R2A20150SA - 8-bit I/O Expander

Product Overview

Renesas

Part number	R2A20150SA
Manufacturer	Renesas
File Size	377.43 KB
Description	8-bit I/O Expander
Datasheet	R2A20150SA Datasheet
Note	This datasheet PDF includes multiple part numbers: R2A20150SA, R2A20150NP. Please refer to the document for exact specifications by model.
Additional preview pages of the R2A20150SA datasheet.

The R2A20150NP/SA is a CMOS 8-bit I/O expander, which has serial to parallel and parallel to serial data converting functions.

It can communicate with a microcontroller via few wiring thanks to the adoption of the 2-wire I2C BUS.

Simple 2-wire (SCL and SDA) communication with a microcontroller.
8-bit data conversion between serial and parallel by I2C BUS.
Corresponds to Fast mode (400kHz) of I2C BUS specification.
Possible to set input and output each bit separately.
By using three chip select pins (CS0,CS1,CS2), R2A20150 can connect with the same BUS line to maximum 8 pieces.
Very small package line-up QFN-16 and TSSOP-16.

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Published: Apr 5, 2016 |