PCF8584P I2C-Bus Controller


PCF8584P I2C-Bus Controller in DIP20 package.

Brand: NXP (Philips)

Pack of 1-piece/lot.

Image is for package illustration purpose only. Refer to product specs for detail.

Out of stock

SKU: PCF8584P Category:


The PCF8584 is an integrated circuit designed in CMOS technology which serves as an interface between most standard parallel-bus microcontrollers/ microprocessors and the serial I2C-bus. The PCF8584 provides both master and slave functions. Communication with the I2C-bus is carried out on a byte-wise basis using interrupt or polled handshake. It controls all the I2C-bus specific sequences, protocol, arbitration and timing. The PCF8584 allows parallel-bus systems to communicate bidirectionally with the I2C-bus.


  • Parallel-bus to I2C-bus protocol converter and interface.
  • Compatible with most parallel-bus microcontrollers/microprocessors including 8049, 8051,6800, 68000 and Z80.
  • Both master and slave functions.
  • Automatic detection and adaption to bus interface type.
  • Programmable interrupt vector.
  • Multi-master capability.
  • I2C-bus monitor mode.
  • Long-distance mode (4-wire).
  • Operating supply voltage 4.5 to 5.5V.
  • Operating temperature range:40 to +85°C

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