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PCA9554PW,118 The PCA9554PW,118 is an IO expander from NXP Semiconductors supporting I2C and SMBus interfaces. It features 8 I/O ports, operating voltage from 2.3V to 5.5V, and a clock frequency up to 400kHz.
Mfr Part #:

PCA9554PW,118

Available from 4 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The PCA9554PW,118 is an IO expander from NXP Semiconductors supporting I2C and SMBus interfaces. It features 8 I/O ports, operating voltage from 2.3V to 5.5V, and a clock frequency up to 400kHz.
✓ Total Stock: 8,626 pcs
$ Price Range: $1.15

PCA9554PW,118 Available from 4 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
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
3,262 pcs
On Request
3262 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
190 pcs
On Request
190 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
174 pcs
On Request
174 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.

PCA9554PW,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
Voltage
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PCA9554PW,118 Description

Short technical summary and product information.

The PCA9554PW,118 is an integrated circuit designed as an IO expander for digital systems. It supports I2C and SMBus interfaces, enabling communication with microcontrollers and other digital devices. The device provides 8 I/O ports, each configurable for input or output functions, with an operating voltage range of 2.3V to 5.5V. It supports a clock frequency of up to 400kHz, making it suitable for applications requiring moderate data transfer rates.

 

This IC is packaged in a 16TSSOP package, suitable for surface-mount assembly. It is used in applications such as expanding I/O capabilities in embedded systems, controlling peripheral devices, and managing multiple digital signals in compact electronic designs. Its design ensures reliable operation over a temperature range from -40°C, making it suitable for industrial and consumer electronics.

 

The PCA9554PW,118 provides a straightforward solution for increasing I/O ports in microcontroller-based systems, with features optimized for low power consumption and ease of integration.

PCA9554PW,118 Quick Information

Product Type: IO Expander
Canonical Name: IC XPND 400KHZ I2C SMBUS 16TSSOP

PCA9554PW,118 Compliance

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

PCA9554PW,118 Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

PCA9554PW,118 Features

  • Supports I2C and SMBus interfaces
  • Operates at 2.3V to 5.5V
  • Provides 8 I/O ports
  • Supports clock frequency up to 400kHz
  • Package in 16TSSOP form factor

PCA9554PW,118 Applications

  • Ideal for I/O expansion in microcontroller systems
  • Used in industrial automation devices
  • Suitable for portable and battery-powered electronics
  • Supports multiple digital signal control

PCA9554PW,118 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the PCA9554PW,118?

The operating voltage range is 2.3 V to 5.5 V.

What communication interfaces does the PCA9554PW,118 support?

It supports I²C and SMBus interfaces.

How many I/O ports does the PCA9554PW,118 provide?

It provides 8 I/O ports.

What is the maximum clock frequency supported?

The maximum clock frequency supported is 400 kHz.

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