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PCA9556PW,118 The PCA9556PW,118 is an IO expander from NXP Semiconductors. It features 8 I/O ports, operates at 3.0 to 5.5 volts, and supports I2C and SMBus interfaces.
Mfr Part #:

PCA9556PW,118

Available from 2 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The PCA9556PW,118 is an IO expander from NXP Semiconductors. It features 8 I/O ports, operates at 3.0 to 5.5 volts, and supports I2C and SMBus interfaces.
✓ Total Stock: 7,074 pcs
$ Price Range: $1.15

PCA9556PW,118 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
5,000 pcs
On Request
5000 pcs On Request 1 On Request On Request On Request On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,074 pcs
On Request
2074 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.

PCA9556PW,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
Operating Voltage
Output Type
Supplier Device Package
Voltage
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PCA9556PW,118 Description

Short technical summary and product information.

The PCA9556PW,118 is an integrated circuit IO expander manufactured by NXP Semiconductors. It provides 8 configurable I/O ports that can be set as inputs or outputs. The device operates within a supply voltage range of 3.0 to 5.5 volts and supports a clock frequency of 100 kHz for I2C and SMBus communication protocols. It includes features such as an active high polarity inverter register, an active low reset pin, and low leakage current during power-down. The device is packaged in a 16-pin TSSOP package suitable for surface mounting in various electronic applications, including microcontroller expansion, sensor interfacing, and control systems.

PCA9556PW,118 Quick Information

Product Type: IO Expander
Canonical Name: PCA9556PW,118

PCA9556PW,118 Compliance

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

PCA9556PW,118 Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

PCA9556PW,118 Features

  • Supports I2C and SMBus protocols
  • Operates at 3.0 to 5.5 volts
  • 8 configurable I/O ports
  • Includes active high polarity inverter register
  • Low leakage current on power-down

PCA9556PW,118 Applications

  • Used for I2C and SMBus I/O expansion.
  • Suitable for low-voltage, high-impedance input applications.
  • Ideal for microcontroller I/O port extension.
  • Applicable in systems requiring active high polarity inversion.
  • Suitable for power management and reset functions.

PCA9556PW,118 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the PCA9556PW,118?

The operating voltage range is 3.0 to 5.5 volts.

What communication protocols does the PCA9556PW,118 support?

It supports I2C and SMBus protocols.

How many I/O ports does the PCA9556PW,118 have?

It has 8 I/O ports.

What is the clock frequency supported by the PCA9556PW,118?

It supports a clock frequency of 100 kHz.

What package type is used for the PCA9556PW,118?

It is packaged in a 16-pin TSSOP package.

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