SI5338M-B05848-GMR

Overview

The SI5338M-B05848-GMR is a programmable quad clock generator from Skyworks Solutions, utilizing MultiSynth technology to synthesize any frequency on four independent output drivers. It supports differential and single-ended formats including LVPECL, LVDS, CML, HCSL, CMOS, SSTL, and HSTL. The device operates with a core supply of 1.8 V, 2.5 V, or 3.3 V and accepts inputs up to 710 MHz. Key electrical parameters include a typical phase jitter of 0.7 ps RMS, a maximum output frequency of 710 MHz for differential outputs, and an operating temperature range of -40 °C to +85 °C.

Feature Summary

• I2C/SMBus programmable with ClockBuilder Pro software
• Low jitter synthesis (0.7 ps RMS typ) with zero ppm accuracy
• Flexible input references: external crystal, CMOS, SSTL/HSTL, or differential
• Independent glitchless frequency and phase adjustment per output

Applications

• PCIe Gen 1/2/3/4 common clock and SRNS
• Ethernet switch/router timing
• Processor and FPGA clocking
• Broadcast video/audio timing

Procurement Notes

Verify the specific factory configuration code B05848 against the official Skyworks ordering guide to ensure correct output frequencies and formats. Confirm package type is QFN-24 and check RoHS compliance status in the latest datasheet revision before procurement.

Selection Notes

Select this part when four independent clock signals with varying frequencies or formats are required from a single component. Ensure the input reference signal matches the supported ranges (up to 710 MHz differential). Validate that the required output voltage levels (1.5V to 3.3V) align with the target load requirements.

Part Context

This component belongs to the Si5338 family of I2C-programmable clock generators. The 'M' suffix typically denotes a specific factory pre-configuration, while 'GMR' indicates tape and reel packaging. It serves as a replacement for multiple discrete oscillators in complex digital systems.

Replacement Considerations

Direct pin-to-pin replacements within the same family include other Si5338 variants with different factory codes (e.g., SI5338A, SI5338B, SI5338Q). Verify that the alternative part number provides the exact same output frequencies and signal formats as the B05848 configuration.