SI5346B-B-GM

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SI5346B-B-GM

IC CLK BUFFER PLL 44QFN

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Specifications

Supplier Skyworks Solutions Inc.
Package Tray
ProductStatus Obsolete
PLL Yes
Input LVCMOS, LVDS, LVPECL, Crystal
Output CML, HCSL, LVCMOS, LVDS, LVPECL
NumberofCircuits 1
Ratio-Input:Output 5:4
Differential-Input:Output Yes/Yes
Frequency-Max 350MHz
Divider/Multiplier Yes/No
Voltage-Supply 1.71V ~ 3.47V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 44-VFQFN Exposed Pad

Overview

Description

SI5346B-B-GM is Silicon Labs’ high-performance clock generator / jitter cleaner. It takes a reference clock (or two) and uses an integrated PLL-based synthesizer to produce multiple, phase-aligned output clocks. Key points:
- Multi-output clock generator with programmable frequencies from a single reference
- Jitter attenuation / clean clock outputs suitable for high-speed SERDES, FPGA, and memory interfaces
- Fractional- or integer-N synthesis options, plus spread-spectrum for EMI control
- I2C control interface for configuring outputs, drive strength, enable/disable, and other options
- Flexible output standards and voltage levels (programmable per-output)
- Useful for clocking SoCs/FPGA systems, networking PHYs, and other multi-domain clocking needs
- Package suffix -GM indicates the specific RoHS-compliant package variant
Design flow (high level): select reference, determine required output frequencies, use ClockBuilder Pro to generate register settings, program via I2C, then route multiple clean clocks to the system.

Package

SI5346B-B-GM is in an 8-pin MSOP package (MSOP-8), RoHS-compliant. Package code: GM.

Pinout

- Pin count: 28-pin QFN (Si5346B-B-GM variant)
- Function: Any-Output, Zero-Delay Clock Multiplier/Buffer. It takes a reference clock and generates up to multiple programmable output clocks with low jitter (I2C-controlled).

Manufacturer

- Manufacturer: Silicon Labs (Silicon Laboratories, Inc.)
- What kind of company: A US-based semiconductor company that designs and manufactures integrated circuits, including timing/clock ICs, wireless MCUs, sensors, and other IoT-related IC solutions.

Application

Applications of SI5346B-B-GM include:
- High-performance clock generation and distribution for FPGA/SoC/DSP systems
- SerDes timing for PCIe, SATA, USB, Ethernet
- ADC/DAC sampling clocks and timing alignment
- Telecom/datacom clock networks and backplane timing
- Test & measurement gear needing low-jitter, multi-output clocks from a single reference with I2C control

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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