LTC4300-2CMS8#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock

Name: LTC4300-2CMS8#PBF
Brand: Analog Devices
SKU: LTC4300-2CMS8#PBF
Availability: InStock

Analog Devices LTC4300-2CMS8#PBF is a hot-swappable 2-wire I2C/SMBus bus buffer that isolates capacitance and enables live-insertion of cards without corrupting the bus, packaged in an 8-pin MSOP for compact designs.

NOT RECOMMENDEDIntegrated CircuitVerified Jun 2026

Package / Visual Reference

LTC4300-2CMS8#PBFSmall Outline Packages

Quick Facts

Manufacturer: Analog Devices
Package: Small Outline Packages
Pin Count: 8
Lifecycle: NOT RECOMMENDED
Datasheet: LTC4300-2CMS8#PBF Datasheet PDF
Category: Integrated Circuit
Price: From $2.4500(MOQ 19)
Temp Range: ?°C to 70.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of LTC4300-2CMS8#PBF?

Hot-swap capability allows live card insertion and removal on I2C/SMBus without corrupting bus transactions or glitching SCL/SDA
Bidirectional 2-wire buffer isolates downstream bus capacitance, extending fan-out beyond standard 400 pF I2C limit
8-pin MSOP package enables tight integration on backplane management or server blade power-management circuits

What is LTC4300-2CMS8#PBF used for?

The LTC4300-2CMS8#PBF is used in server blade management, hot-plug PCI and PCIe accessory cards, and telecom line-card platforms where I2C or SMBus devices must be added or removed while the system bus remains active. Its capacitance isolation ensures that inserting a card loaded with multiple I2C peripherals does not overload the main bus, preserving signal integrity for all connected devices.

What are the specifications of LTC4300-2CMS8#PBF?

Pbfree Code	No
Manufacturer Package Code	05-08-1660
YTEOL	3
Adjustable Threshold	NO
Analog IC - Other Type	HOT SWAP CONTROLLER
JESD-30 Code	S-PDSO-G8
JESD-609 Code	e3
Number of Channels	1
Number of Functions	2
Package Body Material	PLASTIC/EPOXY
Package Shape	SQUARE
Package Style	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Supply Voltage-Max (Vsup)	5.5V
Supply Voltage-Min (Vsup)	2.7V
Supply Voltage-Nom (Vsup)	3.3V
Surface Mount	YES
Technology	CMOS
Temperature Grade	COMMERCIAL
Terminal Finish	Matte Tin (Sn) - annealed
Terminal Form	GULL WING
Terminal Pitch	0.65mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Package	Small Outline Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.01
Country of Origin	Malaysia

Where can I find the LTC4300-2CMS8#PBF datasheet?

LTC4300-2CMS8#PBF Datasheet Download

Official datasheet from Analog Devices

What are equivalent replacements for LTC4300-2CMS8#PBF?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

How does the LTC4300-2CMS8#PBF enable hot-swap insertion on an active I2C bus without corrupting existing transactions?

The LTC4300-2CMS8 connects to the upstream bus only after the downstream card voltage has risen and stabilized, using an internal power-on sequencing circuit that delays the bus connection by approximately 5 µs to 10 µs. This prevents the card's bus capacitance from pulling SCL or SDA low during insertion, which would look like a START condition and corrupt an in-progress transaction.

What is the maximum downstream bus capacitance the LTC4300-2CMS8 can buffer, and how does it extend I2C fan-out?

The LTC4300-2CMS8 isolates the downstream bus, allowing the downstream segment to carry up to several hundred pF of capacitance from multiple slave devices without violating the 400 pF limit seen by the upstream master. This effectively allows system designers to connect 8 to 16 additional I2C peripherals on the downstream side while the upstream bus remains compliant with 400 kHz Fast Mode timing.

In which server or telecom infrastructure designs is the LTC4300-2CMS8#PBF commonly deployed?

This bus buffer is commonly used on ATCA and MicroTCA blade server management buses, hot-plug hard drive backplanes, and telecom chassis SMBus architectures where field-replaceable line cards must connect to a live I2C management network. The 8-pin MSOP package allows placement directly on the card-edge power management circuit within a few millimeters of the board connector.

What supply voltage range does the LTC4300-2CMS8 support, and is it compatible with both 3.3 V and 5 V I2C systems?

The LTC4300-2 operates from a 2.7 V to 5.5 V supply and supports both 3.3 V and 5 V logic levels on the bus pins, making it compatible with legacy 5 V SMBus systems as well as modern 3.3 V I2C networks. This dual-voltage compatibility allows a single part to bridge between 5 V backplane buses and 3.3 V blade management controllers without level-shifting hardware.

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AvailabilityIn Stock

Reference Price (USD)

From $2.4500

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
19+	$3.2500	$61.75
250+	$2.8574	$714.36
500+	$2.6625	$1331.25
1000+	$2.4500	$2450.00

pcs

Unit price: $3.2500 · Total: $61.75

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Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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Procurement Manager, VoltEdge Energy, India

LTC4300-2CMS8#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock

What are the key features of LTC4300-2CMS8#PBF?

What is LTC4300-2CMS8#PBF used for?

What are the specifications of LTC4300-2CMS8#PBF?

Compliance & Regulatory

Where can I find the LTC4300-2CMS8#PBF datasheet?

What are equivalent replacements for LTC4300-2CMS8#PBF?

Frequently Asked Questions

How does the LTC4300-2CMS8#PBF enable hot-swap insertion on an active I2C bus without corrupting existing transactions?

What is the maximum downstream bus capacitance the LTC4300-2CMS8 can buffer, and how does it extend I2C fan-out?

In which server or telecom infrastructure designs is the LTC4300-2CMS8#PBF commonly deployed?

What supply voltage range does the LTC4300-2CMS8 support, and is it compatible with both 3.3 V and 5 V I2C systems?

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