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特性

  • 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.

描述

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. Maximum 8 ICs can be connected to a bus by using 3-chip select pins, so that it is possible to handle up to 64 bits data.

Part NumberStatusSamplesStockRoHSPackageLead Count (#)Carrier TypePb (Lead) Free
R2A20150SAObsoleteN/AOut of StockRoHS:EN
RoHS:JA
TSSOP16#Tape & ReelYes
R2A20150SA#W5ObsoleteN/AOut of StockRoHS:EN
RoHS:JA
TSSOP16#Tape & ReelYes
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