SN74CBT3306CPWRG4In StockTexas Instruments

SN74CBT3306CPWRG4 is a single-bit bus switch IC from Texas Instruments with 5-ohm on-state resistance and -2V undershoot protection, operating on 2.3V to 3.6V supply in TSSOP-8 package. Starting at $1.00/unit, in stock, 1-piece MOQ, ships worldwide.

ACTIVElogicVerified Apr 2026
Package / Visual Reference
SN74CBT3306CPWRG4TSSOP-8
Quick Facts
Manufacturer
Texas Instruments
Package
TSSOP-8
Pin Count
8
Lifecycle
ACTIVE
Category
logic
Price
From $0.1979(MOQ 1)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Applications

Widely used in portable electronics, battery-powered systems, and mixed-voltage bus interfaces. Ideal for data bus isolation, level-controlled signal routing, and hot-swap circuit protection where -2V undershoot immunity is required.

Specifications

Supply Voltage2.3V to 3.6V
On-State Resistance5 ohm (typical)
Operating Temperature-40C to +85C
PackageTSSOP-8
Pin Count8
Logic FamilyCBT
Undershoot Protection-2V
Interface TypeSingle-bit bus switch
PackageTSSOP-8

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)

Datasheet

SN74CBT3306CPWRG4 Datasheet Download

Official datasheet from Texas Instruments

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for SN74CBT3306CPWRG4:

SN74LVC1G66DCKRTexas Instruments

Single SPST switch, SC-70-5 package

View Part →

Frequently Asked Questions

What is the SN74CBT3306CPWRG4 used for?

The SN74CBT3306CPWRG4 is a single-bit bus switch IC used to isolate or connect signal lines in digital systems. It provides -2V undershoot protection, making it ideal for hot-swap applications, mixed-voltage bus interfaces, and battery-powered portable devices.

What package and pin count does the SN74CBT3306CPWRG4 have?

The SN74CBT3306CPWRG4 comes in a TSSOP-8 package with 8 pins. The CPWR suffix indicates cut-tape reel packaging, and G4 denotes RoHS-compliant green construction.

What is the operating voltage range of SN74CBT3306CPWRG4?

The SN74CBT3306CPWRG4 operates on a supply voltage of 2.3V to 3.6V, which makes it compatible with 2.5V and 3.3V logic systems. It supports a wide temperature range of -40C to +85C.

What are good alternatives to SN74CBT3306CPWRG4?

Compatible alternatives include the SN74CBT3306C (same die, different packaging), SN74CB3T3306C (with level translation), and the SN74LVC1G66 (single-switch SPST in smaller package). All offer similar single-bit bus switch functionality with slight differences in voltage range or ESD protection.

Is SN74CBT3306CPWRG4 RoHS compliant?

Yes, the G4 suffix in SN74CBT3306CPWRG4 confirms RoHS compliance and lead-free (Pb-free) construction per Texas Instruments green product guidelines.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
From $0.1979
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$1.0000$1.00
7+$0.7500$5.25
28+$0.4875$13.65
104+$0.2812$29.24
20000+$0.2022$4044.60
50000+$0.1979$9893.50
pcs
Unit price: $1.0000 · Total: $1.00

In Stock · 24h Response · Worldwide Shipping

Direct Contact
Email RFQ
Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy