 1 unit |
מבדילים עיקריים
- Integrated one-to-sixteen high-speed demultiplexing (לעומתNo verified drop-in alternative was identified)
- Clock recovery and signal conditioning in the same device (לעומתNo verified drop-in alternative was identified)
- Fully integrated single-chip implementation (לעומתNo verified drop-in alternative was identified)
הערות תכנון
Treat the 10 Gbps input as a controlled-impedance transmission line with a continuous return path and no unnecessary stubs. The BCM8125BKFB combines demultiplexing, CDR, and limiting-amplifier functions, so its reference and power paths are part of the high-speed signal environment rather than ordinary low-frequency support circuitry. Use the manufacturer layout guidance for differential impedance, via construction, return vias, and connector escape geometry; these values are not present in the supplied excerpts and should not be guessed.
Keep the high-speed input and any clock or decoupling connections as short as the package and board architecture permit. Place bypass components close to the relevant supply pins using the manufacturer-prescribed network, and provide a low-impedance ground reference beneath the device when the package drawing includes an exposed thermal pad. The exact package, pin assignments, and exposed-pad requirements remain unavailable in the verified records, so schematic and footprint release must wait for the authoritative Broadcom datasheet.
Do not interpret the $0.0000 listing from Dasenic as a guaranteed procurement price or use the generic cross-reference search results as proof of interchangeability. As of 2026-10-29, the listing reports 2,000 units in stock and a minimum order quantity of 1, but the quote must be confirmed. Likewise, a replacement is not drop-in compatible until its package, pin mapping, data rates, CDR behavior, lane electrical standard, and supply requirements have all been compared with the Broadcom manufacturer datasheet.
Calculate power dissipation after the supply voltage, output-interface voltage, and output loading are confirmed from the manufacturer datasheet. Estimated: Pdissipated equals the total supply current multiplied by the difference between supply voltage and output voltage, but the required current and voltage values are not present in the supplied data, so no numerical estimate is justified. Use the verified package drawing and thermal information to determine whether exposed-pad copper or additional cooling is required.
מידע על תאימות
The supplied verified records identify the manufacturer, function, 10 Gbps rate, 1:16 ratio, CDR, limiting amplifier, distributor listings, stock statement, and quote. They do not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations.