Interface - I/O Expanders

Category Introduction

Devices in this family are used in conjunction with microcontrollers, microprocessors, or similar devices for the purpose of increasing the number of signal connections available for connecting peripheral devices. The typical concept of operation involves the use of serial communications requiring only a few I/O lines on the host device to read/write the status of many input/output pins on the expander device. The technique exchanges speed of communication for increased connectivity, and is best suited for applications where fast response is not critical, such as in many human interface applications.

Product List

1060 Items

PDF	Mfr Part #	Quantity Available	UnitPrice	RFQ	Series	Packaging	Product Status	Number of I/O	Interface	Interrupt Output	Features	Output Type	Current - Output Source/Sink	Clock Frequency	Voltage - Supply	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
	IS31IO7325-GRLS4 IC MULTI-FUNCTION I/O DVR 24SOP Lumissil Microsystems	340	$1.01			Tube	Active	8	I²C, Serial	Yes	POR	Open Drain	20mA	400 kHz	2.4V ~ 5.5V	-40°C ~ 125°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOP
	PCA9534ADBR IC I/O EXPANDER I2C 8B 16SSOP Texas Instruments	749	$1.04			Tape & Reel (TR)	Active	8	I²C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	16-SSOP (0.209", 5.30mm Width)	16-SSOP
	PCA9534ADGVR IC I/O EXPANDER I2C 8B 16TVSOP Texas Instruments	33	$2.08			Tape & Reel (TR)	Active	8	I²C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	16-TFSOP (0.173", 4.40mm Width)	16-TVSOP
	PCA9534DBR IC I/O EXPANDER I2C 8B 16SSOP Texas Instruments	63	$1.07			Tape & Reel (TR)	Active	8	I²C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	16-SSOP (0.209", 5.30mm Width)	16-SSOP
	PCA9534DGVR IC I/O EXPANDER I2C 8B 16TVSOP Texas Instruments	622	$1.06			Tape & Reel (TR)	Active	8	I²C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	16-TFSOP (0.173", 4.40mm Width)	16-TVSOP
	PI4IOE5V6416Q2LEX INTERFACE IO EXPANDER TSSOP-24 T Diodes Incorporated	8	$1.17			Tape & Reel (TR)	Active	16	I²C	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	1.65V ~ 5.5V	-40°C ~ 105°C	Surface Mount	24-TSSOP (0.173", 4.40mm Width)	24-TSSOP
	PI4IOE5V6416AQ2LEX INTERFACE IO EXPANDER TSSOP-24 T Diodes Incorporated	141	$1.18			Tape & Reel (TR)	Active	16	I²C	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	1.65V ~ 5.5V	-40°C ~ 105°C	Surface Mount	24-TSSOP (0.173", 4.40mm Width)	24-TSSOP
	MCP23009-E/P IC I/O EXPANDER I2C 8B 18DIP Microchip Technology	80	$1.56			Tube	Active	8	I²C	Yes	POR	Open Drain	25mA	3.4 MHz	1.8V ~ 5.5V	-40°C ~ 125°C	Through Hole	18-DIP (0.300", 7.62mm)	18-PDIP
	MCP23009T-E/MG IC I/O EXPANDER I2C 8B 16QFN Microchip Technology	546	$1.59			Tape & Reel (TR)	Active	8	I²C	Yes	POR	Open Drain	25mA	3.4 MHz	1.8V ~ 5.5V	-40°C ~ 125°C	Surface Mount	16-VFQFN Exposed Pad	16-QFN (3x3)
	PCA9554DGVR IC I/O EXPANDER I2C 8B 16TVSOP Texas Instruments	679	$1.04			Tape & Reel (TR)	Active	8	I²C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	16-TFSOP (0.173", 4.40mm Width)	16-TVSOP
	PCA9554DWR IC I/O EXPANDER I2C 8B 16SOIC Texas Instruments	730	$1.04			Tape & Reel (TR)	Active	8	I²C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
	XRA1403IL24TR-F IC I/O PORT EXPANDER 16 BIT SPI MaxLinear, Inc.	234	$1.25			Tape & Reel (TR)	Active	16	SPI	Yes	-	Open Drain	-	26 MHz	1.65V ~ 3.6V	-40°C ~ 85°C	Surface Mount	24-VFQFN Exposed Pad	24-QFN (4x4)
	XRA1405IL24TR-F IC I/O PORT EXPANDER 16 BIT SPI MaxLinear, Inc.	518	$1.26			Tape & Reel (TR)	Active	16	SPI	Yes	-	Open Drain	-	26 MHz	1.65V ~ 3.6V	-40°C ~ 85°C	Surface Mount	24-VFQFN Exposed Pad	24-QFN (4x4)
	PCA6107DWR IC I/O EXPANDER I2C 8B 18SOIC Texas Instruments	862	$1.09			Tape & Reel (TR)	Obsolete	8	I²C, SMBus	Yes	POR	Open Drain, Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	18-SOIC (0.295", 7.50mm Width)	18-SOIC
	PCA9535DBQR IC I/O EXPANDER I2C 16B 24QSOP Texas Instruments	894	$1.10			Tape & Reel (TR)	Active	16	I²C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-SSOP
	PCA9535DGVR IC I/O EXPANDER I2C 16B 24TVSOP Texas Instruments	275	$1.09			Tape & Reel (TR)	Active	16	I²C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	24-TFSOP (0.173", 4.40mm Width)	24-TVSOP
	TCA1116PWR IC I/O EXPANDR I2C 16BIT 24TSSOP Texas Instruments	698	$1.21			Tape & Reel (TR)	Active	16	I²C	Yes	POR	Push-Pull	-	400 kHz	1.65V ~ 5.5V	-40°C ~ 85°C	Surface Mount	24-TSSOP (0.173", 4.40mm Width)	24-TSSOP
	TCA1116RTWR IC I/O EXPANDER I2C 16BIT 24WQFN Texas Instruments	250	$1.18			Tape & Reel (TR)	Active	16	I²C	Yes	POR	Push-Pull	-	400 kHz	1.65V ~ 5.5V	-40°C ~ 85°C	Surface Mount	24-WFQFN Exposed Pad	24-WQFN (4x4)
	PCA9539DBQR IC I/O EXPANDER I2C 16B 24QSOP Texas Instruments	121	$1.11			Tape & Reel (TR)	Active	16	I²C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-SSOP
	PCA9539DBR IC I/O EXPANDER I2C 16B 24SSOP Texas Instruments	689	$1.21			Tape & Reel (TR)	Active	16	I²C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	24-SSOP (0.209", 5.30mm Width)	24-SSOP