KB Interface - I/O Expanders

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Description Datasheet Availability Pricing (INR) 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
NXP Semiconductors Interface - I/O Expanders 4-bit I2C-bus GPO Expander in XQFN8 package
Datasheet
22,595In Stock
24,000Expected 10-05-2027
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

PCA9570 SMD/SMT XQFN-8 I2C, Serial 4 I/O Without Interrupt 1.1 V 3.6 V 1 MHz - 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 X2QFN16 package
Datasheet
611In Stock
15,000On Order
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 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in XQFN16 package
Datasheet
10,117In Stock
96,000On Order
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 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA24 package
Datasheet
1,905In Stock
6,000Expected 07-10-2026
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
NXP Semiconductors Interface - I/O Expanders 34-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA42 package
Datasheet
4,400In 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
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package
Datasheet
6,371In Stock
6,000Expected 18-03-2027
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

PCAL9538A SMD/SMT HVQFN-16 I2C, Serial 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, Reset and Agile I/O in TSSOP16 package
Datasheet
12,409In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCAL9538A SMD/SMT TSSOP-16 I2C, Serial 8 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Semtech Interface - I/O Expanders 8 CHAN LOW VOLT I2C GPIO + PWM
Datasheet
7,498In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SX1508 SMD/SMT QFN-20 I2C, Serial 8 I/O With Interrupt 1.2 V 3.6 V 2 MHz - 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
Analog Devices / Maxim Integrated Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port
Datasheet
1,589In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1,589

MAX7300 SMD/SMT TQFN-40 I2C, Serial 20 I/O With Interrupt 2.5 V 5.5 V 400 kHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Analog Devices / Maxim Integrated Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port
Datasheet
2,754In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,754
: 1,000

MAX7301 SMD/SMT SSOP-36 Serial, SPI 28 I/O With Interrupt 2.5 V 5.5 V 26 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Analog Devices / Maxim Integrated Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port
Datasheet
21,114In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 21,124
: 2,500

MAX7301 SMD/SMT TQFN-40 Serial, SPI 28 I/O With Interrupt 2.5 V 5.5 V 26 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Analog Devices / Maxim Integrated Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand
Datasheet
2,586In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,586
: 2,500

MAX7311 SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.5 V 5.5 V 400 kHz - 40 C + 125 C Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand
Datasheet
4,947In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 4,947
: 2,500

MAX7312 SMD/SMT TQFN-24 16 I/O 2 V 5.5 V 400 kHz - 40 C + 125 C Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Interface - I/O Expanders 16-Port I/O Expander with LED Intensity
Datasheet
26,136In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 26,136
: 2,500

MAX7313 SMD/SMT TQFN-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
7,223In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 7,223
: 2,500

MAX7315 SMD/SMT TSSOP-16 2 V 3.6 V 400 kHz - 40 C + 125 C Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os
Datasheet
6,852In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 6,852
: 2,500

MAX7321 SMD/SMT TQFN-16 I2C, Serial 8 I/O With Interrupt 1.71 V 5.5 V 400 kHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Texas Instruments Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER
Datasheet
202In Stock
3,000Expected 14-09-2026
Min.: 1
Mult.: 1

TCAL9538 SMD/SMT TSSOP-16 I2C, Serial, SMBus 9 I/O With Interrupt 1.08 V 3.6 V 1 MHz - 40 C + 125 C
Texas Instruments Interface - I/O Expanders 16-bit low-voltage I C-bus and SMBus I/O
Datasheet
630In Stock
3,000Expected 24-09-2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

TCAL9539 SMD/SMT TSSOP-24 I2C, Serial 16 I/O With Interrupt 1.08 V 3.6 V 1 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel
Nexperia Interface - I/O Expanders NCA9539PW-Q100/SOT355/TSSOP24
Datasheet
1,535In 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 + 125 C AEC-Q100 Reel, Cut Tape, MouseReel
Nexperia Interface - I/O Expanders NCA9555PW/SOT355/TSSOP24
Datasheet
838In 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
Nexperia Interface - I/O Expanders PCA9539PW/SOT355/TSSOP24
Datasheet
3,576In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT TSSOP-24 I2C, Serial 16 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel With ESD Protection
Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp I2C interface
Datasheet
4,218In Stock
7,965Expected 10-09-2026
Min.: 1
Mult.: 1

MCP23017 Through Hole SPDIP-28 I2C, Serial 16 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Tube 4 kV
Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp I2C interface
Datasheet
8,516In Stock
15,886Expected 22-09-2026
Min.: 1
Mult.: 1

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 Tube 4 kV

Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp I2C interface
Datasheet
9,381In Stock
19,200Expected 05-10-2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,600

MCP23017 SMD/SMT SOIC-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