SI5342B-D-GM

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SI5342B-D-GM

IC JITTER ATTENUATOR/MULTIPLEXER

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Spécifications

Supplier Skyworks Solutions Inc.
Package Tray
ProductStatus Active
PLL Yes
Input LVCMOS, LVDS, LVPECL, Crystal
Output CML, HCSL, LVCMOS, LVDS, LVPECL
NumberofCircuits 1
Ratio-Input:Output 5:2
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

Vue d'ensemble

Description

Si5342B-D-GM is Silicon Labs’ jitter-cleaning, programmable clock generator. It takes a reference clock (XIN) and produces multiple low-jitter output clocks at programmable frequencies, using internal PLLs/MultiSynth engines. Features typically include I2C control for dynamic frequency changes, spread-spectrum support, and options for holdover. The suffix "-B" denotes a device revision, while "D-GM" encodes package/grade specifics (packaging, RoHS, etc.). It’s used to generate clean clock sources for high-speed PHYs, data converters, networking, PCIe/USB/HDMI interfaces, and other systems that require precise, configurable clocks. For exact output counts, frequency ranges, jitter performance, supply voltages, and package details, consult the Si5342 datasheet and the ClockBuilder Pro design tool.

Features

Key features of SI5342B-D-GM:
- Any-Rate, Any-Output clock generator with multiple outputs (up to 8 configured outputs from a single reference).
- Two programmable PLLs with fractional-N synthesis for flexible, precise frequency generation.
- Flexible reference input: supports crystal or external reference sources (ref clock can be used to derive all outputs).
- Output format versatility: drives can be configured as LVCMOS, LVDS, LVPECL, CML/HCSL; programmable drive strength and slew per output.
- I2C control interface for full dynamic programming; non-volatile memory stores configuration for quick re-load.
- Jitter and EMI features: low jitter performance, optional spread-spectrum clocking to reduce EMI.
- Power management and monitoring: individual output enable/power-down, lock detect, fault/status monitoring.
- Industrial temperature range and RoHS-compliant package: -40°C to +85°C; package variant -GM.
Note: See datasheet for exact pinout, voltage rails, and supported reference frequencies.

Package

A 32‑pin QFN package (5×5 mm).

Pinout

- Pin count: 24-pin QFN (GM RoHS package)
- Function: High‑precision clock generator/distributor with jitter‑attenuating PLLs; produces multiple low‑jitter clock outputs from a reference clock, controllable via I2C.

Manufacturer

Manufacturer: Silicon Labs (Silicon Laboratories, Inc.). It is a fabless semiconductor company that designs and sells mixed-signal integrated circuits, including clock generation and timing devices for embedded systems.

Application

Si5342B-D-GM is a high-performance, multi-output clock generator and jitter cleaner. It accepts one reference clock and provides multiple low-jitter outputs with programmable frequencies. Typical applications: clock generation/distribution for FPGAs/ASICs; high-speed SerDes interfaces (PCIe, SATA, USB, Ethernet, HDMI); telecom and data-communications timing networks; servers/data centers; test/measurement equipment; automotive/industrial timing environments.

Equivalent

There isn’t an exact one‑to‑one substitute for SI5342B-D-GM. Closest options:
- Within Silicon Labs: other Si534x clock generators (e.g., Si5341/Si5342/Si5344 variants) with similar interfaces.
- Cross reference: IDT ICS5342 (and related ICS parts) designed for multi-output clock generation.
For a true drop‑in, compare output count, frequencies, jitter, power, packaging, and I2C control; use distributor cross-reference tools to confirm replacements.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

Payment Methods

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