CAT9555YI-T2

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CAT9555YI-T2

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IC I/O EXPANDER I2C 16B 24TSSOP

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
NumberofI/O 16
Interface I²C, SMBus
InterruptOutput Yes
Features POR
OutputType Push-Pull
Current-OutputSource/Sink 10mA, 24mA
ClockFrequency 400 kHz
Voltage-Supply 2.3V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 24-TSSOP (0.173, 4.40mm Width)

Visão Geral

Description

The CAT9555YI-T2 is a 16-bit I/O expander with an I²C interface, designed to simplify GPIO expansion in embedded systems. Key features include:
- 16 programmable I/O pins (configurable as inputs or outputs).
- Interrupt output for monitoring input changes.
- Low standby current (suitable for power-sensitive applications).
- Wide voltage range (1.65V to 5.5V), supporting mixed-voltage systems.
- 400 kHz I²C compatibility for fast communication.
Commonly used in consumer electronics, industrial controls, and IoT devices, it reduces MCU pin usage while adding flexibility. The T2 suffix indicates tape-and-reel packaging.
For detailed specs, refer to the datasheet.

Equivalent

Equivalent products to the CAT9555YI-T2 (16-bit I/O expander with I2C interface) include:
- PCA9555PW (NXP)
- MAX7313AEE+ (Maxim Integrated)
- MCP23017-E/SP (Microchip)
- TCA6416APWR (Texas Instruments)
These chips offer similar I2C-based I/O expansion with 16 GPIOs. Verify pin compatibility and features (interrupts, voltage range) for your design.

Package

The CAT9555YI-T2 comes in a TSSOP-16 package. This surface-mount type is compact, suitable for space-constrained applications, and features 16 pins. It's commonly used for I/O expansion in various electronic designs.

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