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PCA9554BS,118 The PCA9554BS,118 from NXP Semiconductors is an 8-bit I2C/SMBus I/O expander. It operates with a supply voltage range of 2.3V to 5.5V and features a 400 kHz clock frequency.
Mfr Part #:

PCA9554BS,118

Available from 2 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The PCA9554BS,118 from NXP Semiconductors is an 8-bit I2C/SMBus I/O expander. It operates with a supply voltage range of 2.3V to 5.5V and features a 400 kHz clock frequency.
✓ Total Stock: 5,015 pcs
$ Price Range: $1.15

PCA9554BS,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
Speed Components Ltd ✓
Non-Authorised Inventory information
15 pcs
On Request
15 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.

PCA9554BS,118 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
Features
Interface
Interrupt Output
Lead Spacing
Mounting Type
Number of I
Operating Temperature
Output Type
Supplier Device Package
Supplier Package
Voltage
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PCA9554BS,118 Description

Short technical summary and product information.

The PCA9554BS,118 is an 8-bit General Purpose parallel Input/Output (GPIO) expansion device designed for I2C-bus/SMBus applications. It offers a voltage supply range of 2.3V to 5.5V and supports a clock frequency up to 400 kHz.

 

This I/O expander features 8 I/O pins that default to inputs, individual I/O configuration, and a polarity inversion register. It includes an open-drain interrupt output that activates when an input state changes, signaling the system master. The device is available in a 16-HVQFN (4x4) package and is suitable for surface mount.

 

Key features include 5V tolerant I/Os, low standby current, and noise filtering on SCL/SDA inputs. The PCA9554BS,118 is designed to provide additional I/O for applications such as ACPI power switches, sensors, push buttons, and LEDs.

PCA9554BS,118 Quick Information

Product Type: IO Expander
Series: PCA9554A
Canonical Name: PCA9554BS,118 8-bit I2C-bus and SMBus I/O port with interrupt
Subcategory: I/O Expander

PCA9554BS,118 Compliance

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

PCA9554BS,118 Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

PCA9554BS,118 Features

  • 8-bit I2C/SMBus I/O expander.
  • Operating voltage range of 2.3V to 5.5V.
  • Supports 400 kHz clock frequency.
  • Features an interrupt output.
  • Available in a 16-HVQFN package.

PCA9554BS,118 Applications

  • Expands I/O for I2C/SMBus systems.
  • Suitable for sensor interfaces.
  • Used for controlling LEDs.
  • Ideal for ACPI power switches.

PCA9554BS,118 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the PCA9554BS,118?

The PCA9554BS,118 operates with a supply voltage range of 2.3V to 5.5V.

What is the clock frequency supported by the PCA9554BS,118?

The PCA9554BS,118 supports a clock frequency of up to 400 kHz.

How many I/O pins does the PCA9554BS,118 have?

The PCA9554BS,118 has 8 I/O pins.

What package type is the PCA9554BS,118 available in?

The PCA9554BS,118 is available in a 16-HVQFN (4x4) package.

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

The operating temperature range for the PCA9554BS,118 is -40°C to 85°C.

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