Interface IC's Interface - I/O Expanders

Results: 644
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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model 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
onsemi Interface - I/O Expanders I2C/SMBUS Expander 16B,w/Int
Datasheet
10.461In Stock
6.000Expected 02/04/2027
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2.000
: 2.000

CAT9555 SMD/SMT TSSOP-24 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Microchip Technology Interface - I/O Expanders 16B I/O Expander SPI interface
Datasheet
563In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-28 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube Without ESD Protection
Texas Instruments Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander
Datasheet
22.798In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1.001
: 3.000

TCA9539 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, Cut Tape, MouseReel 2 kV
Nexperia Interface - I/O Expanders NCA9555BY-Q100/SOT8041/HWQFN24
Datasheet
2.772In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT HWQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 100 kHz, 400 kHz - 40 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Interface - I/O Expanders 60BIT IO EXPANDER W/EEPROM
Datasheet
1.774In Stock
Min.: 1
Mult.: 1

CY8C95xx SMD/SMT TQFP-100 I2C, Serial 60 I/O With Interrupt 3 V 5.25 V 24 MHz - 40 C + 85 C Tray 2 kV

Renesas / Intersil Interface - I/O Expanders W/ANNEAL PERIPH PRG- I/O 5V 5MHZ 44PLCC
Datasheet
513In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

82C55A SMD/SMT PLCC-44 Parallel 24 I/O With Interrupt 4.5 V 5.5 V 8 MHz 0 C + 70 C Reel, Cut Tape, MouseReel Without ESD Protection
Texas Instruments Interface - I/O Expanders Remote 16bit I2C and SMBux
Datasheet
13.521In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

TCA9539 SMD/SMT VQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Infineon Technologies Interface - I/O Expanders I/O PORT EXPANDR FOR NEUTRON 534
Datasheet
1.142In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

CY8C95xx SMD/SMT SSOP-28 I2C, Serial, SMBus 20 I/O With Interrupt 3 V 5.25 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders Remote 8-B I2C & SM Bus I/O Expander
Datasheet
17.997In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.000

TCA9554 SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554A in TSSOP16 package
Datasheet
19.836In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCA9554 SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV

Analog Devices / Maxim Integrated Interface - I/O Expanders 1-Wire 8-Channel Addressable Switch
Datasheet
4.148In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 4.148
: 2.500

DS2408S SMD/SMT SOIC-16 1-Wire 8 I/O Without Interrupt 2.8 V 5.25 V - 40 C + 85 C Reel, Cut Tape, MouseReel Without ESD Protection
Texas Instruments Interface - I/O Expanders Lo-Vltg 24B I2C and SMBus I/O Expander
Datasheet
54.907In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1.001
: 3.000

TCA6424A SMD/SMT UQFN-32 I2C, Serial, SMBus 24 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555 in HVQFN24 package
Datasheet
17.142In Stock
18.000Expected 05/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

PCA9535 SMD/SMT HVQFN-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
Nexperia Interface - I/O Expanders NCA9539PW/SOT355/TSSOP24
Datasheet
2.923In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

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, Cut Tape, MouseReel
Texas Instruments Interface - I/O Expanders 8bit I/O Expndr
Datasheet
784In Stock
Min.: 1
Mult.: 1

PCF8574A Through Hole PDIP-16 I2C, Serial 8 I/O With Interrupt 2.5 V 6 V 100 kHz - 40 C + 85 C Tube 1 kV
Diodes Incorporated Interface - I/O Expanders Interface IO Expander W-QFN3030-16 T&R 3.5K
Datasheet
222In Stock
14.000On Order
Min.: 1
Mult.: 1
Max.: 3.500
: 3.500

SMD/SMT TQFN-16 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HWQFN24 package
Datasheet
98.806In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

PCAL6416A SMD/SMT HWQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Infineon Technologies Interface - I/O Expanders 11Kb 40 IO EXPANDER W/EEPROM
Datasheet
633In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

CY8C95xx SMD/SMT SSOP-48 I2C, Serial, SMBus 40 I/O With Interrupt 3 V 5.25 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV

Renesas / Intersil Interface - I/O Expanders W/ANNEAL PERIPH PRG- I/O 5V 5MHZ 44PLCC
Datasheet
189In Stock
1.040Expected 15/12/2026
Min.: 1
Mult.: 1

82C55A SMD/SMT PLCC-44 Parallel 24 I/O With Interrupt 4.5 V 5.5 V 8 MHz 0 C + 70 C Tube Without ESD Protection
Texas Instruments Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus
Datasheet
1.421In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

PCF8574 SMD/SMT VQFN-20 I2C, Serial 8 I/O With Interrupt 2.5 V 6 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 1 kV
Diodes Incorporated Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port
Datasheet
3.406In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 620
: 3.500

PIO4IO SMD/SMT TQFN-24 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 4 kV
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDW
Datasheet
1.070In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.000

PCF8575C SMD/SMT SOIC-24 I2C, Serial, SMBus 16 I/O With Interrupt 4.5 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
NXP Semiconductors Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander in TSSOP8 package
Datasheet
31.393In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCA9536 SMD/SMT TSSOP-8 I2C, Serial, SMBus 4 I/O Without Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders I2C-Compatible Keypd Cntlr GPIO PWM A 59 A 595-LM8330TMX/NOPB
Datasheet
1.058In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

LM8330 SMD/SMT DSBGA-25 I2C, Serial With Interrupt 1.62 V 1.98 V 400 kHz - 30 C + 85 C Reel, Cut Tape, MouseReel 8 kV
Diodes Incorporated Interface - I/O Expanders 16-bit I2C and SMBus Port
Datasheet
5.539In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 260
: 3.000

PIO4IO SMD/SMT TSSOP-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 4 kV