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TCA4311ADGKR The Texas Instruments TCA4311ADGKR is a hot-swappable I2C bus buffer designed for 2.7V to 5.5V systems. It provides bidirectional buffering for I2C signals.
Mfr Part #:

TCA4311ADGKR

Available from 7 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TCA4311ADGKR is a hot-swappable I2C bus buffer designed for 2.7V to 5.5V systems. It provides bidirectional buffering for I2C signals.
✓ Total Stock: 58,501 pcs
$ Price Range: $1.31

TCA4311ADGKR Available from 7 distributors

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✓ Non-Authorised
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TCA4311ADGKR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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TCA4311ADGKR Description

Short technical summary and product information.

The TCA4311ADGKR from Texas Instruments is a hot-swappable I2C bus buffer. This device supports bidirectional data transfer for I2C bus signals, operating within a voltage range of 2.7V to 5.5V. It is designed to prevent corruption of data and clock busses during the insertion or removal of I/O cards from a live backplane.

 

The buffer features precharge circuitry on SDA and SCL lines to minimize current during insertion. The input and output lines are isolated, accommodating standard and fast mode I2C devices. This buffer increases fanout and improves noise immunity, making it suitable for applications involving hot board insertion and bus extension.

 

Packaged in an 8-VSSOP, the TCA4311ADGKR is surface-mount compatible. It operates within an industrial temperature range of -40°C to 85°C. The device is supplied in a tape and reel package with a standard quantity of 2,500 units.

TCA4311ADGKR Quick Information

Product Type: I2C/SMBus Buffer
Series: TCA4311A
Canonical Name: TCA4311A Hot Swappable 2-Wire Bus Buffer
Subcategory: I2C/SMBus Buffer

TCA4311ADGKR Compliance

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

TCA4311ADGKR Estimated Pricing

Qty Low High
1+ $1.31 $1.31

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

TCA4311ADGKR Features

  • Hot-swappable I2C bus buffer.
  • Supports 2.7V to 5.5V operation.
  • Increases fanout and noise immunity.
  • Prevents bus corruption during insertion.
  • 8-VSSOP surface mount package.

TCA4311ADGKR Applications

  • Ideal for hot board insertion.
  • Extends I2C bus reach.
  • Used in backplane systems.
  • Supports live system upgrades.

TCA4311ADGKR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TCA4311ADGKR?

The operating supply voltage range is 2.7 V to 5.5 V.

What type of package is the TCA4311ADGKR in?

The TCA4311ADGKR is available in an 8-VSSOP package.

What is the operating temperature range for this I2C buffer?

The operating temperature range is -40°C to 85°C.

What are the applications for the TCA4311ADGKR?

This device is designed for I2C Hotswap applications.

What is the standard package quantity for the TCA4311ADGKR?

The standard package quantity is 2,500 units on a large tape and reel.

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