PCA8550 - 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM

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NXP

PCA8550 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM by NXP - Datasheet Preview — Datasheet preview – PCA8550

Datasheet Details

Part number	PCA8550
Manufacturer	NXP
File Size	87.96 KB
Description	4-bit multiplexed/1-bit latched 5-bit I2C EEPROM
Datasheet	PCA8550 Datasheet
Additional preview pages of the PCA8550 datasheet.

Product details

Description

The primary function of the 4-bit 2-to-1 I2C multiplexer is to select either a 4-bit input or data from a non-volatile register and drive this value onto the output pins.

Features

4-bit 2-to-1 multiplexer, 1-bit latch.
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.
2.5V multiplexed outputs.
3.3V non-multiplexed output (latched).
5V tolerant inputs.
Useful for ’jumperless’ configuration of PC motherboards.
Designed for use in Pentium Pro/Pe.

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Published: Mar 22, 2005 |