Overview
The PCA9534PW,118 is a 16-pin CMOS device produced by NXP USA Inc., designed to provide 8 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 and offers several enhancements including higher drive capability, 5 V I/O tolerance, lower supply current, individual I/O configuration, and a 400 kHz clock frequency. It is packaged in a TSSOP-16 surface mount package, making it suitable for a variety of applications requiring additional I/O ports.
Key Specifications
| Attribute | Specification |
|---|---|
| Interface Type | I2C/SMBus |
| Clock Frequency-Max | 400 kHz |
| No of I/O Lines | 8 |
| Supply Voltage-Nom | 2.3 V to 5.5 V |
| Supply Current | 104 µA |
| Output Type | Push Pull |
| Output Current | 25 mA |
| Operating Temp Range | -40°C to +85°C |
| Storage Temperature Range | -65°C to +150°C |
| Power Dissipation | 0.2 W |
| Moisture Sensitivity Level | 1 |
| Package Style | TSSOP-16 |
| Mounting Method | Surface Mount |
Key Features
- 8-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
- Active LOW interrupt output
- Low standby current
- Noise filter on SCL/SDA inputs
- No glitch on power-up
- Internal power-on reset
Applications
The PCA9534PW,118 is designed to provide additional I/O ports for various applications, including:
- ACPI power switches
- Sensors
- Push buttons
- LEDs
- Fans
- Other general-purpose I/O needs
Q & A
- What is the PCA9534PW,118 used for?
The PCA9534PW,118 is used to provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications.
- What is the clock frequency of the PCA9534PW,118?
The clock frequency of the PCA9534PW,118 is up to 400 kHz.
- What is the supply voltage range of the PCA9534PW,118?
The supply voltage range is from 2.3 V to 5.5 V.
- What is the output current capability of the PCA9534PW,118?
The output current capability is up to 25 mA.
- What is the operating temperature range of the PCA9534PW,118?
The operating temperature range is from -40°C to +85°C.
- Does the PCA9534PW,118 have an interrupt output?
- What is the package style of the PCA9534PW,118?
The package style is TSSOP-16.
- Is the PCA9534PW,118 RoHS compliant?
- What are some common applications for the PCA9534PW,118?
- Does the PCA9534PW,118 have noise filtering on its inputs?
- Does the PCA9534PW,118 have an internal power-on reset?
