SN74CBT3126DBQR

$0.74

Description：IC BUS SWITCH 1 X 1:1 16SSOP
Series：74CBT
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT),Bulk

SKU:4ecce89adef3 Category: Signal Switches, Multiplexers, Decoders Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC BUS SWITCH 1 X 1:1 16SSOP
Series：74CBT
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT),Bulk
Type：Bus Switch
Circuit：1 x 1:1
Independent Circuits：4
Current - Output High, Low：-
Voltage Supply Source：Single Supply
Voltage - Supply：4.5V ~ 5.5V
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：16-SSOP (0.154", 3.90mm Width)
Supplier Device Package：16-SSOP
Grade：-
Qualification：-

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SN74CBT3126DBQR

Overview

The SN74CBT3126DBQR is a low-voltage quadruple FET bus switch manufactured by Texas Instruments. It operates on a single power supply ranging from 2.3V to 3.6V and features four independent channels configured as 1 x 1:1 switches. The device is housed in a 16-SSOP package with a width of 0.154 inches (3.90mm). It supports an operating temperature range from -40°C to 85°C and includes powered-off protection capabilities.

Feature Summary

Provides four independent bidirectional bus switching channels for signal routing
Includes powered-off protection to prevent current leakage when the device is unpowered
Supports high-speed digital signals including SPI and JTAG protocols

Applications

Portable equipment requiring low voltage operation
Consumer electronics utilizing SPI interfaces
JTAG boundary scan testing circuits
Battery-powered systems

Procurement Notes

Verify the specific package variant, as the DBQR suffix denotes a 16-SSOP tape and reel configuration. Confirm that the design accommodates the 2.3V to 3.6V supply range and -40°C to 85°C operating temperature. Ensure compatibility with the target logic levels and check for any recent product change notices regarding assembly sites or materials.

Selection Notes

Select this component when a low-voltage, quad-channel bus switch is required for portable applications. It serves as a functional alternative to other low-voltage bus switches within the same family. Consider the SSOP package constraints and ensure the board layout supports the specified thermal and electrical requirements for the intended environment.

Part Context

This part belongs to the SN74CBT series of low-voltage bus switches designed for portable applications. It offers high bandwidth and low on-resistance to maintain signal integrity across multiple data lines. The device is part of a broader family that includes variants with different pin counts and packaging options to suit various system integration needs.

Replacement Considerations

Verified equivalent parts include SN74CBTLV3126DBQR and SN74CB3Q3125DBQR. These alternatives offer similar functionality but may differ in specific package dimensions or minor electrical characteristics. Verify pin-to-pin compatibility before substitution.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.