Interface - I/O Expanders

Results: 296
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Description Datasheet Availability Pricing (TWD) 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
Texas Instruments Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander
Datasheet
2,452In Stock
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 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW
Datasheet
818In Stock
10,000Expected 12/17/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCF8574A SMD/SMT TSSOP-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
Texas Instruments Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus
Datasheet
895In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

PCF8574A 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
Texas Instruments Interface - I/O Expanders 8bit I/O Expndr
Datasheet
1,943In Stock
10,900Expected 10/12/2026
Min.: 1
Mult.: 1

PCF8574 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
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CPW
Datasheet
108In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCF8575C SMD/SMT TSSOP-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
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DB
Datasheet
179In Stock
4,000On Order
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 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575PW
Datasheet
106In Stock
10,000Expected 10/8/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCF8575 SMD/SMT TSSOP-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 Expandable 5-Ch I2C Hub A 595-PCA9518DWT A 595-PCA9518DWT
Datasheet
133In Stock
Min.: 1
Mult.: 1

PCA9518 SMD/SMT SOIC-20 I2C, Serial 5 I/O Without Interrupt 3 V 3.6 V 400 kHz - 40 C + 85 C Tube 2 kV
Texas Instruments Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander
Datasheet
119In Stock
18,000Expected 1/7/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

PCA9534A 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 Remote 8B I2C & Lo- Pwr I/O Expander
Datasheet
205In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCA9534 SMD/SMT TVSOP-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 Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534PW
Datasheet
2,152In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1,001
: 2,000

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
Texas Instruments Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538DWR
Datasheet
16In Stock
640Expected 9/14/2026
Min.: 1
Mult.: 1

PCA9538 SMD/SMT SOIC-16 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Tube 2 kV
Texas Instruments Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538PW
Datasheet
69In Stock
8,000Expected 11/16/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCA9538 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
Texas Instruments Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander
Datasheet
13In Stock
3,000Expected 10/22/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

PCA9539 SMD/SMT VQFN-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
Texas Instruments Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-PCA9557PW
Datasheet
121In Stock
4,000Expected 9/15/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCA9557 SMD/SMT TSSOP-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
Texas Instruments Interface - I/O Expanders Remote 8-Bit I2C and Low-Pwr I/O Expande A 595-TCA9534ADWR
Datasheet
282In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

TCA9534A 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
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534DWR
Datasheet
501In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

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
Texas Instruments Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9535DBR
Datasheet
141In Stock
250Expected 8/31/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

TCA9535 SMD/SMT SSOP-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 1.65V to 5.5V Remote 4-Bit I2C and SMBus
Datasheet
1,144In Stock
5,000Expected 9/24/2026
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


Texas Instruments Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus
Datasheet
311In Stock
7,500Expected 8/27/2026
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
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWR
Datasheet
457In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

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
Texas Instruments Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9555DBR
Datasheet
467In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

TCA9555 SMD/SMT SSOP-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 Remote 16B I2C & SMB us I/O Expander
Datasheet
168In 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 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
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