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PCA9673PW,118 The PCA9673PW,118 from NXP Semiconductors is a 16-bit remote I/O expander designed for I2C-bus communication. It features a 1MHz interface and operates over a voltage range of 2.3V to 5.5V.
Mfr Part #:

PCA9673PW,118

Available from 2 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The PCA9673PW,118 from NXP Semiconductors is a 16-bit remote I/O expander designed for I2C-bus communication. It features a 1MHz interface and operates over a voltage range of 2.3V to 5.5V.
✓ Total Stock: 5,547 pcs
$ Price Range: $1.15

PCA9673PW,118 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
5,000 pcs
On Request
5000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Braun Electronic Components ✓
Non-Authorised Inventory information
547 pcs
On Request
547 pcs On Request 1 On Request On Request On Request 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.

PCA9673PW,118 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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PCA9673PW,118 Description

Short technical summary and product information.

The PCA9673PW,118 is a 16-bit remote I/O expander from NXP Semiconductors, part of the Fast-mode Plus family for I2C-bus applications. It offers enhanced performance over previous generations, including higher I2C-bus speeds up to 1MHz and increased I2C-bus drive capability.

 

This device features 16 quasi-bidirectional I/O pins that default to inputs at power-up. The outputs have latched capability with 25mA sink current, suitable for directly driving LEDs. It also includes an active-low open-drain interrupt output, allowing the I/O to signal the microcontroller without constant I2C communication. The internal Power-On Reset (POR) and a hardware reset pin ensure proper initialization.

 

The PCA9673PW,118 operates from 2.3V to 5.5V with 5.5V tolerant I/Os. It is available in a 24-TSSOP package, designed for surface mounting. The operating temperature range is -40°C to +85°C, making it suitable for various industrial and electronic applications.

 

Key features include a 1MHz I2C-bus interface, 16 programmable slave addresses, and a total package sink capability of 400mA. This expander is ideal for applications such as LED signs and displays, servers, industrial control, and instrumentation.

PCA9673PW,118 Quick Information

Product Type: IO Expander
Canonical Name: PCA9673PW,118 Remote 16-bit I/O Expander for Fm+ I2C-bus with Interrupt and Reset

PCA9673PW,118 Compliance

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

PCA9673PW,118 Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

PCA9673PW,118 Features

  • 16-bit remote I/O expander for I2C-bus.
  • 1MHz I2C-bus interface speed.
  • 2.3V to 5.5V operation with 5.5V tolerant I/Os.
  • Latched outputs with 25mA sink capability.
  • Active-low open-drain interrupt output.

PCA9673PW,118 Applications

  • Suitable for LED signs and displays.
  • Used in server applications.
  • Ideal for industrial control systems.
  • Applicable to instrumentation and test equipment.

PCA9673PW,118 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the PCA9673PW,118?

The PCA9673PW,118 operates from 2.3V to 5.5V.

What is the I2C-bus interface speed of this IO expander?

This IO expander features a 1MHz I2C-bus interface.

How many I/O pins does the PCA9673PW,118 have?

The PCA9673PW,118 has 16 I/O pins.

What is the operating temperature range for this device?

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

What package type is the PCA9673PW,118 supplied in?

The PCA9673PW,118 is supplied in a 24-TSSOP package.

Does the PCA9673PW,118 have an interrupt output?

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

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