Overview
The PCAL6416AER is a 16-bit general-purpose input/output (GPIO) expander produced by NXP USA Inc. This component is designed to expand the number of GPIO pins available on a system, making it an efficient solution for various applications. It supports both I2C and SMBus interfaces, allowing for seamless integration into a wide range of electronic systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Number of I/O Pins | 16 individually configurable |
| Interface | I2C and SMBus |
| Interrupt Output | Open-drain interrupt (INT) output |
| Power-on Reset (POR) | Yes |
| Output Types | Open-drain and push-pull |
| Output Current Drive Capability | 10mA/25mA |
| Supply Voltage Range | 1.65V to 5.5V |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 24UFBGA or 24HWQFN |
Key Features
- 16 individually configurable I/O pins with programmable output drive strength.
- Support for I2C and SMBus interfaces.
- Interrupt output with maskable interrupt and interrupt status register.
- Power-on reset (POR) feature and reset pin for system initialization.
- Open-drain and push-pull output types with high output current drive capability.
- Wide supply voltage range of 1.65V to 5.5V and operating temperature range of -40°C to 85°C.
- Bi-directional voltage level translation for mixed signal environments.
- Programmable pull-up/pull-down resistors and latchable inputs.
- Polarity inversion register to save external logic gates.
Applications
- Industrial automation and control.
- Home and building automation.
- Consumer electronics.
- Medical equipment.
- Automotive electronics.
Q & A
- What is the PCAL6416AER?
The PCAL6416AER is a 16-bit general-purpose input/output (GPIO) expander with I2C and SMBus interface.
- How many I/O pins does the PCAL6416AER have?
The PCAL6416AER has 16 individually configurable I/O pins.
- What interfaces does the PCAL6416AER support?
The PCAL6416AER supports both I2C and SMBus interfaces.
- What is the supply voltage range of the PCAL6416AER?
The supply voltage range is from 1.65V to 5.5V.
- What is the operating temperature range of the PCAL6416AER?
The operating temperature range is from -40°C to 85°C.
- Does the PCAL6416AER have an interrupt output?
Yes, it has an open-drain interrupt (INT) output.
- What are the output types supported by the PCAL6416AER?
The PCAL6416AER supports both open-drain and push-pull output types.
- Can the PCAL6416AER perform bi-directional voltage level translation?
Yes, it can perform bi-directional voltage level translation for mixed signal environments.
- What are some common applications of the PCAL6416AER?
Common applications include industrial automation, home and building automation, consumer electronics, medical equipment, and automotive electronics.
- Is the PCAL6416AER an active product?
Yes, the PCAL6416AER is an active product and is not nearing discontinuation.
