PCA8550 | NXP Semiconductors

4-Bit Multiplexed/1-Bit Latched 5-Bit I²C EEPROM DIP Switch

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Product Details

Block Diagram

PCA8550 Block Diagram

PCA8550 Block Diagram

Features

Key Features

  • 4-bit 2-to-1 multiplexer, 1-bit latch DIP switch
  • 5-bit internal non-volatile register
  • Override input forces all outputs to logic 0
  • Internal non-volatile register write/readable via I²C-bus
  • Write-protect pin enables/disables I²C writes to register
  • 2.5 V multiplexed outputs
  • 3.3 V non-multiplexed output (latched)
  • 5 V tolerant inputs
  • Useful for "jumperless" configuration of PC motherboards
  • Designed for use in Pentium Pro/Pentium II systems

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Documentation

Quick reference to our documentation types.

1-10 of 11 documents

Compact List

Application Note (2)
  • AN10216[AN10216]
  • AN250_1[AN250_1]
Data Sheet (1)
Package Information (2)
Packing Information (1)
Supporting Information (3)
User Guide (2)
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Design Files

Quick reference to our design files types.

5 design files

Engineering Services

2 engineering services

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