# PCA9555HF118 - NXP Semiconductors I/O Expander

## Product Summary

The PCA9555HF118 from NXP Semiconductors is a 16-bit I/O expander designed for I2C-bus and SMBus applications. It operates with a supply voltage range of 2.3 V to 5.5 V and features 5 V tolerant I/Os.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | PCA9555HF118 |
| Manufacturer | NXP Semiconductors |
| Product Type | I/O Expander |
| Category | Uncategorized |
| Subcategory | I2C-bus and SMBus I/O Port |
| Package | 24-VFSOF |
| Mounting Type | Surface Mount |

## Description

The PCA9555HF118 is a 16-bit General Purpose Parallel Input/Output (GPIO) expander from NXP Semiconductors, designed for seamless integration into I2C-bus and SMBus systems. This CMOS device offers enhanced features including higher drive capability, 5 V I/O tolerance, and lower supply current, making it suitable for applications requiring additional I/O for components like ACPI power switches, sensors, push buttons, and LEDs.

The PCA9555HF118 features two 8-bit configuration registers for selecting input or output modes, along with input, output, and polarity inversion registers. It supports a clock frequency range of 0 Hz to 400 kHz and includes an active-low interrupt output that signals changes in input states. The device operates within a supply voltage range of 2.3 V to 5.5 V and provides robust ESD protection exceeding 2000 V HBM.

With its flexible I/O configuration and compatibility with I2C-bus/SMBus, the PCA9555HF118 is an effective solution for expanding I/O capabilities in embedded systems. It is available in various packages, including DIP, SO, SSOP, TSSOP, HVQFN, and HWQFN, facilitating integration into diverse PCB designs.

## Key Specifications

| Specification | Value |
| --- | --- |
| Storage Temperature | °C ~ °C |
| Tape & Reel | No |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 1 |
| Total Stock | 1,000 |
| Price | $2.95 |
| Pricing Available | Yes |

## Estimated Pricing

| Quantity | Price Range |
| ---: | ---: |
| 1+ | $2.95 |

Estimated pricing is for guidance only and is not a live distributor offer.

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| Fe Components | 1,000 |  |  |  |  |

## Features

- 16-bit I2C-bus and SMBus I/O port.
- Operating voltage range 2.3 V to 5.5 V.
- 5 V tolerant I/Os for flexibility.
- Active LOW interrupt output signal.
- High ESD protection exceeding 2000 V HBM.

## Applications

- Expands I/O for microcontrollers.
- Interface for sensors and switches.
- Control for LEDs and fans.
- ACPI power management applications.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |

## Documents and Media

- Datasheet: https://static.distyparts.com/disty-files/datasheets/51/87/8b/2156-PCA9555HF118-NXTR-ND.pdf
- Product Page: https://distyparts.com/product/pca9555hf118
- RFQ URL: https://distyparts.com/product/pca9555hf118#rfq

## FAQs

### What is the operating supply voltage range for the PCA9555HF118?

The operating supply voltage range is 2.3 V to 5.5 V.

### Are the I/Os on the PCA9555HF118 5V tolerant?

Yes, the I/Os are 5 V tolerant.

### What is the maximum clock frequency supported by the PCA9555HF118?

The device supports a clock frequency up to 400 kHz.

### What type of interrupt output does the PCA9555HF118 have?

It features an active-low interrupt output.

### What is the ESD protection level for the PCA9555HF118?

ESD protection exceeds 2000 V HBM.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/nxp-semiconductors
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/pca9555hf118
- Markdown File: https://distyparts.com/product/pca9555hf118.md
- TXT File: https://distyparts.com/product/pca9555hf118.txt