PCA9670BS,118 datasheet by NXP Semiconductors

PCA9670BS,118 Frequently Asked Questions (FAQs)

• What is the maximum frequency of the I2C bus that PCA9670BS,118 can support?
  The PCA9670BS,118 can support I2C bus frequencies up to 400 kHz.
• Can PCA9670BS,118 be used in 5V systems?
  Yes, PCA9670BS,118 is 5V tolerant, but it operates at 3.3V internally. External voltage regulators may be required for 5V systems.
• How many I/Os can be expanded using PCA9670BS,118?
  PCA9670BS,118 can expand up to 16 I/Os, with 8 bits of input/output ports and 8 bits of high-current output ports.
• Is PCA9670BS,118 compatible with other I2C devices?
  Yes, PCA9670BS,118 is compatible with other I2C devices, but it may require additional circuitry or software configuration to ensure compatibility.
• What is the power consumption of PCA9670BS,118?
  The power consumption of PCA9670BS,118 is typically around 1.5mA at 3.3V, but it can vary depending on the operating frequency and I/O usage.