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
PCA9670PW,112 Remote 8-bit I\/O expander for F NXP Semiconductors	1,269	-	RFQ	Datasheet	-	16-TSSOP (0.173", 4.40mm Width)	Bulk	Obsolete	-	8	I2C, SMBus	Yes	POR	Push-Pull	300µA, 41mA	1 MHz	2.3V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	16-TSSOP
PCAL9538APWJ PCAL9538A - LOW-VOLTAGE 8-BIT I2 NXP Semiconductors	15,800	-	RFQ	Datasheet	-	16-TSSOP (0.173", 4.40mm Width)	Bulk	Obsolete	Not Verified	8	I2C, SMBus	Yes	POR	Open Drain, Push-Pull	10mA, 25mA	400 kHz	1.65V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	16-TSSOP
CAT9534WI-G PARALLEL I/O PORT, 8-BIT, 8 I/O, onsemi	15,745	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
PCA9534DB PCA9534 REMOTE 8-BIT I2C AND LOW National Semiconductor	3,120	-	RFQ	Datasheet	-	16-SSOP (0.209", 5.30mm 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-SSOP
LM8335TLE/NOPB LM8335 GENERAL-PURPOSE OUTPUT EX Texas Instruments	750	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
PCA9675PW,118 PCA9675PW - Remote 16-Bit I/O Ex NXP Semiconductors	6,128	-	RFQ	Datasheet	-	24-TSSOP (0.173", 4.40mm Width)	Bulk	Active	-	16	I2C, SMBus	Yes	POR	Push-Pull	300µA, 42mA	1 MHz	2.3V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	24-TSSOP
LC709004AMJ-AH IO EXPANDER16I/O TAPING onsemi	2,000	-	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-
LC898116-TBM-H LC898116 - Ignition Controller onsemi	1,000	-	RFQ	Datasheet	-	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-
CY8C9560A5-24AXI CY8C9560A - 60 Bit I/O Expander Cypress Semiconductor Corp	236	-	RFQ	Datasheet	-	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PCA9554DB,118 IC XPNDR 400KHZ I2C SMBUS 16SSOP NXP USA Inc.	4,465	-	RFQ	Datasheet	-	16-SSOP (0.209", 5.30mm Width)	Tape & Reel (TR)	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-SSOP
DS2408S+T&R IC XPNDR 1-WIRE 16SOIC Analog Devices Inc./Maxim Integrated	3,283	-	RFQ	Datasheet	-	16-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	Not Verified	8	1-Wire®	No	-	Open Drain	-	-	2.8V ~ 5.25V	-40°C ~ 85°C	-	-	Surface Mount	16-SOIC
IP82C55AZ IC XPNDR PARALLEL 40DIP Renesas Electronics Corporation	1,214	-	RFQ	Datasheet	-	40-DIP (0.600", 15.24mm)	Tube	Active	Not Verified	24	Parallel	No	-	Open Drain	2.5mA	-	4.5V ~ 5.5V	-40°C ~ 85°C	-	-	Through Hole	40-PDIP
MCP23S09-E/SO IC XPNDR 10MHZ SPI 18SOIC Microchip Technology	4,170	-	RFQ	Datasheet	-	18-SOIC (0.295", 7.50mm Width)	Tube	Active	Not Verified	8	SPI	Yes	-	Open Drain	25mA	10 MHz	1.8V ~ 5.5V	-40°C ~ 125°C	-	-	Surface Mount	18-SOIC
PI4IOE5V9554LE IC XPNDR 400KHZ I2C 16TSSOP Diodes Incorporated	1,112	-	RFQ	Datasheet	-	16-TSSOP (0.173", 4.40mm Width)	Tube	Active	Not Verified	8	I2C	Yes	-	-	-	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	16-TSSOP
MCP25020-I/P IC XPNDR 25MHZ CAN V2.0B 14DIP Microchip Technology	1,899	-	RFQ	Datasheet	-	14-DIP (0.300", 7.62mm)	Tube	Active	Verified	8	CAN V2.0b	No	EEPROM, POR, PWM	Push-Pull	25mA	25 MHz	2.75V ~ 5.5V	-40°C ~ 85°C	-	-	Through Hole	14-PDIP
MCP25050-I/P IC XPNDR 25MHZ CAN V2.0B 14DIP Microchip Technology	2,875	-	RFQ	Datasheet	-	14-DIP (0.300", 7.62mm)	Tube	Active	Verified	8	CAN V2.0b	No	ADC, EEPROM, POR, PWM	Push-Pull	25mA	25 MHz	2.7V ~ 5.5V	-40°C ~ 85°C	-	-	Through Hole	14-PDIP
MCP25050-E/P IC XPNDR 25MHZ CAN V2.0B 14DIP Microchip Technology	2,730	-	RFQ	Datasheet	-	14-DIP (0.300", 7.62mm)	Tube	Active	Verified	8	CAN V2.0b	No	ADC, EEPROM, POR, PWM	Push-Pull	25mA	25 MHz	4.5V ~ 5.5V	-40°C ~ 125°C	-	-	Through Hole	14-PDIP
MAX7321AEE+ IC XPNDR 400KHZ I2C 16QSOP Analog Devices Inc./Maxim Integrated	1,500	-	RFQ	Datasheet	-	16-SSOP (0.154", 3.90mm Width)	Tube	Active	Not Verified	8	I2C	Yes	POR	Open Drain, Push-Pull	20mA	400 kHz	1.71V ~ 5.5V	-40°C ~ 125°C	-	-	Surface Mount	16-QSOP
PI4IOE5V9538LE IC XPNDR 400KHZ SMBUS 16TSSOP Diodes Incorporated	3,614	-	RFQ	Datasheet	-	16-TSSOP (0.173", 4.40mm Width)	Tube	Active	Not Verified	8	SMBus	Yes	POR	Push-Pull	-	400 kHz	2.3V ~ 5.5V	-	-	-	Surface Mount	16-TSSOP
PI4IOE5V9539LE IC XPNDR 400KHZ I2C 24TSSOP Diodes Incorporated	1,669	-	RFQ	Datasheet	-	24-TSSOP (0.173", 4.40mm Width)	Tube	Active	Not Verified	16	I2C	Yes	-	-	-	400 kHz	2.3V ~ 5.5V	-40°C ~ 85°C	-	-	Surface Mount	24-TSSOP

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.