I2C Bus

I²C Bus Fundamentals

NXP Semiconductors

This tutorial will introduce the I²C bus, overview its hardware architecture, explain its communication waveforms, and step through the data transfer sequence. It will also explain the advantages of I²C and review the electrical specifications for the different I²Cmodes.
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Related Parts

ImageManufacturer Part NumberDescriptionPackagingAvailable Quantity
PCF8563T/5,518 datasheet linkIC RTC CLK/CALENDAR I2C 8-SOICPCF8563T/5,518IC RTC CLK/CALENDAR I2C 8-SOICCut Tape (CT)23943 - Immediate
PCF8563T/5,518 product page link
PCF8563TS/5,118 datasheet linkIC RTC CLK/CALENDAR I2C 8-TSSOPPCF8563TS/5,118IC RTC CLK/CALENDAR I2C 8-TSSOPCut Tape (CT)6840 - Immediate
PCF8563TS/5,118 product page link
PCF8523TK/1,118 datasheet linkIC RTC CLK/CALENDAR I2C 8-HVSONPCF8523TK/1,118IC RTC CLK/CALENDAR I2C 8-HVSONCut Tape (CT)22527 - Immediate
PCF8523TK/1,118 product page link
PCF8523T/1,118 datasheet linkIC RTC CLK/CALENDAR I2C 8-SOICPCF8523T/1,118IC RTC CLK/CALENDAR I2C 8-SOICCut Tape (CT)6653 - Immediate
PCF8523T/1,118 product page link
PCF8563T/F4,118 datasheet linkIC RTC CLK/CALENDAR I2C 8-SOICPCF8563T/F4,118IC RTC CLK/CALENDAR I2C 8-SOICCut Tape (CT)14618 - Immediate
PCF8563T/F4,118 product page link
PCA8565TS/1,118 datasheet linkIC RTC CLK/CALENDAR I2C 8-TSSOPPCA8565TS/1,118IC RTC CLK/CALENDAR I2C 8-TSSOPCut Tape (CT)4786 - Immediate
PCA8565TS/1,118 product page link
PCF8593T/1,118 datasheet linkIC RTC CLK/CALENDAR I2C 8-SOICPCF8593T/1,118IC RTC CLK/CALENDAR I2C 8-SOICCut Tape (CT)2741 - Immediate
PCF8593T/1,118 product page link
PCF8583T/5,518 datasheet linkIC RTC CLK/CALENDAR I2C 8-SOICPCF8583T/5,518IC RTC CLK/CALENDAR I2C 8-SOICCut Tape (CT)5782 - Immediate
PCF8583T/5,518 product page link
PCF8591T/2,518 datasheet linkIC ADC/DAC 8-BIT I2C 16-SOICPCF8591T/2,518IC ADC/DAC 8-BIT I2C 16-SOICCut Tape (CT)7348 - Immediate
PCF8591T/2,518 product page link
PCF2127AT/2Y datasheet linkIC RTC CLK/CAL I2C/SPI 20-SOICPCF2127AT/2YIC RTC CLK/CAL I2C/SPI 20-SOICCut Tape (CT)5587 - Immediate
PCF2127AT/2Y product page link
PCF8523TS/1,118 datasheet linkIC RTC CLK/CALENDAR I2C 14-TSSOPPCF8523TS/1,118IC RTC CLK/CALENDAR I2C 14-TSSOPCut Tape (CT)2872 - Immediate
PCF8523TS/1,118 product page link
PCA9564PW,112 datasheet linkIC CTRL PARALLEL/I2C BUS 20TSSOPPCA9564PW,112IC CTRL PARALLEL/I2C BUS 20TSSOPTube2327 - Immediate
PCA9564PW,112 product page link
PCF8523TS/1,112 datasheet linkIC RTC CLK/CALENDAR I2C 14-TSSOPPCF8523TS/1,112IC RTC CLK/CALENDAR I2C 14-TSSOPTube3242 - Immediate
PCF8523TS/1,112 product page link
PCF8563BS/4,118 datasheet linkIC RTC CLK/CALENDAR I2C 10-HVSONPCF8563BS/4,118IC RTC CLK/CALENDAR I2C 10-HVSONCut Tape (CT)1908 - Immediate
PCF8563BS/4,118 product page link
PCF8563TS/4,118 datasheet linkIC RTC CLK/CALENDAR I2C 8-TSSOPPCF8563TS/4,118IC RTC CLK/CALENDAR I2C 8-TSSOPCut Tape (CT)2819 - Immediate
PCF8563TS/4,118 product page link
PCA9564D,112 datasheet linkIC CTRL PARALLEL/I2C BUS 20-SOICPCA9564D,112IC CTRL PARALLEL/I2C BUS 20-SOICTube425 - Immediate
PCA9564D,112 product page link
SC18IS602BIPW,128 datasheet linkIC BRIDGE SPI/I2C 16-TSSOPSC18IS602BIPW,128IC BRIDGE SPI/I2C 16-TSSOPCut Tape (CT)292 - Immediate
SC18IS602BIPW,128 product page link
PCF8583P/F5,112 datasheet linkIC RTC CLK/CALENDAR I2C 8-DIPPCF8583P/F5,112IC RTC CLK/CALENDAR I2C 8-DIPTube0PCF8583P/F5,112 product page link
PCF8591P,112 datasheet linkIC ADC/DAC 8-BIT I2C 16-DIPPCF8591P,112IC ADC/DAC 8-BIT I2C 16-DIPTube0PCF8591P,112 product page link
PCF8563T/F4,112 datasheet linkIC RTC CLK/CALENDAR I2C 8-SOICPCF8563T/F4,112IC RTC CLK/CALENDAR I2C 8-SOICTube0PCF8563T/F4,112 product page link
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PTM Published on: 2011-06-22