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SN74CBT3126DBR The SN74CBT3126DBR from Texas Instruments is a 4-channel FET bus switch. It operates with a 5V supply and offers a bandwidth of 200 MHz.
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SN74CBT3126DBR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The SN74CBT3126DBR from Texas Instruments is a 4-channel FET bus switch. It operates with a 5V supply and offers a bandwidth of 200 MHz.
✓ Total Stock: 100 pcs
$ Price Range: $0.33

SN74CBT3126DBR Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
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100 pcs
On Request
100 pcs On Request 1 On Request On Request 07+ On Request On Request
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SN74CBT3126DBR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Bandwidth
Circuit
Configuration
Independent Circuits
Latch-up Performance
Mounting Type
Number of Channels
Operating Temperature
SVHC Present
Supplier Device Package
Type
Voltage
Voltage Supply Source
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SN74CBT3126DBR Description

Short technical summary and product information.

The SN74CBT3126DBR is a quadruple FET bus switch from Texas Instruments, featuring independent line switches. Each switch is disabled when its associated output-enable (OE) input is low. This device supports a wide range of protocols including Analog, I2C, I2S, JTAG, RGMII, SPI, TDM, and UART.

 

Key electrical characteristics include a typical on-resistance of 5000 mΩ and a maximum on-resistance of 22000 mΩ. The operating voltage range is from 0V to 5.5V, with a continuous current handling capability of up to 128 mA. The device operates within a temperature range of -40°C to 85°C.

 

Packaged in a 14-SSOP, the SN74CBT3126DBR is designed for surface mounting. It features TTL-compatible input levels and latch-up performance exceeding 250 mA per JESD 17. The standard '126-type pinout is maintained for compatibility.

 

This bus switch is suitable for applications requiring signal routing and isolation in digital systems. Its configuration of 1:1 SPST switches makes it versatile for various interface needs.

SN74CBT3126DBR Quick Information

Product Type: FET Bus Switch
Series: SN74CBT3126
Canonical Name: SN74CBT3126DBR 4-Channel FET Bus Switch
Subcategory: FET Bus Switch

SN74CBT3126DBR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SN74CBT3126DBR Estimated Pricing

Qty Low High
1+ $0.33 $0.33

Estimated market price range - modelled values for guidance only, not live distributor offers.

SN74CBT3126DBR Features

  • Four independent 1:1 SPST switches.
  • 200 MHz bandwidth for signal transmission.
  • Operates from 0V to 5.5V.
  • Low off-state leakage current.
  • Surface mountable 14-SSOP package.

SN74CBT3126DBR Applications

  • Ideal for digital signal routing.
  • Used in I2C and SPI interfaces.
  • Suitable for UART communication.
  • Supports JTAG signal switching.

SN74CBT3126DBR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74CBT3126DBR?

The input/output voltage range is 0 V to 5.5 V, with a nominal supply of 5 V.

What package does the SN74CBT3126DBR come in?

It is available in a 14-SSOP surface mount package.

What is the operating temperature range?

-40°C to 85°C.

What is the bandwidth of the SN74CBT3126DBR?

200 MHz typical.

What is the on-resistance?

5 Ω typical, 22 Ω maximum.

How many channels does it have?

4 channels.

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