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Skyworks Solutions Inc. SI5332BD15702-GM1
- Part No.:
- SI5332BD15702-GM1
- Manufacturer:
- Skyworks Solutions Inc.
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
SI5332BD15702-GM1.pdf
- Description:
- LOW JITTER, 6-OUTPUT, ANY-FREQUE
- Quantity:
- Payment:
- Shipping:
Inventory:4,230
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Product details
Overview
SI5332BD15702-GM1 from Skyworks is a 6-output, any-frequency programmable clock generator with MultiSynth™ fractional synthesis, delivering 190 fs RMS phase jitter (external crystal), 5–333.33 MHz differential output range, and user-configurable LVDS/LVPECL/HCSL/LVCMOS signal formats per output. It serves as a high-precision clock tree synthesizer in PCIe Gen1–6-compliant server and networking systems.
For engineers reviewing the SI5332BD15702-GM1 datasheet, SI5332BD15702-GM1 pinout, SI5332BD15702-GM1 application, or SI5332BD15702-GM1 equivalent, key selection criteria include its 32-pin QFN package, embedded NVM configuration support, dual MultiSynth paths, five independent integer dividers, and hardware input pin configurability via ClockBuilder Pro.
Technical Context
The SI5332BD15702-GM1 implements a wideband PLL coupled with two independent MultiSynth fractional synthesis blocks and up to five integer dividers, enabling simultaneous generation of non-integer-related frequencies across six differential outputs. Its cross-point mux routes any synthesized or divided frequency to any output path.
It operates in free-run mode using an external 16–50 MHz crystal (XA/XB pins) or synchronous mode using differential/LVCMOS input clocks (CLKIN_2/CLKIN_2#). Output banks are isolated by individual VDDO pins-six dedicated supplies for six outputs-supporting mixed-voltage operation (1.5/1.8/2.5/3.3 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output count | 6 differential clock outputs, each with dedicated VDDO supply pin |
| Jitter (RMS) | 190 fs RMS (measured with external crystal reference) |
| Output frequency range | 5–333.33 MHz differential; supports integer and fractional synthesis |
| Input reference | External crystal: 16–50 MHz at XA/XB; no embedded crystal (Si5332D grade) |
| Signal formats | Per-output configurable: LVDS, LVPECL, HCSL, or LVCMOS |
| Synthesis architecture | Dual MultiSynth fractional paths + five independent integer dividers (÷1–63) |
| Interface | I²C serial interface (SCLK/SDATA) for runtime reconfiguration |
Pinout & Package
SI5332BD15702-GM1 is housed in a 5×5 mm, 32-pin QFN package (RoHS-6 compliant, exposed thermal pad). Pin functions are defined per the Si5332 32-pin QFN pinout specification in the official datasheet (Section 6.3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT0 / OUT0b | Differential clock output pair | Configurable format (LVDS/LVPECL/HCSL); driven by MultiSynth0, MultiSynth1, INT divider, or reference clock via cross-point mux |
| VDDO0 | Output supply | Independent 1.5/1.8/2.5/3.3 V supply for OUT0/OUT0b; enables mixed-signal voltage domains |
| XA / XB | Crystal oscillator interface | Connects external 16–50 MHz fundamental-mode crystal; internal CL tuning (2.5–21.5 pF) |
| CLKIN_2 / CLKIN_2# | Differential input clock | Accepts 10–250 MHz LVPECL/LVDS/HCSL; used for synchronous mode operation |
| SCLK / SDATA | I²C interface | Standard two-wire bus for register access, configuration upload, and in-system programming |
| IN1–IN5 | Universal hardware inputs | Configurable in ClockBuilder Pro as OE, spread-spectrum enable, input select, or profile select |
Key Features
| Feature | Design Value |
|---|---|
| Any-frequency synthesis | Generates precise non-integer-related frequencies up to 333.33 MHz on all 6 outputs with 0 ppm error |
| Cross-point output mux | Routes any MultiSynth or integer-divided source to any output-enabling flexible clock tree mapping |
| Multi-profile NVM storage | Stores up to 16 complete configurations; enables glitchless on-the-fly frequency switching between profiles |
| Spread spectrum control | Programmable down/center spread (0.1–2.5% in 0.01% steps at 30–33 kHz) to reduce EMI |
| PCIe Gen1–6 compliance | Meets jitter, slew rate, and spectral mask requirements for all generations including SRIS |
Applications
| Server Clock Distribution | Enterprise Ethernet Switch |
|---|---|
Use Scenario: Generating synchronized 100 MHz, 156.25 MHz, and 312.5 MHz clocks for CPU, memory controller, and PCIe root complex in dual-socket x86 servers. IC Role / Device Role / Timing Role: Single-chip clock tree synthesizer replacing discrete oscillators and fanout buffers. Use Value: Eliminates inter-clock skew, reduces BOM count by ≥4 components, and ensures PCIe Gen5/6 compliance via sub-200 fs jitter. | Use Scenario: Providing 250 MHz SerDes reference, 125 MHz management PHY clock, and 10 MHz system watchdog timing in 1RU L3 switches. IC Role / Device Role / Timing Role: Multi-format, multi-voltage clock source supporting mixed-supply SerDes, PHY, and control logic. Use Value: Enables independent 1.8 V (SerDes), 2.5 V (PHY), and 3.3 V (management) output supplies-no level-shifting required. |
| Small Cell Baseband Unit | Test & Measurement Instrument |
Use Scenario: Delivering 30.72 MHz, 122.88 MHz, and 245.76 MHz clocks to ADC/DAC, FPGA fabric, and RF transceiver in 4G/5G O-RAN units. IC Role / Device Role / Timing Role: Low-jitter, field-programmable clock generator supporting rapid frequency reconfiguration during band-switching. Use Value: Dual MultiSynth paths allow concurrent synthesis of baseband and RF sampling clocks-no external PLL needed. | Use Scenario: Supplying 10 MHz reference, 100 MHz sampling clock, and 1 GHz internal synthesizer LO in modular PXIe digitizers. IC Role / Device Role / Timing Role: High-stability, software-defined timing engine with I²C reprogrammability for calibration and test sequence changes. Use Value: Factory-programmed NVM stores calibrated profiles; field updates via I²C eliminate hardware respins during firmware upgrades. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable clock generator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Si5332AD15702-GM1 | Same 32-pin QFN package and 6-output architecture, but Si5332A grade supports full 5–333.33 MHz range in both integer and fractional modes; SI5332BD15702-GM1 (Si5332D grade) is integer-mode only. | Required where non-integer ratios (e.g., 133.33 MHz, 161.1328125 MHz) must be synthesized directly-not via integer division of higher base rates. | Select Si5332AD15702-GM1 if fractional synthesis is mandatory; otherwise SI5332BD15702-GM1 offers cost-optimized integer-only operation. |
| LMK04832RHAT | 14-output JESD204B-optimized clock jitter cleaner with integrated dual-loop PLL; higher power, larger 40-pin WQFN package; 115 fs RMS jitter (lower than SI5332BD15702-GM1's 190 fs). | Targeted at high-speed data converter timing (JESD204B/C), not general-purpose clock tree synthesis; requires external loop filter and more layout complexity. | Choose LMK04832RHAT only when ultra-low jitter cleaning (<120 fs) and deterministic latency for ADC/DAC synchronization are required. |
Compared with Si5332AD15702-GM1, SI5332BD15702-GM1 trades fractional synthesis capability for lower cost and reduced configuration complexity in integer-only clock trees; versus LMK04832RHAT, it provides higher integration (no external loop filter), smaller footprint, and broader signal format flexibility-but at higher jitter and without jitter cleaning functionality.
Availability
SI5332BD15702-GM1 is available at Aetrix Electronics and suitable for server motherboard design, enterprise switch timing, small cell baseband units, and automated test equipment requiring stable component supply and long-term lifecycle support.
Supply support for SI5332BD15702-GM1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Skyworks Solutions is a global semiconductor company specializing in analog and mixed-signal connectivity solutions for infrastructure, automotive, and mobile markets.
The Si5332 family was designed to replace multiple fixed-frequency clocks and oscillators with a single, software-configurable, low-jitter clock generator for high-speed digital systems-including PCIe, Ethernet, and wireless infrastructure.
FAQ
What is the maximum differential output frequency supported by the SI5332BD15702-GM1?
The SI5332BD15702-GM1 supports differential output frequencies from 5 MHz to 333.33 MHz. This range applies to all six differential outputs and is achievable in integer synthesis mode-the operational mode of the Si5332D-grade device. The upper limit is constrained by the MultiSynth architecture and output driver bandwidth, not by package or thermal limits.
Does the SI5332BD15702-GM1 include an embedded crystal?
No, the SI5332BD15702-GM1 does not include an embedded crystal. It belongs to the Si5332D grade, which requires an external 16–50 MHz fundamental-mode crystal connected to the XA/XB pins. Embedded crystal variants (e.g., Si5332E/F/G/H/L) are separate part numbers and use a factory-integrated 50 MHz MEMS crystal.
How many independent integer dividers does the SI5332BD15702-GM1 provide?
The SI5332BD15702-GM1 provides up to five independent integer dividers, each configurable from ÷1 (bypass) to ÷63 in even steps. These dividers operate downstream of the MultiSynth blocks and reference clock path, enabling additional synchronous frequency derivation without impacting jitter accumulation from fractional synthesis.
Can the SI5332BD15702-GM1 generate different output voltages simultaneously?
Yes, the SI5332BD15702-GM1 supports simultaneous mixed-supply operation: each of its six differential outputs has a dedicated VDDO pin, configurable independently for 1.5 V, 1.8 V, 2.5 V, or 3.3 V. This allows driving LVCMOS loads at 1.8 V while supplying LVPECL outputs at 3.3 V-eliminating external level shifters in heterogeneous timing systems.
Is the SI5332BD15702-GM1 pin-compatible with other Si5332 variants?
The SI5332BD15702-GM1 uses the 32-pin QFN package and shares identical pinout with all other Si5332-GM1 variants (e.g., Si5332AD15702-GM1, Si5332CD15702-GM1). However, functional compatibility depends on grade-specific features: Si5332D supports integer-mode only, whereas Si5332A/C support fractional synthesis. Pin-to-pin replacement is physically possible but requires verification of configuration and feature alignment.
SI5332BD15702-GM1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- MultiSynth™
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Type:
- Clock Generator
- PLL:
- Yes
- Input:
- Clock, Crystal, LVCMOS
- Output:
- HCSL, LVCMOS, LVDS, LVPECL
- Number of Circuits:
- 1
- Ratio - Input:Output:
- 2:6
- Differential - Input:Output:
- Yes/Yes
- Frequency - Max:
- 200MHz
- Divider/Multiplier:
- Yes/No
- Voltage - Supply:
- 1.71V ~ 3.63V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 32-QFN (5x5)
SI5332BD15702-GM1 FAQ
1.How can I place an order for SI5332BD15702-GM1 through Aetrix?
Please submit a Request for Quotation (RFQ) for SI5332BD15702-GM1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SI5332BD15702-GM1 reliable?
The price and inventory of SI5332BD15702-GM1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI5332BD15702-GM1 is usually 5 days.
3.What payment methods are accepted for SI5332BD15702-GM1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI5332BD15702-GM1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI5332BD15702-GM1?
SI5332BD15702-GM1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI5332BD15702-GM1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SI5332BD15702-GM1?
For technical support, including SI5332BD15702-GM1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI5332BD15702-GM1 requirements.
6.How does Aetrix verify that SI5332BD15702-GM1 is sourced from the original manufacturer or authorized distributors?
All SI5332BD15702-GM1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SI5332BD15702-GM1 meets industry standards.
7.What is the process for return or replacement of SI5332BD15702-GM1?
All SI5332BD15702-GM1 units undergo pre-shipment inspection (PSI). If there is an issue with SI5332BD15702-GM1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SI5332BD15702-GM1 part is unused and in its original packaging.
Return procedure for SI5332BD15702-GM1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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