CAT9554YGI
- Mfr.Part #
- CAT9554YGI
- Manufacturer
- Catalyst Semiconductor Inc.
- Package / Case
- 16-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- 8 BIT I2C AND SMBUS I/O PORT WI
- Stock
- 49,707
- In Stock :
- 49,707
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- Manufacturer :
- Catalyst Semiconductor Inc.
- Product Category :
- I/O Expanders
- Operating Temperature :
- -40°C ~ 85°C
- Interface :
- I²C, SMBus
- Number of I/O :
- 8
- RoHS :
- Non-Compliant
- Current - Output Source/Sink :
- 10mA, 24mA
- Voltage - Supply :
- 2.3V ~ 5.5V
- Supplier Device Package :
- 16-TSSOP
- Product Status :
- Obsolete
- Package :
- Bulk
- Output Type :
- Open Collector, Open Drain, Push-Pull
- Series :
- CAT9554
- Mounting Type :
- Surface Mount
- Interrupt Output :
- yes
- Package / Case :
- 16-TSSOP (0.173, 4.40mm Width)
- Clock Frequency :
- 400 kHz
- Features :
- POR
- Datasheets
- CAT9554YGI

I/O Expanders Catalyst Semiconductor Inc. CAT9554YGI Overview
The I/O Expanders Catalyst Semiconductor Inc. CAT9554YGI is a high-performance, 8-bit I2C and SMBus I/O port expander designed to optimize the interface requirements between a wide range of peripheral devices and a central processor. Ideal for applications where I/O pin resources are limited, this product offers a versatile solution by expanding an I2C or SMBus interface into eight additional programmable I/O pins. This device is particularly suitable for embedded systems where space and power efficiency are critical, providing an easy-to-use, cost-effective method for system expansion.
CAT9554YGI Features
- 8 individually programmable I/O pins
- Compatible with I2C and SMBus protocols
- Low power consumption
- High-speed operation
- Extended temperature range for industrial applications
- Small package size facilitating compact designs
CAT9554YGI Applications
- Smart Home Systems: Enables additional GPIOs for controlling lights, sensors, and other peripherals without the need for more pins on the main processor.
- Industrial Automation: Facilitates the integration of additional sensors and actuators into control systems, enhancing functionality and flexibility in complex industrial environments.
- Mobile Devices: Provides extra I/O capabilities for features enhancement in space-constrained mobile applications like smartphones and tablets.
- Server Management: Used in server motherboards to expand the number of control and status signals within a compact space.
- Consumer Electronics: Allows for more interactive features in devices such as TVs, gaming consoles, and cameras without requiring major changes to the core design.
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