Overview
The PCA9536D,118 is an 8-pin CMOS device produced by NXP USA Inc., designed to provide 4 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications. This device is part of NXP's family of I2C-bus I/O expanders, offering a simple solution for adding additional I/O capabilities to various systems, such as those requiring 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 | SOIC-8 |
| Mounting Method | Surface Mount |
| Operating 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
- ESD protection exceeds 2000 V HBM, 200 V MM, and 1000 V CDM
Applications
The PCA9536D,118 is suitable for a variety of applications where additional I/O is required, such as:
- ACPI power switches
- Sensors
- Push buttons
- LEDs
- Fans
- Other subsystems requiring I/O expansion
Q & A
- What is the PCA9536D,118 used for?
The PCA9536D,118 is used for providing 4 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications. - What is the maximum clock frequency of the PCA9536D,118?
The maximum clock frequency is 400 kHz. - How many I/O lines does the PCA9536D,118 have?
The device has 4 I/O lines. - What is the nominal supply voltage range for the PCA9536D,118?
The nominal supply voltage range is 2.3 V to 5.5 V. - What is the typical supply current of the PCA9536D,118?
The typical supply current is 290 µA. - What type of package does the PCA9536D,118 come in?
The device comes in an SOIC-8 package. - How is the PCA9536D,118 mounted?
The device is surface mounted. - What is the operating temperature range of the PCA9536D,118?
The operating temperature range is -40°C to +85°C. - Does the PCA9536D,118 have ESD protection?
Yes, it exceeds 2000 V HBM, 200 V MM, and 1000 V CDM. - What happens to the I/Os during power-up?
The I/Os default to inputs with a weak pull-up to VDD and there is no glitch on power-up.
