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PCA9673PW

Name: PCA9673PW
Rating: 4.7 (12 reviews)

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規格

Brand	Micron
Product Type	NOR Flash
Subcategory	Memory & Data Storage
Series	M29W
Mounting Style	SMD/SMT
Interface Type	Parallel
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Supply Voltage - Min	2.7 V
Supply Voltage - Max	3.6 V
Memory Size	16 Mbit
Package / Case	TFBGA-48
Organization	2 M x 8/1 M x 16
Packaging	Reel
Active Read Current - Max	10 mA
Factory Pack Quantity:Factory Pack Quantity	2500
Shipping Restrictions	Mouser does not presently sell this product in your region.
Data Bus Width	8 bit/16 bit
Speed	70 ns
Timing Type	Asynchronous
Memory Type	NOR
Standard	Common Flash Interface (CFI)
Type	Boot Block

概述

Description

The PCA9673PW is a 16-channel I2C I/O port expander from NXP Semiconductors. It allows for the expansion of GPIO pins on microcontrollers, enabling more devices to be connected to a single I2C bus. The PCA9673PW is particularly useful in applications where GPIO resources are limited, such as in embedded systems, sensor interfaces, or LED control.
Key features include:
- 16 GPIO pins: Configurable as inputs or outputs.
- I2C interface: Supports standard and fast modes, allowing multiple devices on the same bus.
- Interrupt capability: Supports interrupt generation for changes in input states, enhancing responsiveness.
- Programmable pull-up resistors: Offers flexibility in input configurations.
- Low power consumption: Suitable for battery-operated devices.
The PCA9673PW operates within a wide voltage range (1.65V to 5.5V), making it compatible with various systems. Its small package footprint and ease of integration make it a popular choice for developers seeking to enhance I/O capabilities efficiently.

Features

The PCA9673PW is a 16-bit I2C-bus I/O port expander from NXP Semiconductors. Key features include:
1. 16 GPIO Pins: Configurable as input or output, allowing for versatile interfacing with various devices.
2. I2C Interface: Operates on a standard I2C-bus, supporting multiple devices on the same bus with addresses from 0x20 to 0x27.
3. Interrupt Functionality: Provides an interrupt output to signal changes in I/O state, enabling efficient monitoring of inputs.
4. Interrupt Masking: Individual masking of inputs for customized interrupt management.
5. Power Management: Low power consumption with a wide operating voltage range (2.3V to 5.5V).
6. Internal Pull-Up Resistors: Configurable pull-ups for GPIOs facilitate easy connection to external devices.
7. Open-Drain Outputs: Outputs can be tied to different voltage levels, enhancing flexibility for driving various loads.
These features make the PCA9673PW ideal for applications requiring additional I/O expansion in microcontroller-based systems.

Package

The PCA9673PW is packaged in a TSSOP (Thin Shrink Small Outline Package) with 24 pins. This type of package offers a compact footprint suitable for surface mounting, making it ideal for space-constrained applications.

Pinout

The PCA9673PW is a 16-bit I²C I/O port expander with interrupt capability. It features a total of 28 pins. The main pin functions include:
1. VDD (Pins 1, 28): Power supply (operating voltage 2.3V to 5.5V).
2. GND (Pins 2, 14): Ground connection.
3. SCL (Pin 3): I²C clock line.
4. SDA (Pin 4): I²C data line.
5. INT (Pin 5): Interrupt output for indicating change in input states.
6. A0, A1, A2 (Pins 6, 7, 8): Address pins for I²C bus addressing.
7. GPIO0 to GPIO15 (Pins 9-13, 15-21): General-purpose I/O pins, configurable as inputs or outputs.
8. RESET (Pin 22): Active-low reset pin.
9. N.C. (Pins 23-27): Not connected.
The PCA9673PW allows for flexible I/O expansion and is primarily used in applications requiring additional GPIOs in an I²C environment.

Manufacturer

The PCA9673PW is manufactured by NXP Semiconductors. NXP is a global semiconductor company that specializes in developing secure connectivity solutions for a wide range of applications, including automotive, industrial, IoT (Internet of Things), and consumer electronics. The company focuses on providing innovative products that enable smart devices and secure communication in various industries, leveraging technologies such as analog, mixed signal, RF, and digital processing. NXP was formed in 2006 as a spin-off from Philips and has since grown to be a key player in the semiconductor market, known for its commitment to quality and advanced technology.

Application

The PCA9673PW is a versatile I/O expander with I2C interface, commonly used in applications such as LED and LCD control, sensor interfacing, and GPIO expansion for microcontrollers. It is ideal for managing multiple input/output devices in embedded systems, including robotics, consumer electronics, and industrial automation, where additional I/O ports are needed without increasing the complexity of the design.

Equivalent

Equivalent products to the PCA9673PW chip include the PCA9672, PCA9685, and TCA9548A, which are also I2C bus I/O expanders with varying channel counts and functionalities. Be sure to check specific features like voltage levels, pin configurations, and I2C addresses for compatibility.