Overview
The PCA9536D,112 is an 8-pin CMOS device manufactured by NXP USA Inc., designed to provide 4 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus and SMBus applications. This device is part of NXP's 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
| Parameter | Conditions | Min | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 2.3 | 5.5 | V | |
| Input/Output Voltage (VI/O) | VSS to 5.5 V | 0.5 | 5.5 | V |
| Output Current (IO) | 50 | mA | ||
| Supply Current (IDD) | 85 | mA | ||
| Ground Supply Current (ISS) | 100 | mA | ||
| Total Power Dissipation (Ptot) | 200 | mW | ||
| Storage Temperature (Tstg) | -65 | 150 | °C | |
| Ambient Temperature (Tamb) | -40 | 85 | °C | |
| Maximum Junction Temperature (Tj) | 125 | °C | ||
| Clock Frequency | 0 | 400 | kHz | |
| ESD Protection | HBM/MM/CDM | 2000/200/1000 | V |
Key Features
- 4-bit Configuration register for input or output selection
- 4-bit Input Port register and 4-bit Output Port register
- 4-bit Polarity Inversion register for active HIGH or active LOW operation
- Operating power supply voltage range of 2.3 V to 5.5 V
- 5 V tolerant I/Os
- Low standby current
- Noise filter on SCL/SDA inputs
- No glitch on power-up
- Internal power-on reset
- 4 I/O pins defaulting to inputs with 100 kΩ internal pull-up resistor
- ESD protection exceeds 2000 V HBM, 200 V MM, and 1000 V CDM
- Latch-up testing exceeds 100 mA per JEDEC Standard JESD78
- Packages offered: SO8, TSSOP8 (MSOP8), HVSON8
Applications
The PCA9536D,112 is suitable for a variety of applications where additional I/O is required, such as:
- ACPI power switches
- Sensors
- Push buttons
- LEDs
- Fans
- Other general-purpose I/O expansion needs
Q & A
- What is the PCA9536D,112 used for?
The PCA9536D,112 is used for providing 4 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus and SMBus applications. - What is the operating voltage range of the PCA9536D,112?
The operating voltage range is from 2.3 V to 5.5 V. - What types of packages are available for the PCA9536D,112?
The device is available in SO8, TSSOP8 (MSOP8), and HVSON8 packages. - What is the clock frequency range of the PCA9536D,112?
The clock frequency range is from 0 Hz to 400 kHz. - Does the PCA9536D,112 have ESD protection?
Yes, it has ESD protection exceeding 2000 V HBM, 200 V MM, and 1000 V CDM. - How are the I/O pins configured at reset?
The I/O pins are configured as inputs with a weak pull-up to VDD at reset. - What is the maximum output current per pin?
The maximum output current per pin is 50 mA. - What is the maximum total power dissipation?
The maximum total power dissipation is 200 mW. - What is the maximum junction temperature?
The maximum junction temperature is 125°C. - Does the PCA9536D,112 have internal power-on reset?
Yes, it has an internal power-on reset. - What is the purpose of the Polarity Inversion register?
The Polarity Inversion register allows for active HIGH or active LOW operation of the I/Os.
