PCA9554ATS,118

Product Overview

Category

PCA9554ATS,118 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for input/output (I/O) expansion in various electronic devices.

Characteristics

• I2C-bus interface compatibility
• 8-bit remote I/O port with interrupt capability
• Low standby current consumption
• Schmitt trigger action on all inputs
• Open-drain interrupt output
• Noise filter on SDA/SCL inputs
• Latched outputs with high-current drive capability
• ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101

Package

PCA9554ATS,118 is available in a small Thin Shrink Small Outline Package (TSSOP).

Essence

The essence of PCA9554ATS,118 lies in its ability to provide additional I/O ports for electronic devices, enhancing their functionality and flexibility.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage: 2.3 V to 5.5 V
• Input voltage range: 0 V to VDD
• Output voltage range: 0 V to VDD
• Operating temperature range: -40°C to +85°C
• I2C-bus frequency: 100 kHz, 400 kHz, and 1 MHz

Detailed Pin Configuration

The PCA9554ATS,118 has a total of 16 pins, which are assigned specific functions as follows:

1. A0: Address input bit 0
2. A1: Address input bit 1
3. A2: Address input bit 2
4. GND: Ground
5. SDA: I2C-bus serial data line
6. SCL: I2C-bus serial clock line
7. INT: Interrupt output
8. P0-P7: I/O ports 0 to 7

Functional Features

• I2C-bus interface allows easy integration with other devices
• Interrupt capability enables efficient event handling
• Schmitt trigger action ensures reliable input signal detection
• Noise filter minimizes the impact of external disturbances
• Latched outputs with high-current drive capability facilitate driving external loads

Advantages and Disadvantages

Advantages

• Compatibility with I2C-bus interface simplifies system integration
• Interrupt capability enhances responsiveness to events
• Low standby current consumption reduces power consumption
• Schmitt trigger action improves noise immunity
• High-current drive capability enables direct control of external loads

Disadvantages

• Limited number of I/O ports (8 in total)
• Relatively small operating temperature range (-40°C to +85°C)

Working Principles

PCA9554ATS,118 operates by communicating through the I2C-bus interface. It receives commands and data from a master device, allowing it to control the I/O ports and respond to events. The interrupt output signals the occurrence of specific events, enabling timely processing by the system.

Detailed Application Field Plans

PCA9554ATS,118 finds applications in various fields, including but not limited to: 1. Consumer electronics: Adding extra I/O ports to smart home devices, remote controls, etc. 2. Industrial automation: Expanding I/O capabilities in PLCs, industrial sensors, etc. 3. Automotive electronics: Enhancing I/O functionality in automotive control systems, infotainment systems, etc. 4. Internet of Things (IoT): Enabling I/O expansion in IoT devices for increased connectivity and versatility.

Detailed and Complete Alternative Models

1. PCA9554APW,118
2. PCA9554ADGVR
3. PCA9554ARGTR
4. PCA9554DBR
5. PCA9554PW,118

These alternative models offer similar functionality and characteristics to PCA9554ATS,118, providing options for different package types or additional features.

In conclusion, PCA9554ATS,118 is an integrated circuit that serves as an I/O expansion solution in various electronic devices. Its compatibility with the I2C-bus interface, interrupt capability, and low standby current consumption make it a versatile choice for enhancing system functionality. However, its limited number of I/O ports and relatively small operating temperature range should be considered when selecting this product.