General Purpose Interface - I/O Expanders

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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
Kinetic Technologies Interface - I/O Expanders Low Voltage 24-bit I2C-bus I/O Expander
Datasheet
4.468In Stock
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
NXP Semiconductors Interface - I/O Expanders 8bit I2C/SMBus IO Expander w/Interrupt
Datasheet
76.915In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

PCAL6408A SMD/SMT HVQFN-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 8bit I2C/SMBus IO Expander w/Interrupt
Datasheet
63.601In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCAL6408A 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 DUAL I2C/SMBUS VOLT
Datasheet
3.682In Stock
6.000Expected 17/06/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

PCA9535C SMD/SMT HWQFN-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
NXP Semiconductors Interface - I/O Expanders 16BIT I2C FM TP GPIO
Datasheet
7.310In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCA9535C 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 2 kV
NXP Semiconductors Interface - I/O Expanders 16-BIT I2C FM TP GPIO INT
Datasheet
3.615In Stock
5.000Expected 29/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCA9535 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 2 kV
NXP Semiconductors Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP10 package
Datasheet
4.135In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCA9537DP SMD/SMT TSSOP-10 I2C, Serial, SMBus 4 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel
NXP Semiconductors Interface - I/O Expanders 16-BIT I2C FM TP GPIO INT RST
Datasheet
2.793In Stock
7.500Expected 28/05/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCA9539 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 2 kV
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset, Low Power version of PCA9555 in TSSOP24 package
Datasheet
2.139In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCA9539R SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel 2 kV
NXP Semiconductors Interface - I/O Expanders 8bit I2C/SMBus IO Expander w/Interrupt
Datasheet
5.315In Stock
12.000Expected 28/05/2026
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

PCAL6408A SMD/SMT XQFN-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 24-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HUQFN32 package
Datasheet
16.988In Stock
24.000Expected 08/06/2026
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
NXP Semiconductors Interface - I/O Expanders ULV 34-bit Fm+, I2C- I/O Expander
Datasheet
5.245In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

PCAL6534 SMD/SMT VFBGA-42 I2C, Serial, SMBus 34 I/O With Interrupt 1.65 V 5.5 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV

Kinetic Technologies Interface - I/O Expanders Low Voltage 24-bit I2C-bus I/O Expander
Datasheet
124In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

KTS1620 SMD/SMT FO-WLP66-36 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
Diodes Incorporated Interface - I/O Expanders 48-bit I2C-bus I/O Expander
Datasheet
247In Stock
6.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Max.: 290
: 3.000

PIO4IO SMD/SMT TQFN-56 I2C, Serial 48 I/O With Interrupt 2.3 V 5.5 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel 4 kV
NXP Semiconductors Interface - I/O Expanders I2C/SMBUS 16BIT GPIO
Datasheet
612In Stock
18.000Expected 06/07/2026
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
NXP Semiconductors Interface - I/O Expanders 16b I2C BUS INTERUPT
Datasheet
69In Stock
5.000Expected 24/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCA9539 SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel 2 kV
NXP Semiconductors Interface - I/O Expanders I2C Bus and SMBus LwPwr I/O Port 24Pin
Datasheet
364In Stock
2.500Expected 14/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCA9539R 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 2 kV
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN16 package
Datasheet
10.000Expected 13/07/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

PCAL6408A SMD/SMT X2QFN-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 24-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HUQFN32 package
Datasheet
1.397In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

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
Diodes Incorporated Interface - I/O Expanders 24-bit I2C-bus I/O Expander
Datasheet
6.250Expected 18/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.500

PIO4IO SMD/SMT TQFN-32 I2C, Serial 24 I/O With Interrupt 2.3 V 5.5 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel 4 kV
NXP Semiconductors Interface - I/O Expanders 24-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA36 package
Datasheet
Lead-Time 53 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

PCAL6524 SMD/SMT VFBGA-36 I2C, Serial, SMBus 24 I/O With Interrupt 800 mV 3.6 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel
Nuvoton W83601G
Nuvoton Interface - I/O Expanders General Purpose Input/Output IC with SMBus; Provides 15 GPI/O pins, Pb-free Non-Stocked Lead-Time 24 Weeks
Min.: 68
Mult.: 68
SMD/SMT SSOP-20 I2C, Serial, SMBus With Interrupt 5 V 5 V 0 C + 70 C Tube Without ESD Protection
Nuvoton W83601G TR
Nuvoton Interface - I/O Expanders General Purpose Input/Output IC with SMBus; Provides 15 GPI/O pins Non-Stocked
Min.: 2.000
Mult.: 2.000
: 2.000
SMD/SMT SSOP-20 I2C, Serial, SMBus With Interrupt 5 V 5 V 0 C + 70 C Reel Without ESD Protection