Skyworks Solutions Inc. SI5334C-B04810-GM

Overview

SI5334C-B04810-GM from Skyworks Solutions is a pin-controlled, any-frequency quad clock generator with four independently configurable differential outputs, supporting frequencies up to 350 MHz (and select outputs to 710 MHz), 0.7 ps RMS typical phase jitter, and zero ppm frequency error via MultiSynth synthesis. It operates from 1.8/2.5/3.3 V core supply and accepts 8–30 MHz crystal or 5–710 MHz differential/single-ended reference inputs. It is used in PCIe 3.0 timing, FPGA clocking, and broadcast video systems.

For engineers reviewing the SI5334C-B04810-GM datasheet, SI5334C-B04810-GM pinout, SI5334C-B04810-GM application, or SI5334C-B04810-GM equivalent, key selection criteria include per-output voltage programmability (1.5/1.8/2.5/3.3 V), independent format support (LVPECL/LVDS/HCSL/CMOS/SSTL/HSTL), glitchless 1 ppm frequency increment/decrement on CLK0A/B, and loss-of-signal/loss-of-lock monitoring.

Technical Context

The SI5334C-B04810-GM integrates a fractional-N PLL with on-chip VCO and four independent MultiSynth output dividers, enabling integer and fractional frequency synthesis on each of four differential outputs. Its input stage supports crystal (8–30 MHz) or wide-range AC/DC-coupled clock inputs (5–710 MHz).

Each output driver is fully configurable for signal format, output voltage (1.5/1.8/2.5/3.3 V), and termination, with dedicated VDDOx supplies. The device implements pin-controlled phase adjustment (±45 ns range, 20 ps step) and optional zero-delay mode using external feedback to FDBK/FDBKB pins.

Key Specifications

Pinout & Package

SI5334C-B04810-GM is housed in a 24-lead, 4 mm × 4 mm QFN package with exposed thermal pad (RoHS-compliant, lead-free). Pin assignments are fixed per the Si5334 family layout and validated for this variant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad-output clock generator applications.

Compared with Si5332A-D06880-GM, SI5334C-B04810-GM offers simpler pin-control configuration and broader input reference support but lacks I²C reprogrammability. Compared with ICS8430I-01T, it provides full frequency agility and mixed-signal compatibility at higher complexity and cost.

Availability

SI5334C-B04810-GM is available at Aetrix Electronics and suitable for PCIe 3.0 timing, FPGA clock distribution, and broadcast video applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for SI5334C-B04810-GM 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, with leadership in RF, timing, and precision analog products.

The Si5334 product line delivers pin-configurable, low-jitter clock generators for high-speed digital systems requiring flexible, reliable timing - designed specifically for PCIe, Ethernet, broadcast, and telecom infrastructure.

FAQ

What is the maximum output frequency supported by SI5334C-B04810-GM?

The SI5334C-B04810-GM supports up to 350 MHz on all four differential outputs using LVPECL, LVDS, or HCSL formats. Select frequencies extend to 710 MHz on LVPECL/LVDS outputs, subject to VCO operating constraints (Fvco/4 or Fvco/6). This capability is confirmed in Table 4 of the official Skyworks datasheet Rev. 1.3.

Does SI5334C-B04810-GM support crystal input?

Yes, SI5334C-B04810-GM supports 8–30 MHz fundamental-mode crystals directly connected to IN1/IN2 pins. On-chip load capacitance (11–13 pF) and drive-level control (≤100 µW) are optimized for stability. Crystal specifications are detailed in Tables 6–9 of the Skyworks datasheet Rev. 1.3.

Can SI5334C-B04810-GM generate different output voltages simultaneously?

Yes, SI5334C-B04810-GM supports independent output buffer supplies (VDDO0–VDDO3), allowing simultaneous 1.8 V LVDS, 2.5 V HCSL, 3.3 V CMOS, and 1.5 V SSTL outputs. Each VDDO pin must be decoupled locally, as specified in Section 7 of the Skyworks datasheet Rev. 1.3.

Is SI5334C-B04810-GM pin-compatible with other Si5334 variants?

Yes, all Si5334 variants-including SI5334C-B04810-GM-share identical 24-QFN pinout, electrical characteristics, and functional block diagram. Differences are limited to factory-programmed configuration (frequency plan, output format, voltage), not pin assignment or interface behavior.

What jitter performance does SI5334C-B04810-GM deliver for PCIe 3.0 applications?

SI5334C-B04810-GM delivers 0.15–0.45 ps RMS jitter (10 kHz–50 MHz) in PCIe 3.0 common-clocked mode, meeting the ≤0.45 ps RMS specification. This is measured per Table 10 of the Skyworks datasheet Rev. 1.3 using 100 MHz HCSL outputs and Intel Clock Jitter Tool v1.6.4.