Interface IC's Interface - I/O Expanders

Results: 670
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Description Datasheet Availability Pricing (JPY) 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
Analog Devices / Maxim Integrated Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os
Datasheet
132In Stock
200Expected 8/14/2026
Min.: 1
Mult.: 1

MAX7321 SMD/SMT TQFN-16 I2C, Serial 8 I/O With Interrupt 1.71 V 5.5 V 400 kHz - 40 C + 125 C Tube Without ESD Protection

Analog Devices / Maxim Integrated Interface - I/O Expanders I C Port Expanders with Eight I/O Ports
Datasheet
85In Stock
Min.: 1
Mult.: 1

MAX7329 SMD/SMT SOIC-16 I2C, Serial 8 I/O With Interrupt 2.5 V 5.5 V 100 kHz - 40 C + 125 C Tube Without ESD Protection
Texas Instruments Interface - I/O Expanders Mobile I/O Companion Key-Scan
Datasheet
213In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

LM8333 SMD/SMT WQFN-32 I2C, Serial 4 I/O With Interrupt 2.25 V 2.9 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 8 kV
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DB
Datasheet
264In Stock
4,000Expected 11/2/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCF8575 SMD/SMT SSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.5 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557D
Datasheet
691In Stock
2,500Expected 9/16/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA9557 SMD/SMT SOIC-Narrow-16 I2C, Serial, SMBus 8 I/O Without Interrupt 2.5 V 6 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV

Analog Devices / Maxim Integrated Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os
Datasheet
388In Stock
Min.: 1
Mult.: 1

MAX7321 SMD/SMT QSOP-16 I2C, Serial 8 I/O With Interrupt 1.71 V 5.5 V 400 kHz - 40 C + 125 C Tube Without ESD Protection
Texas Instruments Interface - I/O Expanders Remote 8-Bit I2C and SMBus LP I/O Exp
Datasheet
143In Stock
10,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA9557 SMD/SMT VQFN-16 I2C, Serial, SMBus 8 I/O Without Interrupt 2.5 V 6 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV

Analog Devices / Maxim Integrated Interface - I/O Expanders 10-Port SPI-Interfaced I/O Expander with
Datasheet
491In Stock
Min.: 1
Mult.: 1

MAX7317 SMD/SMT QSOP-16 Serial, SPI 10 I/O Without Interrupt 2.25 V 3.6 V 26 MHz - 40 C + 125 C Tube Without ESD Protection
Renesas / Intersil Interface - I/O Expanders PERIPH PRG-I/O 5V 8MHZ 40CDIP IND
Datasheet
67In Stock
Min.: 1
Mult.: 1
No
82C55 Through Hole CDIP-40 Parallel 24 I/O With Interrupt 4.5 V 5.5 V 8 MHz - 40 C + 85 C Tube 1 kV
Microchip Technology Interface - I/O Expanders 16-Bit, Open Drain I/O Expander with I2C Interface
Datasheet
11In Stock
Min.: 1
Mult.: 1
: 3,300
SMD/SMT QFN-24 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C AEC-Q100 Reel, Cut Tape Without ESD Protection
Texas Instruments Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander
Datasheet
383In Stock
2,500Expected 10/26/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA9554A SMD/SMT VQFN-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
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWT
Datasheet
1,772In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

TCA9554 SMD/SMT SOIC-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

Analog Devices / Maxim Integrated Interface - I/O Expanders I C Port Expander with 8 Push-Pull and 8
Datasheet
129In Stock
Min.: 1
Mult.: 1

MAX7325 SMD/SMT QSOP-24 I2C, Serial 8 I/O With Interrupt 1.71 V 5.5 V 400 kHz - 40 C + 125 C Tube Without ESD Protection
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534DWT
Datasheet
2,958In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

TCA9534 SMD/SMT SOIC-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 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA24 package
Datasheet
2,218In Stock
6,000Expected 10/7/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

PCAL6416A SMD/SMT VFBGA-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
Analog Devices Interface - I/O Expanders Column Keypad Scanner & GPIO Port Expand
Datasheet
139In Stock
1,500Expected 2/11/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

ADP5587 SMD/SMT LFCSP-24 I2C, Serial 18 I/O With Interrupt 1.65 V 3.6 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel Without ESD Protection
Texas Instruments Interface - I/O Expanders Remote 16B I2C & SMB us I/O Expander
Datasheet
949In Stock
18,000Expected 9/22/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

TCA9555 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 2 kV
Texas Instruments Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR
Datasheet
164In Stock
Min.: 1
Mult.: 1

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 Tube 2 kV

Analog Devices / Maxim Integrated Interface - I/O Expanders I C Port Expander with Eight Inputs and
Datasheet
77In Stock
Min.: 1
Mult.: 1

MAX7319 SMD/SMT QSOP-16 I2C, Serial 8 I/O With Interrupt 5.5 V 5.5 V 400 kHz - 40 C + 125 C Tube Without ESD Protection
Texas Instruments Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534APW
Datasheet
131In Stock
4,000Expected 9/3/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCA9534A 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 2-Wire-Interfaced 8-Bit I/O Port Expande
Datasheet
43In Stock
150Expected 9/21/2026
Min.: 1
Mult.: 1

MAX7310 SMD/SMT TQFN-16 I2C, Serial, SMBus 8 I/O Without Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 125 C Tube With ESD Protection

Analog Devices / Maxim Integrated Interface - I/O Expanders 16-Port I/O Expander with LED Intensity
Datasheet
2In Stock
Min.: 1
Mult.: 1

MAX7313 SMD/SMT TQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 2 V 3.6 V 400 kHz - 40 C + 125 C Tube Without ESD Protection
Analog Devices / Maxim Integrated Interface - I/O Expanders I C Port Expander with Eight Push-Pull O
Datasheet
115In Stock
Min.: 1
Mult.: 1

MAX7320 SMD/SMT TQFN-16 I2C, Serial 8 I/O Without Interrupt 1.71 V 5.5 V 400 kHz - 40 C + 125 C Tube Without ESD Protection

Analog Devices / Maxim Integrated Interface - I/O Expanders 16-Port I/O Expander with LED Intensity
Datasheet
226In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

MAX7313 SMD/SMT QSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 2 V 3.6 V 400 kHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection

Analog Devices / Maxim Integrated Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C
Datasheet
5In Stock
Min.: 1
Mult.: 1

MAX7315 SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 2 V 3.6 V 400 kHz - 40 C + 125 C Tube Without ESD Protection