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TCA6416AZQSR The Texas Instruments TCA6416AZQSR is a 16-bit I2C and SMBus I/O expander. It operates with a power supply voltage range of 1.65 V to 5.5 V and supports a 400-kHz Fast I2C bus.
Mfr Part #:

TCA6416AZQSR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TCA6416AZQSR is a 16-bit I2C and SMBus I/O expander. It operates with a power supply voltage range of 1.65 V to 5.5 V and supports a 400-kHz Fast I2C bus.
✓ Total Stock: 6,643 pcs
$ Price Range: $1.15

TCA6416AZQSR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
3,333 pcs
On Request
3333 pcs On Request 1 On Request On Request 12+/11+ On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
810 pcs
On Request
810 pcs On Request 1 On Request On Request 12+ 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.

TCA6416AZQSR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
ESD Protection
Features
Interface
Interrupt Output
Latch-up Performance
Mounting Type
Number of I
Operating Temperature
Output Type
Supplier Device Package
Voltage
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TCA6416AZQSR Description

Short technical summary and product information.

The TCA6416A is a 16-bit general-purpose parallel input/output (I/O) expander designed for the I2C and SMBus protocols. It operates with a power supply voltage ranging from 1.65 V to 5.5 V on both the I2C bus side (VCCI) and the P-port side (VCCP). This device allows for bidirectional voltage-level translation and GPIO expansion between common voltage levels like 1.8-V, 2.5-V, 3.3-V, and 5-V I2C buses and P-ports.

 

Key features include a low standby current consumption of 3 μA and 5-V tolerant I/O ports. It supports a 400-kHz Fast I2C bus frequency and includes a hardware address pin for dual-device operation on the same bus. The expander has an active-low reset input (RESET) and an open-drain active-low interrupt output (INT).

 

Applications for the TCA6416A include servers, routers, personal computers, personal electronics, and industrial automation. It is particularly useful for products with GPIO-limited processors where additional I/Os are needed for switches, sensors, push-buttons, LEDs, and fans.

 

The TCA6416AZQSR is available in a 24-BGA Microstar Junior (3x3) package, suitable for surface mount applications. It operates within a temperature range of -40°C to 85°C.

TCA6416AZQSR Quick Information

Product Type: I/O Expander
Canonical Name: TCA6416A Low-Voltage 16-Bit I2C/SMBus I/O Expander with Voltage Translation, Interrupt Output, Reset Input, and Configuration Registers
Subcategory: I/O Expander

TCA6416AZQSR Compliance

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

TCA6416AZQSR Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

TCA6416AZQSR Features

  • 16-bit I2C/SMBus I/O expander
  • 1.65V to 5.5V operating voltage range
  • Supports 400kHz Fast I2C bus
  • 5V tolerant I/O ports
  • Active-low reset and interrupt output

TCA6416AZQSR Applications

  • GPIO expansion for microcontrollers
  • Voltage level translation between systems
  • Control of LEDs and sensors
  • Interface for switches and buttons
  • Use in servers and industrial automation

TCA6416AZQSR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TCA6416AZQSR?

The operating voltage range for the TCA6416AZQSR is 1.65V to 5.5V.

What is the maximum clock frequency supported by the TCA6416AZQSR?

The TCA6416AZQSR supports a maximum clock frequency of 400 kHz.

What type of package is the TCA6416AZQSR available in?

The TCA6416AZQSR is available in a 24-VFBGA package, specifically a 24-BGA Microstar Junior (3x3) for surface mounting.

What is the operating temperature range for this I/O expander?

The operating temperature range for the TCA6416AZQSR is -40°C to 85°C.

Does the TCA6416AZQSR have an interrupt output?

Yes, the TCA6416AZQSR features an open-drain active-low interrupt output.

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