I/O Expanders

Browse available I/O Expanders components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.

If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Programmable	Number of I/O	Interface	Interrupt Output	Features	Output Type	Current - Output Source/Sink	Clock Frequency	Voltage - Supply	Operating Temperature	Grade	Qualification	Mounting Type	Supplier Device Package
PCA9670D,512 IC XPNDR 1MHZ I2C 16SO NXP USA Inc.	1,749	-	RFQ	Datasheet	-	16-SOIC (0.295", 7.50mm Width)	Bulk	Obsolete	Not Verified	8	I2C	No	POR	Push-Pull	100µA, 25mA	1 MHz	2.3V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	16-SO
PCA9534PW,112 IC XPND 400KHZ I2C SMBUS 16TSSOP NXP USA Inc.	1,165	-	RFQ	Datasheet	-	16-TSSOP (0.173", 4.40mm Width)	Tube	Obsolete	Not Verified	8	I2C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	16-TSSOP
XRA1202PIL16TR-F IC XPNDR 400KHZ I2C SMBUS 16QFN MaxLinear, Inc.	30,000	-	RFQ	Datasheet	-	16-VFQFN Exposed Pad	Tape & Reel (TR)	Last Time Buy	Not Verified	8	I2C, SMBus	Yes	-	Open Drain	-	400 kHz	1.65V ~ 3.6V	-40°C ~ 85°C	-	-	Surface Mount	16-QFN (3x3)
PCA9500D,118 IC XPNDR 400KHZ I2C SMBUS 16SO NXP USA Inc.	4,552	-	RFQ	Datasheet	-	16-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	8	I2C, SMBus	No	EEPROM, POR	Push-Pull	100µA, 25mA	400 kHz	2.5V ~ 3.6V	-40°C ~ 85°C	-	-	Surface Mount	16-SO
PCA9500D,112 IC XPNDR 400KHZ I2C SMBUS 16SO NXP USA Inc.	2,263	-	RFQ	Datasheet	-	16-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	Not Verified	8	I2C, SMBus	No	EEPROM, POR	Push-Pull	100µA, 25mA	400 kHz	2.5V ~ 3.6V	-40°C ~ 85°C	-	-	Surface Mount	16-SO
PCA9554ADW IC XPNDR 400KHZ I2C SMBUS 16SOIC Texas Instruments	4,660	-	RFQ	Datasheet	-	16-SOIC (0.295", 7.50mm Width)	Bulk	Obsolete	Not Verified	8	I2C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	16-SOIC
PCA9501PW,112 IC XPND 400KHZ I2C SMBUS 20TSSOP NXP USA Inc.	3,511	-	RFQ	Datasheet	-	20-TSSOP (0.173", 4.40mm Width)	Tube	Obsolete	Not Verified	8	I2C, SMBus	Yes	EEPROM, POR	Push-Pull	100µA, 25mA	400 kHz	2.5V ~ 3.6V	-40°C ~ 85°C	-	-	Surface Mount	20-TSSOP
PCA9672BS,118 IC XPNDR 1MHZ I2C SMBUS 16HVQFN NXP Semiconductors	77,938	-	RFQ	Datasheet	-	16-VFQFN Exposed Pad	Bulk	Obsolete	Not Verified	8	I2C, SMBus	Yes	POR	Push-Pull	300µA, 43mA	1 MHz	2.3V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	16-HVQFN (3x3)
PCA9571GUX IC XPNDR 1MHZ I2C 12XQFN NXP USA Inc.	7,664	-	RFQ	Datasheet	-	12-XFQFN	Tape & Reel (TR)	Obsolete	Not Verified	8	I2C	No	POR	Push-Pull	-	1 MHz	1.1V ~ 3.6V	-40°C ~ 85°C	-	-	Surface Mount	12-XQFN (2x1.7)
PCA9500D IC I/O EXPANDER I2C 8B 16SOIC NXP USA Inc.	416	-	RFQ	Datasheet	-	16-SOIC (0.295", 7.50mm Width)	Bulk	Active	-	8	I2C, SMBus	Yes	EEPROM, POR	Push-Pull	300µA, 25mA	400 kHz	2.5V ~ 3.6V	-40°C ~ 85°C	-	-	Surface Mount	16-SO
TCA6416AZQSR REEL TCA6416AZQSR REEL Texas Instruments	1,123	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
LC709006V-TLM-E IC IO EXPANDER onsemi	2,574	-	RFQ	Datasheet	-	-	Tape & Reel (TR)	Obsolete	Not Verified	-	-	No	-	-	-	-	2V ~ 6V	-40°C ~ 85°C	-	-	-	-
PCA9538DW IC XPNDR 400KHZ I2C SMBUS 16SOIC Texas Instruments	1,340	-	RFQ	Datasheet	-	16-SOIC (0.295", 7.50mm Width)	Bulk	Active	Not Verified	8	I2C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	16-SOIC
PCA9539D,118 IC XPNDR 400KHZ I2C SMBUS 24SO NXP USA Inc.	8,272	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Bulk	Obsolete	Not Verified	16	I2C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	24-SO
MAX7310ETE 2-WIRE-INTERFACED 8 BIT I/O PORT Analog Devices Inc./Maxim Integrated	7,334	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
LC709006V-TLM-E-SA I/O-EXPANDER FOR MICROCONTROLLER Sanyo	7,000	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
MAX7311EAG 2-WIRE-INTERFACED 16 BIT I/O POR Analog Devices Inc./Maxim Integrated	548	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
PCAL6416AERJ IC XPND 400KHZ I2C SMBUS 24UFBGA NXP USA Inc.	500	-	RFQ	Datasheet	Agile	24-UFBGA	Tape & Reel (TR)	Obsolete	Not Verified	16	I2C, SMBus	Yes	POR	Open Drain, Push-Pull	10mA, 25mA	400 kHz	1.65V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	24-UFBGA (2x2)
PCA9673D,112 IC XPNDR 1MHZ I2C 24SO NXP USA Inc.	1,980	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	Not Verified	16	I2C	Yes	POR	Push-Pull	100µA, 25mA	1 MHz	2.3V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	24-SO
PCF8574DW IC XPNDR 100KHZ I2C 16SOIC Texas Instruments	4,878	-	RFQ	Datasheet	-	16-SOIC (0.295", 7.50mm Width)	Bulk	Obsolete	Not Verified	8	I2C	Yes	POR	Push-Pull	1mA, 25mA	100 kHz	2.5V ~ 6V	-40°C ~ 85°C	-	-	Surface Mount	16-SOIC

I/O Expanders FAQ

What I/O Expanders components can I source from EGOO?

You can browse available I/O Expanders product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.

Can EGOO help with hard-to-source or obsolete I/O Expanders parts?

Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.

Does EGOO support BOM and small-batch sourcing?

Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.

How do I request pricing and availability?

Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.