.hide-partial { max-height: none; } .show-more { display: none; }

1 MHz Interface - I/O Expanders

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 46

Applied Filters:

Maximum Clock Frequency = 1 MHz

Manufacturer

Series

Package/Case

Interface Type

Number of I/Os

Interrupt Output

Supply Voltage - Min

Supply Voltage - Max

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

ESD Protection

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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	Qualification	Packaging	ESD Protection
Interface - I/O Expanders Low Voltage 24-bit I2C-bus I/O Expander KTS1620ERG-TR Kinetic Technologies 1: $2.67 854In Stock 2,000Expected 2026/11/05	Mfr. Part No. KTS1620ERG-TR Mouser Part No 389-KTS1620ERG-TR	Kinetic Technologies	Interface - I/O Expanders Low Voltage 24-bit I2C-bus I/O Expander Learn More about Kinetic Technologies kinetic kts1620 expander	Datasheet	854In Stock 2,000Expected 2026/11/05	Cut Tape $2.67 $1.98 $1.81 $1.62 Reel $1.41 View $1.54 $1.48 $1.40 $1.35 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	KTS1620	SMD/SMT	TQFN55-32	I2C, Serial	24 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 11 GPIO/Key Controller ADP5585ACPZ-01-R7 Analog Devices 1: $1.62 1,603In Stock	Mfr. Part No. ADP5585ACPZ-01-R7 Mouser Part No 584-ADP5585ACPZ-01R7	Analog Devices	Interface - I/O Expanders 11 GPIO/Key Controller	Datasheet	1,603In Stock	Cut Tape $1.62 $1.58 $1.57 Reel $1.57 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	ADP5585	SMD/SMT	LFCSP-16	I2C, Serial	10 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 10 GPIO/Key Controller-No Pullup ADP5585ACPZ-03-R7 Analog Devices 1: $1.62 1,477In Stock	Mfr. Part No. ADP5585ACPZ-03-R7 Mouser Part No 584-ADP5585ACPZ-03R7	Analog Devices	Interface - I/O Expanders 10 GPIO/Key Controller-No Pullup	Datasheet	1,477In Stock	Cut Tape $1.62 $1.58 $1.57 $1.57 MouseReel Available	Min.: 1 Mult.: 1	ADP5585	SMD/SMT	LFCSP-16	I2C, Serial	10 I/O	With Interrupt	1.8 V	3 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 10 GPIO/Key Controller-No Pullup ADP5585ACBZ-04-R7 Analog Devices 1: $1.62 2,029In Stock	Mfr. Part No. ADP5585ACBZ-04-R7 Mouser Part No 584-ADP5585ACBZ-04R7	Analog Devices	Interface - I/O Expanders 10 GPIO/Key Controller-No Pullup	Datasheet	2,029In Stock	Cut Tape $1.62 $1.58 $1.57 $1.57	Min.: 1 Mult.: 1	ADP5585	SMD/SMT	WLCSP-16	I2C, Serial	10 I/O	With Interrupt	1.8 V	3 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape	Without ESD Protection
Interface - I/O Expanders Low Voltage 16-Bit I2C-bus I/O Expander KTS1625EUAA-TB Kinetic Technologies 1: $2.04 1,050In Stock New Product	Mfr. Part No. KTS1625EUAA-TB Mouser Part No 389-KTS1625EUAA-TB New Product	Kinetic Technologies	Interface - I/O Expanders Low Voltage 16-Bit I2C-bus I/O Expander Learn More about Kinetic Technologies kinetic kts1625 16 bit i2c bus io expander	Datasheet	1,050In Stock	Cut Tape $2.04 $1.50 $1.37 $1.22 Reel $1.04 View $1.15 $1.11 $1.06 $1.00	Min.: 1 Mult.: 1 : 1,500	KTS1625	SMD/SMT	WQFN-24	I2C	16 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape
Interface - I/O Expanders Automotive 16-bit lo w voltage I C/SMBus TCAL9539RTWRQ1 Texas Instruments 1: $3.64 9,581In Stock	Mfr. Part No. TCAL9539RTWRQ1 Mouser Part No 595-TCAL9539RTWRQ1	Texas Instruments	Interface - I/O Expanders Automotive 16-bit lo w voltage I C/SMBus Learn More about Texas Instruments ti tcal9539r i2c bus smbus io expander	Datasheet	9,581In Stock	Cut Tape $3.64 $2.71 $2.48 $2.22 View Reel $1.85 $2.11 $2.05 $1.95 $1.90 $1.85 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	AEC-Q100	Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416DGSR Texas Instruments 1: $2.09 6,601In Stock New Product	Mfr. Part No. TCAL6416DGSR Mouser Part No 595-TCAL6416DGSR New Product	Texas Instruments	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp Learn More about Texas Instruments ti tcal6416 expander	Datasheet	6,601In Stock	Cut Tape $2.09 $1.55 $1.41 $1.26 View Reel $1.07 $1.19 $1.15 $1.12 $1.07	Min.: 1 Mult.: 1 : 5,000	TCAL6416	SMD/SMT	VSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape	With ESD Protection
Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416RADTOR Texas Instruments 1: $2.71 3,599In Stock New Product	Mfr. Part No. TCAL6416RADTOR Mouser Part No 595-TCAL6416RADTOR New Product	Texas Instruments	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp Learn More about Texas Instruments ti tcal6416r i2c bus smbus io expander	Datasheet	3,599In Stock	Cut Tape $2.71 $2.02 $1.85 $1.66 Reel $1.40 View $1.57 $1.54 $1.49 $1.38 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL6416R	SMD/SMT	QFN-24	I2C	16 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 16-bit I2C/SMBus I/O expander with inter TCAL9539RPWR Texas Instruments 1: $2.06 1,895In Stock New Product	Mfr. Part No. TCAL9539RPWR Mouser Part No 595-TCAL9539RPWR New Product	Texas Instruments	Interface - I/O Expanders 16-bit I2C/SMBus I/O expander with inter Learn More about Texas Instruments ti tcal9539r i2c bus smbus io expander	Datasheet	1,895In Stock	Cut Tape $2.06 $1.52 $1.40 $1.24 Reel $1.04 View $1.17 $1.13 $1.10 $1.02 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL9539R	SMD/SMT	TSSOP-24	I2C	16 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit translating I& sup2;C-bus/SMBus I/ TCAL6408PWR Texas Instruments 1: $1.54 2,808In Stock	Mfr. Part No. TCAL6408PWR Mouser Part No 595-TCAL6408PWR	Texas Instruments	Interface - I/O Expanders 8-bit translating I& sup2;C-bus/SMBus I/ Learn More about Texas Instruments ti tcal6408 i2c bus smbus io expander	Datasheet	2,808In Stock	Cut Tape $1.54 $1.12 $1.02 $0.899 Reel $0.751 View $0.846 $0.812 $0.804 $0.735 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL6408	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416PWR Texas Instruments 1: $2.11 2,929In Stock	Mfr. Part No. TCAL6416PWR Mouser Part No 595-TCAL6416PWR	Texas Instruments	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp Learn More about Texas Instruments ti tcal6416 expander	Datasheet	2,929In Stock	Cut Tape $2.11 $1.56 $1.43 $1.27 Reel $1.07 View $1.20 $1.16 $1.14 $1.03 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL6416	SMD/SMT	TSSOP-24	I2C, Serial, SMBus		With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER TCAL9538PWR Texas Instruments 1: $1.99 2,940In Stock	Mfr. Part No. TCAL9538PWR Mouser Part No 595-TCAL9538PWR	Texas Instruments	Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER Learn More about Texas Instruments ti tcal9538 expanders	Datasheet	2,940In Stock	$1.99 $1.47 $1.33 $1.19 View $1.12 $1.08 $1.07 $0.966 $0.947	Min.: 1 Mult.: 1	TCAL9538	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	9 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C
Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER TCAL9538RSVR Texas Instruments 1: $1.92 4,841In Stock 9,000Expected 2027/03/29	Mfr. Part No. TCAL9538RSVR Mouser Part No 595-TCAL9538RSVR	Texas Instruments	Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER Learn More about Texas Instruments ti tcal9538 expanders	Datasheet	4,841In Stock 9,000Expected 2027/03/29	Cut Tape $1.92 $1.42 $1.29 $1.15 Reel $0.966 View $1.08 $1.04 $0.947 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL9538	SMD/SMT	UQFN-16	I2C, Serial, SMBus	9 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416ALEX Diodes Incorporated 1: $1.97 1,750In Stock	Mfr. Part No. PI4IOE5V6416ALEX Mouser Part No 621-PI4IOE5V6416ALEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander		1,750In Stock	Cut Tape $1.97 $1.44 $1.27 $1.16 View Reel $0.972 $1.13 $1.11 $1.10 $0.972 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expander W-QFN5050-32 T&R 2.5K PI4IOE5V6524ZHEX Diodes Incorporated 1: $2.16 3,218In Stock 5,000Expected 2028/04/14	Mfr. Part No. PI4IOE5V6524ZHEX Mouser Part No 621-PI4IOE5V6524ZHEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander W-QFN5050-32 T&R 2.5K Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander		3,218In Stock 5,000Expected 2028/04/14	Cut Tape $2.16 $1.60 $1.44 $1.30 $1.22 Reel $1.22 MouseReel Available	Min.: 1 Mult.: 1 Max.: 320 : 2,500		SMD/SMT	WQFN5050-32	I2C, Serial	24 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 4-bit I2C-bus GPO Expander in XQFN8 package PCA9570GMH NXP Semiconductors 1: $0.97 35,699In Stock	Mfr. Part No. PCA9570GMH Mouser Part No 771-PCA9570GMH	NXP Semiconductors	Interface - I/O Expanders 4-bit I2C-bus GPO Expander in XQFN8 package Learn More about NXP Semiconductors nxp pca9570 gpo expander	Datasheet	35,699In Stock	Cut Tape $0.97 $0.716 $0.652 $0.583 View Reel $0.49 $0.55 $0.53 $0.515 $0.506 $0.49 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PCA9570	SMD/SMT	XQFN-8	I2C, Serial	4 I/O	Without Interrupt	1.1 V	3.6 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 40-bit I2C-bus Advanced I/O Expander with Interrupt, Reset and Output Enable in TSSOP56 package PCA9698DGG,518 NXP Semiconductors 1: $9.58 5,224In Stock 12,000Expected 2026/12/29	Mfr. Part No. PCA9698DGG,518 Mouser Part No 771-PCA9698DGG-T	NXP Semiconductors	Interface - I/O Expanders 40-bit I2C-bus Advanced I/O Expander with Interrupt, Reset and Output Enable in TSSOP56 package	Datasheet	5,224In Stock 12,000Expected 2026/12/29	Cut Tape $9.58 $7.45 $6.92 $6.34 $6.21 Reel $5.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9698	SMD/SMT	TSSOP-56	I2C, Serial	40 I/O	With Interrupt	2.3 V	5.5 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 24-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HUQFN32 package PCAL6524HEAZ NXP Semiconductors 1: $2.14 51,151In Stock 60,900On Order	Mfr. Part No. PCAL6524HEAZ Mouser Part No 771-PCAL6524HEAZ	NXP Semiconductors	Interface - I/O Expanders 24-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HUQFN32 package Learn More about NXP Semiconductors nxp pcal6524 expander	Datasheet	51,151In Stock 60,900On Order On Order Ship Dates Mfr. No: PCAL6524HEAZ Stock: 51,151 Can Dispatch Immediately On Order: 2,400 Expected 2026/11/10 58,500 Expected 2027/01/11 Factory Lead Time: 30 Weeks	Cut Tape $2.14 $1.63 $1.47 $1.33 Reel $1.17 View $1.24 $1.15 $1.13 $1.09 MouseReel Available	Min.: 1 Mult.: 1 : 500	PCAL6524	SMD/SMT	HUQFN-32	I2C, Serial, SMBus	24 I/O	With Interrupt	800 mV	3.6 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536DTMR Texas Instruments 1: $1.78 4,081In Stock	Mfr. Part No. TCA9536DTMR Mouser Part No 595-TCA9536DTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	4,081In Stock	Cut Tape $1.78 $1.31 $1.19 $1.06 View Reel $0.872 $0.993 $0.956 $0.952 $0.92 $0.872 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416RDTOR Texas Instruments 1: $2.55 980In Stock 3,000Expected 2026/11/19	Mfr. Part No. TCAL6416RDTOR Mouser Part No 595-TCAL6416RDTOR	Texas Instruments	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp Learn More about Texas Instruments ti tcal6416r i2c bus smbus io expander	Datasheet	980In Stock 3,000Expected 2026/11/19	$2.55 $1.90 $1.73 $1.55 View $1.44 $1.40 $1.36 $1.27 $1.24	Min.: 1 Mult.: 1	TCAL6416R	SMD/SMT	X2QFN-24	I2C, Serial, SMBus		With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C			4 kV
Interface - I/O Expanders 16-bit low-voltage I C-bus and SMBus I/O TCAL9539PWR Texas Instruments 1: $2.44 425In Stock 6,000Expected 2027/03/18	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	425In Stock 6,000Expected 2027/03/18	Cut Tape $2.44 $1.81 $1.66 $1.48 Reel $1.29 View $1.40 $1.36 $1.33 $1.21 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 I2C Controlled 18 Ch GPIO Expander TCA6418EYFPR Texas Instruments 1: $2.45 4,739In Stock	Mfr. Part No. TCA6418EYFPR Mouser Part No 595-TCA6418EYFPR	Texas Instruments	Interface - I/O Expanders I2C Controlled 18 Ch GPIO Expander	Datasheet	4,739In Stock	Cut Tape $2.45 $1.81 $1.65 $1.47 View Reel $1.14 $1.40 $1.35 $1.14 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA6418E	SMD/SMT	DSBGA-25	I2C, Serial	18 I/O	With Interrupt	1.65 V	3.6 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536BDTMR Texas Instruments 1: $1.78 5,740In Stock	Mfr. Part No. TCA9536BDTMR Mouser Part No 595-TCA9536BDTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	5,740In Stock	Cut Tape $1.78 $1.31 $1.19 $1.06 View Reel $0.859 $0.993 $0.956 $0.952 $0.92 $0.859 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536CDTMR Texas Instruments 1: $1.79 2,314In Stock	Mfr. Part No. TCA9536CDTMR Mouser Part No 595-TCA9536CDTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	2,314In Stock	Cut Tape $1.79 $1.31 $1.19 $1.06 View Reel $0.873 $0.996 $0.957 $0.952 $0.894 $0.873 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536DGKR Texas Instruments 1: $1.69 6,021In Stock 7,500Expected 2027/03/15	Mfr. Part No. TCA9536DGKR Mouser Part No 595-TCA9536DGKR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	6,021In Stock 7,500Expected 2027/03/15	Cut Tape $1.69 $1.24 $1.12 $0.993 Reel $0.833 View $0.933 $0.897 $0.889 $0.814 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TCA9536	SMD/SMT	VSSOP-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV