CAT9554HV4I
- Mfr.Part #
- CAT9554HV4I
- Manufacturer
- Catalyst Semiconductor Inc.
- Package / Case
- 16-WQFN Exposed Pad
- Datasheet
- Download
- Description
- CAT9554 - 8-BIT I2C AND SMBUS I/
- Stock
- 24,069
- In Stock :
- 24,069
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Catalyst Semiconductor Inc.
- Product Category :
- I/O Expanders
- Mounting Type :
- Surface Mount
- Terminal Pitch :
- 0.65mm
- Halogen Free :
- Halogen Free
- Width :
- 4mm
- JESD-609 Code :
- e4
- Interface :
- I2C, SMBus
- Number of Ports :
- 1
- Clock Frequency :
- 400kHz
- Number of I/O :
- 8
- Interrupt Output :
- yes
- ECCN Code :
- EAR99
- Length :
- 4mm
- Base Part Number :
- CAT9554
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Operating Temperature :
- -40°C~85°C
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Published :
- 2008
- Number of Pins :
- 16
- Surface Mount :
- yes
- Number of Terminations :
- 16
- Power Dissipation :
- 1W
- Number of Bits :
- 8
- Pin Count :
- 16
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Terminal Position :
- QUAD
- Feature :
- POR
- Packaging :
- Tape and Reel (TR)
- Power Supplies :
- 2.5/5V
- Pbfree Code :
- yes
- Output Type :
- Push-Pull
- Supply Voltage :
- 3V
- Lead Free :
- Lead Free
- Voltage - Supply :
- 2.3V~5.5V
- Current - Output Source/Sink :
- 10mA 24mA
- Operating Supply Voltage :
- 5.5V
- Terminal Form :
- NO LEAD
- Package / Case :
- 16-WQFN Exposed Pad
- Qualification Status :
- Not Qualified
- Output Current :
- 24mA
- RoHS Status :
- RoHS Compliant
- Datasheets
- CAT9554HV4I

[I/O Expanders Catalyst Semiconductor Inc. CAT9554HV4I] Overview
The CAT9554HV4I by Catalyst Semiconductor Inc. is an 8-bit I2C and SMBus I/O expander designed to provide remote I/O expansion for most microcontroller families via the I2C bus interface and compatible SMBus protocols. This versatile device offers an effective solution for applications requiring additional I/O lines beyond the existing microcontroller's capabilities.
With its advanced features and reliable performance, the CAT9554HV4I empowers B2B customers to efficiently manage and control multiple input/output devices in various industrial and commercial settings.
CAT9554HV4I Features
- 8-bit I/O expander
- I2C and SMBus compatible
- Remote I/O expansion
- Low standby current consumption
- High-speed I2C interface (400kHz)
- Programmable interrupt output
- Operating voltage range: 2.3V to 5.5V
- ESD protection exceeds JESD 22-A114-B specification
CAT9554HV4I Applications
- Industrial Automation: The CAT9554HV4I can be used in industrial automation systems to expand the number of I/O ports available for connecting sensors, actuators, and control devices. Its compatibility with I2C and SMBus protocols makes it easy to integrate into existing control systems.
- Smart Home Systems: In smart home applications, the CAT9554HV4I enables seamless expansion of I/O capabilities for controlling lights, appliances, and security devices. Its low standby current consumption ensures energy efficiency in home automation setups.
- Embedded Systems: Embedded systems designers can leverage the CAT9554HV4I to extend the I/O capabilities of microcontrollers and SoCs, enabling versatile interfacing with peripheral devices such as displays, keypads, and motors. The device's programmable interrupt output enhances real-time responsiveness in embedded applications.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















