Overview
The PCA9536DP,118 is a 4-bit CMOS I²C-bus and SMBus I/O Port produced by NXP USA Inc. This device provides 4 bits of general-purpose parallel input/output (GPIO) expansion for I²C-bus/SMBus applications. It is designed to enhance the NXP Semiconductors family of I²C-bus I/O expanders, offering a simple solution when additional I/O is needed for various applications such as ACPI power switches, sensors, push buttons, LEDs, and fans.
Key Specifications
| Attribute | Value |
|---|---|
| Interface Type | I2C/SMBus |
| Clock Frequency - Max | 400 kHz |
| No of I/O Lines | 4 |
| Supply Voltage - Nom | 2.3 V to 5.5 V |
| Supply Current | 290 µA |
| Package Style | TSSOP-8 |
| Mounting Method | Surface Mount |
| Ambient Temperature | -40°C to +85°C |
Key Features
- 4-bit I²C-bus GPIO expansion
- Operating power supply voltage range of 2.3 V to 5.5 V
- 5 V tolerant I/Os
- Polarity Inversion register for active HIGH or active LOW operation
- Low standby current
- Noise filter on SCL/SDA inputs
- No glitch on power-up
- Internal power-on reset
- 4 I/O pins which default to 4 inputs with 100 kΩ internal pull-up resistor
Applications
The PCA9536DP,118 is suitable for a variety of applications where additional I/O is required, including:
- ACPI power switches
- Sensors
- Push buttons
- LEDs
- Fans
- Communications and Networking
Q & A
- What is the PCA9536DP,118 used for?
The PCA9536DP,118 is used for providing 4 bits of general-purpose parallel input/output (GPIO) expansion for I²C-bus/SMBus applications.
- What is the operating voltage range of the PCA9536DP,118?
The operating voltage range is from 2.3 V to 5.5 V.
- What is the maximum clock frequency of the PCA9536DP,118?
The maximum clock frequency is 400 kHz.
- How many I/O lines does the PCA9536DP,118 have?
The device has 4 I/O lines.
- What is the package style of the PCA9536DP,118?
The package style is TSSOP-8.
- Does the PCA9536DP,118 have internal power-on reset?
Yes, it has an internal power-on reset.
- What is the default configuration of the I/O pins at reset?
All I/O pins are set to inputs at reset with a weak pull-up to VDD.
- Can the polarity of the I/Os be inverted?
Yes, the polarity of the I/Os can be inverted using the Polarity Inversion register.
- What is the typical supply current of the PCA9536DP,118?
The typical supply current is 290 µA.
- What are some common applications of the PCA9536DP,118?
Common applications include ACPI power switches, sensors, push buttons, LEDs, and fans.
