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PCF8575CTS/1118 SMD IC Remote 16-bit I/O expander for I2C-bus NXP

Features:

  1. Operating supply voltage from 4.5 to 5.5 V
  2. Low standby current consumption of 10 µA maximum
  3. I2C-bus to parallel port expander
  4. 400 kbits/s FAST I2C-bus
  5. Open-drain interrupt output
  6. 16-bit remote I/O port for the I2C-bus
  7. Compatible with most microcontrollers
  8. Latched outputs with high current drive capability for directly driving LEDs
  9. Address by 3 hardware address pins for use of up to 8 devices
  10. SSOP24 package
SKU: RDNA-29.3

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194.70 (Inc. GST)
165.00 (+18% GST Extra)

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Description

The device consists of a 16-bit quasi-bidirectional port and an I2C-bus interface. The PCF8575 has a low current consumption and includes latched outputs with high current drive capability for directly driving LEDs. It also possesses an interrupt line (INT) which can be connected to the interrupt logic of the microcontroller. By sending an interrupt signal on this line, the remote I/O can inform the microcontroller if there is incoming data on its ports without having to communicate via the I2C-bus. This means that
the PCF8575 is an I2C-bus slave transmitter/receiver. Every data transmission from the PCF8575 must consist of an even number of bytes, the first byte will be referred to as P07 to P00 and the second byte as P17 to P10. The third will be referred to as P07 to P00.

Datasheet available here.

 

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