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
PCA9704PW/Q900J IC XPNDR 5MHZ SPI 16TSSOP NXP USA Inc.	1,267	-	RFQ	Datasheet	-	16-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Active	Not Verified	8 (Input Only)	SPI	Yes	-	Open Drain	-	5 MHz	4.5V ~ 5.5V	-40°C ~ 125°C	Automotive	AEC-Q100	Surface Mount	16-TSSOP
PCA9535EDTR2G IC XPND 100KHZ I2C SMBUS 24TSSOP onsemi	708	-	RFQ	Datasheet	-	24-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	16	I2C, SMBus	Yes	POR	Push-Pull	10mA, 25mA	100 kHz	1.65V ~ 5.5V	-55°C ~ 125°C	-	-	Surface Mount	24-TSSOP
R8A66021GP#R2 I/O EXPANDER Renesas Electronics Corporation	8,989	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
LPC47U332QFP ENHANCED SUPER I/O WITH LPC INTE SMSC	3,822	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
MAX7300ATI+ IC XPNDR 400KHZ I2C 28TQFN Analog Devices Inc./Maxim Integrated	1,464	-	RFQ	Datasheet	-	28-WFQFN Exposed Pad	Tray	Obsolete	Not Verified	20	I2C, 2-Wire Serial	Yes	-	Push-Pull	4.5mA, 10mA	400 kHz	2.5V ~ 5.5V	-40°C ~ 125°C	-	-	Surface Mount	28-TQFN (5x5)
MAX7329AAP+ PORT EXPANDERS WITH EIGHT I/O PO Analog Devices Inc./Maxim Integrated	2,953	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
PCA9654EDTR2G IC XPNDR 100KHZ I2C 16TSSOP onsemi	11,297	-	RFQ	Datasheet	-	16-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	8	I2C	Yes	POR	-	-	100 kHz	1.65V ~ 5.5V	-55°C ~ 125°C	-	-	Surface Mount	16-TSSOP
MAX7300ANI MULTI-PORT I/O EXPANDER Analog Devices Inc./Maxim Integrated	1,609	-	RFQ	Datasheet	-	28-DIP (0.300", 7.62mm)	Bulk	Active	Not Verified	28	I2C, 2-Wire Serial	Yes	-	Open Drain, Push-Pull	4.5mA, 10mA	400 kHz	2.5V ~ 5.5V	-40°C ~ 125°C	-	-	Through Hole	28-PDIP
CDP1852CE IC XPNDR 24DIP Intersil	15,332	-	RFQ	Datasheet	-	24-DIP (0.600", 15.24mm)	Bulk	Active	Not Verified	8	-	No	-	-	4.4mA, 6.1mA	-	4V ~ 6.5V	-55°C ~ 125°C	-	-	Through Hole	24-PDIP
PCA9654EDR2G IC XPNDR 100KHZ I2C 16SOIC onsemi	1,375	-	RFQ	Datasheet	-	16-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	8	I2C	Yes	POR	-	-	100 kHz	1.65V ~ 5.5V	-55°C ~ 125°C	-	-	Surface Mount	16-SOIC
MAX7300AGL-TG068 MULTI-PORT I/O EXPANDER Analog Devices Inc./Maxim Integrated	2,000	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
MAX7300AGL-T MULTI-PORT I/O EXPANDER Analog Devices Inc./Maxim Integrated	16,000	-	RFQ	Datasheet	-	40-VFQFN Exposed Pad	Bulk	Active	Not Verified	28	I2C, 2-Wire Serial	Yes	-	Open Drain, Push-Pull	4.5mA, 10mA	400 kHz	2.5V ~ 5.5V	-40°C ~ 125°C	-	-	Surface Mount	40-SQFN (6x6)
MAX7300AGL MULTI-PORT I/O EXPANDER Analog Devices Inc./Maxim Integrated	387	-	RFQ	Datasheet	-	40-VFQFN Exposed Pad	Bulk	Active	Not Verified	28	I2C, 2-Wire Serial	Yes	-	Open Drain, Push-Pull	4.5mA, 10mA	400 kHz	2.5V ~ 5.5V	-40°C ~ 125°C	-	-	Surface Mount	40-SQFN (6x6)
PCA9535ECDTR2G IC XPND 100KHZ I2C SMBUS 24TSSOP onsemi	1,211	-	RFQ	Datasheet	-	24-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	16	I2C, SMBus	Yes	POR	Open Drain	25mA	100 kHz	1.65V ~ 5.5V	-55°C ~ 125°C	-	-	Surface Mount	24-TSSOP
SN74LS612FN PARALLEL I/O PORT, 12 I/O, TTL, Texas Instruments	10,028	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
SN74LS612N PARALLEL I/O PORT, 12 I/O, TTL Texas Instruments	5,966	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
LPC47U322QFP ENHANCED SUPER I/O WITH LPC INTE SMSC	34,557	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
MCP25055-I/P IC XPNDR 25MHZ CAN 14DIP Microchip Technology	114	-	RFQ	Datasheet	-	14-DIP (0.300", 7.62mm)	Tube	Active	Verified	8	CAN (1-Wire)	No	ADC, EEPROM, POR, PWM	Push-Pull	25mA	25 MHz	2.7V ~ 5.5V	-40°C ~ 85°C	-	-	Through Hole	14-PDIP
CDP1852E IC XPNDR PARALLEL 24DIP Harris Corporation	1,173	-	RFQ	Datasheet	-	24-DIP (0.600", 15.24mm)	Bulk	Active	Not Verified	8	Parallel	No	-	-	6mA	-	4V ~ 10.5V	-40°C ~ 85°C	-	-	Through Hole	24-PDIP
SN74LS610N PARALLEL I/O PORT, 12 I/O, TTL Texas Instruments	4,167	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-

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.