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CAT9554YI-GT2 The On Semiconductor CAT9554YI-GT2 is an 8-bit IO Expander utilizing I2C and SMBus interfaces. It operates within a 2.3V to 5.5V supply range and features an interrupt output.
Mfr Part #:

CAT9554YI-GT2

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor CAT9554YI-GT2 is an 8-bit IO Expander utilizing I2C and SMBus interfaces. It operates within a 2.3V to 5.5V supply range and features an interrupt output.
✓ Total Stock: 200 pcs
$ Price Range: $1.15

CAT9554YI-GT2 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
200 pcs
On Request
200 pcs On Request 1 On Request On Request 18+ On Request On Request
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CAT9554YI-GT2 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
Tape & Reel
Voltage
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CAT9554YI-GT2 Description

Short technical summary and product information.

The CAT9554YI-GT2 from On Semiconductor is an 8-bit digital IO Expander designed for interface expansion using I2C and SMBus protocols. This component supports a supply voltage range of 2.3V to 5.5V and operates at clock frequencies up to 400 kHz.

 

Key electrical characteristics include 8 input/output channels, a push-pull output type, and current capabilities of 10mA for high and 24mA for low. The device also features a Power-On Reset (POR) function and an interrupt output, enhancing its utility in system control.

 

Packaged in a 16-TSSOP format with surface mount technology, the CAT9554YI-GT2 is suitable for various electronic designs. It operates reliably within an ambient temperature range of -40°C to 85°C, making it a versatile choice for industrial and commercial applications requiring expanded I/O capabilities.

 

This IO Expander is designed for applications where additional digital I/O pins are needed, controlled via a standard serial interface. Its features make it suitable for embedded systems, sensor interfacing, and general-purpose I/O expansion tasks.

CAT9554YI-GT2 Quick Information

Product Type: IO Expander
Series: CAT9554
Canonical Name: CAT9554YI-GT2 8-bit I2C and SMBus I/O Port with Interrupt
Subcategory: IO Expanders

CAT9554YI-GT2 Compliance

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

CAT9554YI-GT2 Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

CAT9554YI-GT2 Features

  • 8-bit digital IO expander.
  • I2C and SMBus interface support.
  • Wide operating voltage from 2.3V to 5.5V.
  • Interrupt output feature included.
  • Surface mount 16-TSSOP package.

CAT9554YI-GT2 Applications

  • Ideal for I/O expansion needs.
  • Suitable for embedded systems.
  • Used in sensor interfacing.
  • General purpose digital control.

CAT9554YI-GT2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the CAT9554YI-GT2?

The operating voltage range is 2.3V to 5.5V.

What package type is the CAT9554YI-GT2 supplied in?

It is supplied in a 16-TSSOP package.

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

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

What communication interfaces does the CAT9554YI-GT2 support?

It supports I2C and SMBus interfaces.

What is the maximum clock frequency for the I2C/SMBus interface?

The maximum clock frequency is 400 kHz.

How many I/O channels does the CAT9554YI-GT2 have?

It has 8 I/O channels.

Does the CAT9554YI-GT2 have an interrupt output?

Yes, it has an interrupt output.

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