SI5315A-C-GM

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SI5315A-C-GM

IC CLK MULT 8KHZ-644.53MHZ 36QFN

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Specifications

Supplier Skyworks Solutions Inc.
Package Tray
Series DSPLL®
ProductStatus Active
PLL No
MainPurpose Ethernet, SONET/SDH/PDH, Telecom
Input CML, CMOS, LVDS, LVPECL
Output CML, CMOS, LVDS, LVPECL
NumberofCircuits 1
Ratio-Input:Output 2:2
Differential-Input:Output Yes/Yes
Frequency-Max 644.53MHz
Voltage-Supply 1.71V ~ 3.63V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 36-VFQFN Exposed Pad

Overview

Description

SI5315A-C-GM is a Silicon Labs programmable clock generator / jitter cleaner. It takes a reference clock and, under I2C control, generates one or more clean output clocks with configurable frequency and timing. It uses a fractional-N PLL/DLL architecture to synthesize system clocks for CPUs, FPGAs, memory interfaces, SerDes, etc., replacing crystals or fixed oscillators. The A-C-GM suffixes denote device revision and package code (GM indicates RoHS-compliant packaging). Key features typically include multiple outputs, programmable drive strength, jitter reduction, spread-spectrum options, and various power‑down/synchronization modes. For exact performance, output counts, timing specs, and the register map, see the Si5315A datasheet and product page.

Features

Key features of SI5315A-C-GM (concise):
- Dual-output, I2C-programmable clock generator/jitter cleaner
- Two independent outputs (CLK0 and CLK1) derived from a common reference
- Flexible frequency synthesis via programmable PLL/multiply/divide (including fractional-N)
- Jitter cleaning to improve phase noise of the reference
- Reference input supports external crystal or oscillator
- Spread-spectrum clocking option to reduce EMI
- Configurable via 2-wire I2C interface; status and lock indicators available
- Output enable, power-down and fault/lock detection features
- Small RoHS-compliant package (GM suffix, standard industrial-temp range)
Note: For exact voltage ranges, temperatures, and package details, refer to the specific datasheet.

Package

8-pin MSOP package (3×3 mm) with exposed pad.

Pinout

- Pin count: 16 pins (QFN package, GM suffix).
- Function: Programmable clock generator/jitter cleaner. It accepts a reference clock and, via I2C programming, generates one or more low-jitter output clocks (clock synthesizer/PLL with multiple outputs).

Manufacturer

- Manufacturer: Silicon Labs (Silicon Laboratories)
- What kind of company: A fabless semiconductor company that designs and markets integrated circuits (e.g., timing/clocking devices) for IoT, automotive, and consumer electronics.

Application

SI5315A-C-GM is a programmable clock generator/PLL with jitter-cleaning. Common applications include:
- Clock generation for CPUs, FPGAs, and ASICs
- SerDes clocking for PCIe, SATA, USB, Ethernet, SGMII
- Memory/storage timing and data-path clocks
- Telecom/backplane timing networks
- Test and measurement equipment requiring low-jitter references
- Embedded systems needing programmable frequency synthesis from a reference

Equivalent

Direct equivalents for SI5315A-C-GM aren’t published; cross-references depend on features. Possible substitutes from other vendors include Cirrus Logic CDCE-series clock generators, IDT multi-output clock families (e.g., 5D/6N/6D), or other Silicon Labs Si53x clock generators with matching outputs and jitter specs. To identify an exact replacement, provide: input reference frequency, number of outputs, output types, max output frequency, jitter, supply voltage, packaging.

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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