74CB3T3306DCUR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The 74CB3T3306DCUR is a single 1:1 bus switch IC from Texas Instruments offering low on-resistance signal routing in an 8-pin VSSOP package. It enables transparent bidirectional switching for digital bus connections with minimal signal degradation. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 74CB3T3306DCUR Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single 1:1 bidirectional bus switch providing transparent low-resistance signal path for digital data routing
- Ultra-compact 8-pin VSSOP package enabling dense bus switching in space-constrained portable and embedded designs
- CB3T-family level-shifting capability supporting mixed-voltage bus connections between 3.3V and lower logic rails
- Low on-resistance switch design minimizing signal distortion and propagation delay in high-speed bus architectures
Applications
The 74CB3T3306DCUR is used for signal routing and bus switching in mobile devices, laptops, and embedded systems where transparent bidirectional connectivity between data lines is required. Its compact VSSOP package and low on-resistance make it ideal for hot-swap bus isolation and voltage-level compatible bus sharing in mixed-supply boards. The device is also applied in I2C, SPI, and parallel data bus multiplexing in consumer electronics and IoT modules.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 74CB3T3306DCUR:
Bus Driver, CB3T/3VT Series, 2-Func, 1-Bit, True Output, CMOS, PDSO8
Bus Driver, CB3T/3VT Series, 2-Func, 1-Bit, True Output, CMOS, PDSO8
Frequently Asked Questions
What type of switch is the 74CB3T3306DCUR?
The 74CB3T3306DCUR is a single 1:1 bidirectional bus switch, providing a transparent low-resistance connection between two signal nodes when enabled, with no logic inversion or buffering of the switched signal.
What package does the 74CB3T3306DCUR come in?
It is housed in an 8-pin VSSOP (Very Small Outline Package), a compact SMD package that allows high-density placement on PCBs used in portable electronics, wearables, and space-constrained embedded systems.
Does the 74CB3T3306DCUR support mixed-voltage bus connections?
Yes, the CB3T-family bus switch supports level-shifted bus switching, allowing it to interface between 3.3V and lower-voltage logic rails, facilitating mixed-supply voltage designs common in modern SoC-based systems.
What is the signal direction of the 74CB3T3306DCUR?
The device supports bidirectional (both A-to-B and B-to-A) signal flow, making it a flexible drop-in switch for any digital bus line where dynamic data direction changes occur during normal operation.
What are typical applications for the 74CB3T3306DCUR?
Typical applications include I2C and SPI bus isolation, USB data line switching, parallel interface bus multiplexing, hot-swap protection, and voltage-compatible signal routing in mobile, IoT, and embedded computing devices.
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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.
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