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TCA6408APWR The TCA6408APWR is an 8-bit I2C/SMBus IO expander from Texas Instruments. It operates from 1.65V to 5.5V and features a 400kHz clock frequency.
Mfr Part #:

TCA6408APWR

Available from 9 distributors
Mfr Name: Texas Instruments
Texas Instruments
The TCA6408APWR is an 8-bit I2C/SMBus IO expander from Texas Instruments. It operates from 1.65V to 5.5V and features a 400kHz clock frequency.
✓ Total Stock: 86,271 pcs
$ Price Range: $0.55

TCA6408APWR Available from 9 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
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45,200 pcs
On Request
45200 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
25,790 pcs
On Request
25790 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
9,724 pcs
On Request
9724 pcs On Request 1 On Request On Request 21+ On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
2,000 pcs
On Request
2000 pcs On Request 1 On Request On Request 21+ On Request On Request
MW.FEP S.p.A. ✓
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1,273 pcs
On Request
1273 pcs On Request 1 On Request On Request On Request On Request On Request
Rayichip ✓
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1,178 pcs
On Request
1178 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,072 pcs
On Request
1072 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
28 pcs
On Request
28 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
6 pcs
On Request
6 pcs On Request 1 On Request On Request 22+ On Request On Request
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.

TCA6408APWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
Features
Interface
Interrupt Output
Mounting Type
Number of I
Operating Temperature
Output Type
Supplier Device Package
Supplier Package
Voltage
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TCA6408APWR Description

Short technical summary and product information.

The Texas Instruments TCA6408APWR is an 8-bit I2C and SMBus compatible I/O expander. It supports a wide operating power-supply voltage range from 1.65V to 5.5V, enabling bidirectional voltage-level translation and GPIO expansion between common voltage rails like 1.8V, 2.5V, 3.3V, and 5V.

 

Key features include a maximum clock frequency of 400kHz, an interrupt output, and a reset pin. The device has 8 I/Os and operates within an industrial temperature range of -40°C to 85°C. It is available in a 16-TSSOP package.

 

This I/O expander is suitable for applications requiring additional GPIO pins or voltage level shifting in embedded systems. Its low standby current consumption and 5V tolerant I/O ports make it a versatile component for various interface designs.

TCA6408APWR Quick Information

Product Type: IO Expander
Canonical Name: TCA6408A 8-bit translating 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt, reset & config registers
Subcategory: IO Expanders

TCA6408APWR Compliance

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

TCA6408APWR Estimated Pricing

Qty Low High
1+ $0.55 $0.55

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

TCA6408APWR Features

  • 8-bit I2C/SMBus IO expander.
  • Wide 1.65V to 5.5V operating voltage.
  • Supports 400kHz Fast I2C bus.
  • Operates from -40°C to 85°C.
  • Available in 16-TSSOP package.

TCA6408APWR Applications

  • GPIO expansion for microcontrollers.
  • Voltage level translation circuits.
  • Embedded system interfaces.
  • Control and monitoring applications.

TCA6408APWR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TCA6408APWR?

The operating voltage range is 1.65V to 5.5V.

What is the maximum clock frequency for this IO expander?

The maximum clock frequency is 400 kHz.

What is the operating temperature range of the TCA6408APWR?

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

Does the TCA6408APWR have an interrupt output?

Yes, it features an interrupt output.

What package is the TCA6408APWR supplied in?

It is supplied in a 16-TSSOP package.

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