Interface - I/O Expanders

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Description Datasheet Availability Pricing (PLN) 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
Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp I2C interface
Datasheet
23 311In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 600

MCP23017 SMD/SMT QFN-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
Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp I2C interface
Datasheet
56 274In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 100

MCP23017 SMD/SMT SSOP-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

Texas Instruments Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander
Datasheet
21 161In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 001
: 2 500

PCA9536 SMD/SMT VSSOP-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 Lo-Vltg 24B I2C and SMBus I/O Expander
Datasheet
55 169In 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
Texas Instruments Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander
Datasheet
33 242In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

TCA9534 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
Texas Instruments Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander
Datasheet
19 077In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

TCA9539 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 Rem 16B I2C & SMBus Low-Pwr I/O Expander
Datasheet
22 510In 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


Diodes Incorporated Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K
Datasheet
9 086In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 400
: 3 500

PI4IOE5V6534Q SMD/SMT TQFN-46 I2C, Serial 28 I/O With Interrupt 1.65 V 5.5 V 100 kHz - 40 C + 105 C Reel, Cut Tape, MouseReel 2 kV
Diodes Incorporated Interface - I/O Expanders Interface IO Expander
Datasheet
24 314In Stock
21 000Expected 5/26/2027
MouseReel Available
Min.: 1
Mult.: 1
Max.: 3 500
: 3 500

PIO4IO SMD/SMT TQFN-24 I2C, Serial 16 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 Level Translating I/O Expander with Interrupt and Reset in XQFN16 package
Datasheet
44 109In Stock
144 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

PCA6408A 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 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HWQFN24 package
Datasheet
19 130In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6 000

PCA6416 SMD/SMT HWQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel
NXP Semiconductors Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset in TSSOP56 package
Datasheet
3 731In Stock
6 000Expected 12/22/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

PCA9505 SMD/SMT TSSOP-56 I2C, Serial 40 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 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset, Low Power version of PCA9505 in TSSOP56 package
Datasheet
19 599In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

PCA9506 SMD/SMT TSSOP-56 I2C, Serial 40 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 I/O Expander with Interrupt, Low Power version of PCA9554 in TSSOP16 package
Datasheet
23 189In Stock
32 500Expected 9/16/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

PCA9534 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
NXP Semiconductors Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander in TSSOP8 package
Datasheet
28 142In Stock
30 000Expected 2/22/2027
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
NXP Semiconductors Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander in HVSON8 package
Datasheet
25 805In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6 000

PCA9536 SMD/SMT HVSON-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

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus I/O Expander with Interrupt and Reset in HVQFN16 package
Datasheet
22 214In Stock
18 000Expected 3/22/2027
MouseReel Available
Min.: 1
Mult.: 1
: 6 000

PCA9538A SMD/SMT HVQFN-16 I2C, Serial, SMBus 8 I/O With Interrupt 1.65 V 5.5 V 100 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 913In Stock
17 500Expected 9/16/2026
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
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt in HWQFN24 package
Datasheet
28 411In Stock
24 000Expected 10/6/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6 000

PCA9555A SMD/SMT HWQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 100 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 in HVQFN24 package
Datasheet
15 316In Stock
30 000Expected 2/16/2027
MouseReel Available
Min.: 1
Mult.: 1
: 6 000

PCA9555 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
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package
Datasheet
57 829In 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 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package
Datasheet
52 845In 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 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HWQFN24 package
Datasheet
96 947In 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
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
44 433In Stock
42 500Expected 10/19/2026
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 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in HWQFN24 package
Datasheet
16 847In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6 000

PCAL9539A SMD/SMT HWQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV