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1 uA Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Package/Case	Interface Type	Number of I/Os	Interrupt Output	Supply Voltage - Min	Supply Voltage - Max	Maximum Clock Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Packaging	ESD Protection
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9539DBQR Texas Instruments 1: $4.00 2,521In Stock	Mfr. Part No. PCA9539DBQR Mouser Part No 595-PCA9539DBQR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	2,521In Stock	Cut Tape $4.00 $2.98 $2.73 $2.45 View Reel $2.04 $2.31 $2.26 $2.15 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9539	SMD/SMT	QSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 1-Wire 8-Channel Addressable Switch DS2408S+ Analog Devices / Maxim Integrated 1: $12.70 8,341In Stock	Mfr. Part No. DS2408S+ Mouser Part No 700-DS2408S+	Analog Devices / Maxim Integrated	Interface - I/O Expanders 1-Wire 8-Channel Addressable Switch	Datasheet	8,341In Stock	$12.70 $9.94 $9.26 $8.26 View $8.06 $7.69 $7.45 Quote	Min.: 1 Mult.: 1 Max.: 6,672	DS2408S	SMD/SMT	SOIC-Narrow-16	1-Wire	8 I/O	Without Interrupt	2.8 V	5.25 V		- 40 C	+ 85 C	Tube	Without ESD Protection
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DWR PCA9539DW Texas Instruments 1: $4.79 272In Stock	Mfr. Part No. PCA9539DW Mouser Part No 595-PCA9539DW	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DWR	Datasheet	272In Stock	$4.79 $3.61 $3.31 $2.99 View $2.83 $2.81 $2.64 $2.58	Min.: 1 Mult.: 1	PCA9539	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders Keypad Decoder and I/O Exp Dfault Config ADP5586ACBZ-00-R7 Analog Devices 1: $3.15 1,023In Stock	Mfr. Part No. ADP5586ACBZ-00-R7 Mouser Part No 584-ADP5586ACBZ-00R7	Analog Devices	Interface - I/O Expanders Keypad Decoder and I/O Exp Dfault Config	Datasheet	1,023In Stock	Cut Tape $3.15 $2.35 $2.15 $1.93 View $1.83 $1.78 $1.78 MouseReel Available	Min.: 1 Mult.: 1 Max.: 818	ADP5586	SMD/SMT	WLCSP-16	I2C, Serial	10 I/O	With Interrupt	1.65 V	3.6 V	880 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 16bit Input/Output Exp SPI interface MCP23S17T-E/SO Microchip Technology 1: $1.69 10,991In Stock	Mfr. Part No. MCP23S17T-E/SO Mouser Part No 579-MCP23S17T-E/SO	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp SPI interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	10,991In Stock	Cut Tape $1.69 $1.40 Reel $1.28 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	MCP23S17	SMD/SMT	SOIC-28	Serial, SPI	16 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 16-bit low-voltage I C-bus and SMBus I/O TCAL9539PWR Texas Instruments 1: $2.15 3,456In Stock	Mfr. Part No. TCAL9539PWR Mouser Part No 595-TCAL9539PWR	Texas Instruments	Interface - I/O Expanders 16-bit low-voltage I C-bus and SMBus I/O Learn More about Texas Instruments ti tcal9539 i2c bus smbus io expander	Datasheet	3,456In Stock	Cut Tape $2.15 $1.59 $1.45 $1.30 Reel $1.08 View $1.23 $1.21 $1.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL9539	SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017T-E/SO Microchip Technology 1: $1.62 25,749In Stock	Mfr. Part No. MCP23017T-E/SO Mouser Part No 579-MCP23017T-E/SO	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	25,749In Stock	Cut Tape $1.62 $1.35 $1.33 Reel $1.24 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	MCP23017	SMD/SMT	SOIC-28	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DB PCA9539DBR Texas Instruments 1: $4.00 1,625In Stock	Mfr. Part No. PCA9539DBR Mouser Part No 595-PCA9539DBR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DB	Datasheet	1,625In Stock	Cut Tape $4.00 $2.98 $2.73 $2.45 Reel $2.08 View $2.31 $2.26 $2.15 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9539	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 19 Keypad Decoder and I/O Expansion ADP5589ACPZ-00-R7 Analog Devices 1: $3.73 4,710In Stock	Mfr. Part No. ADP5589ACPZ-00-R7 Mouser Part No 584-ADP5589ACPZ-00R7	Analog Devices	Interface - I/O Expanders 19 Keypad Decoder and I/O Expansion	Datasheet	4,710In Stock	Cut Tape $3.73 $2.83 $2.58 $2.33 Reel $1.99 View $2.20 $2.17 $2.05 $1.97 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,768 : 1,500	ADP5589	SMD/SMT	LFCSP-24	I2C, Serial	19 I/O	With Interrupt	1.8 V	3 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9535DGVR Texas Instruments 1: $3.11 328In Stock 2,000Expected 2027/02/01	Mfr. Part No. PCA9535DGVR Mouser Part No 595-PCA9535DGVR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	328In Stock 2,000Expected 2027/02/01	Cut Tape $3.11 $3.02 $2.73 $2.64 $2.49 Reel $2.40 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9535	SMD/SMT	TVSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-bit low-voltage I C-bus and SMBus I/O TCAL9539RTWR Texas Instruments 1: $2.23 9,725Expected 2026/10/29	Mfr. Part No. TCAL9539RTWR Mouser Part No 595-TCAL9539RTWR	Texas Instruments	Interface - I/O Expanders 16-bit low-voltage I C-bus and SMBus I/O Learn More about Texas Instruments ti tcal9539r i2c bus smbus io expander	Datasheet	9,725Expected 2026/10/29	Cut Tape $2.23 $1.64 $1.50 $1.34 View Reel $1.07 $1.26 $1.22 $1.16 $1.15 $1.07 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCAL9539	SMD/SMT	WQFN-24	I2C, Serial	16 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Lo Vltg 8B I2C and S MBus I/O Expander A A 595-TCA6416PW TCA6416PWR Texas Instruments 2,000: $3.04 Non-Stocked Lead-Time 9 Weeks NRND	Mfr. Part No. TCA6416PWR Mouser Part No 595-TCA6416PWR NRND	Texas Instruments	Interface - I/O Expanders Lo Vltg 8B I2C and S MBus I/O Expander A A 595-TCA6416PW	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel $3.04	Min.: 2,000 Mult.: 2,000 : 2,000	TCA6416	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel
Interface - I/O Expanders 4 CHANNEL LOW VOLTAGE GPIO SX1501I087TRT Semtech 15,000: $0.48 Non-Stocked	Mfr. Part No. SX1501I087TRT Mouser Part No 947-SX1501I087TRT	Semtech	Interface - I/O Expanders 4 CHANNEL LOW VOLTAGE GPIO	Datasheet	Non-Stocked	Cut Tape $0.48	Min.: 15,000 Mult.: 3,000 : 3,000		SMD/SMT	QFN-20	I2C, Serial	4 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel
Interface - I/O Expanders Lo Vltg 8B I2C and S MBus I/O Expander A A 595-TCA6416PW TCA6416PWT Texas Instruments 250: $3.86 Non-Stocked Lead-Time 26 Weeks NRND	Mfr. Part No. TCA6416PWT Mouser Part No 595-TCA6416PWT NRND	Texas Instruments	Interface - I/O Expanders Lo Vltg 8B I2C and S MBus I/O Expander A A 595-TCA6416PW	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $3.86	Min.: 250 Mult.: 250 : 250	TCA6416	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel
Interface - I/O Expanders Low-Vltg 16B I2C & S MBus I/O Expander A A 595-TCA6416RTWT TCA6416RTWR Texas Instruments 3,000: $2.92 Non-Stocked Lead-Time 26 Weeks NRND	Mfr. Part No. TCA6416RTWR Mouser Part No 595-TCA6416RTWR NRND	Texas Instruments	Interface - I/O Expanders Low-Vltg 16B I2C & S MBus I/O Expander A A 595-TCA6416RTWT	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $2.92	Min.: 3,000 Mult.: 3,000 : 3,000	TCA6416	SMD/SMT	WQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel

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