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PCAL6534 - Ultra low-voltage translating 34-bit Fm+ I2C-bus/SMBus I/O expander

PCAL6534 Description

PCAL6534 Ultra low-voltage translating 34-bit Fm+ I2C-bus/SMBus I/O expander with Agile I/O .
The PCAL6534 is a 34-bit general purpose I/O expander that provides remote I/O expansion for most microcontroller families via the Fast-mode Plus (Fm+.

PCAL6534 Features

* I2C-bus to parallel port expander
* 1 MHz Fast-mode Plus I2C-bus
* Operating power supply voltage range of 0.8 V to 3.6 V on the I2C-bus side
* Allows bidirectional voltage-level translation and GPIO expansion between 0.8 V to 3.6 V SCL/SDA and 1.8 V, 2.5 V, 3.3 V, 5.5 V Port P

PCAL6534 Applications

* for interfacing to sensors, push buttons, keypad, etc. In addition to providing a flexible set of GPIOs, it simplifies interconnection of a processor running at one voltage level down to 0.8 V to I/O devices operating at a different voltage level 1.65 V to 5.5 V. The PCAL6534 has built-in level shif

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Datasheet Details

Part number
PCAL6534
Manufacturer
NXP ↗
File Size
2.50 MB
Datasheet
PCAL6534-NXP.pdf
Description
Ultra low-voltage translating 34-bit Fm+ I2C-bus/SMBus I/O expander

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Ultra low-voltage translating 34-bit Fm + I2C-bus SMBus expander NXP
NXP PCAL6534-like datasheet