I/O Expanders
Explore I/O Expanders parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to ICMENU. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Programmable | Number of I/O | Interface | Interrupt Output | Features | Output Type | Current - Output Source/Sink | Clock Frequency | Voltage - Supply | Operating Temperature | Grade | Qualification | Mounting Type | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCA9501BS,118IC XPND 400KHZ I2C SMBUS 20HVQFN |
3,319 |
|
Datasheet | - | 20-VQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | EEPROM, POR | Push-Pull | 100µA, 25mA | 400 kHz | 2.5V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 20-HVQFN (5x5) |
|
PCAL9535APW,118IC XPND 400KHZ I2C SMBUS 24TSSOP |
3,679 |
|
Datasheet | Agile | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
PCF8575RGERIC XPNDR 400KHZ I2C SMBUS 24VQFN |
2,485 |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 1mA, 25mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-VQFN (4x4) |
|
|
PCA9673PW,118IC XPNDR 1MHZ I2C 24TSSOP |
7,104 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
|
PCA9671PW,118IC XPNDR 1MHZ I2C 24TSSOP |
5,225 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | No | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
|
PCA9675PW,118IC XPNDR 1MHZ I2C 24TSSOP |
2,971 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
PCA9671BS,118IC XPNDR 1MHZ I2C 24HVQFN |
2,316 |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | No | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-HVQFN (4x4) |
|
|
PCA9539RPW/Q900JIC XPND 400KHZ I2C SMBUS 24TSSOP |
5,940 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 3V ~ 5.5V | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 24-TSSOP |
|
PI4IOE5V96224ZLEXIC XPNDR 1MHZ I2C SMBUS 32TQFN |
4,954 |
|
Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 24 | I2C, SMBus | Yes | POR | Push-Pull | 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 32-TQFN (3x6) |
|
PI4IOE5V6416Q2LEXIC XPNDR 400KHZ I2C 24TSSOP |
3,214 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 105°C | - | - | Surface Mount | 24-TSSOP |
|
ADP5587ACPZ-R7IC XPNDR 400KHZ I2C 24LFCSP |
6,273 |
|
Datasheet | - | 24-WFQFN Exposed Pad, CSP | Tape & Reel (TR) | Active | Not Verified | 18 | I2C | Yes | Keypad Controller, POR | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 24-LFCSP-WQ (4x4) |
|
MAX7320AEE+IC XPNDR 400KHZ I2C 16QSOP |
829 |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Not Verified | 8 (Output Only) | I2C | No | POR | Open Drain, Push-Pull | 25mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-QSOP |
|
CY8C9520A-24PVXIIC XPNDR 100KHZ I2C 28SSOP |
584 |
|
Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | Not Verified | 20 | I2C | Yes | EEPROM, POR, PWM, WDT | Open Drain | 10mA, 25mA | 100 kHz | 3V ~ 5.25V | -40°C ~ 85°C | - | - | Surface Mount | 28-SSOP |
|
MAX7319ATE+IC XPNDR 400KHZ I2C 16TQFN |
443 |
|
Datasheet | - | 16-WFQFN Exposed Pad | Tube | Active | Not Verified | 8 (Input Only) | I2C | Yes | POR | - | 25mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-TQFN (3x3) |
|
MAX7328AWE+IC XPNDR 100KHZ 2-WIRE 16SOIC |
126 |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | 8 | 2-Wire | No | - | Open Drain | - | 100 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-SOIC |
|
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MAX7320ATE+IC XPNDR 400KHZ I2C 16TQFN |
3,131 |
|
Datasheet | - | 16-WFQFN Exposed Pad | Tube | Active | Not Verified | 8 | I2C | No | POR | Open Drain, Push-Pull | 25mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-TQFN (3x3) |
|
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MAX7315ATE+IC XPNDR 400KHZ I2C SMBUS 16TQFN |
2,323 |
|
Datasheet | - | 16-WFQFN Exposed Pad | Tube | Active | Not Verified | 8 | I2C, SMBus | Yes | PWM | Open Drain | 50mA | 400 kHz | 2V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 16-TQFN (3x3) |
|
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MAX7319AEE+IC XPNDR 400KHZ I2C 16QSOP |
2,112 |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Not Verified | 8 (Input Only) | I2C | Yes | POR | - | 25mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-QSOP |
|
MAX7312AAG+IC XPNDR 400KHZ I2C SMBUS 24SSOP |
2,165 |
|
Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Tube | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 31mA, 43mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-SSOP |
|
MAX7313ATG+IC XPNDR 400KHZ I2C SMBUS 24TQFN |
3,958 |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tube | Active | Not Verified | 16 | I2C, SMBus | Yes | PWM | Open Drain | 50mA | 400 kHz | 2V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 24-TQFN (4x4) |
Frequently Asked Questions
What are I/O Expanders components used for?
I/O Expanders components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right I/O Expanders part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can ICMENU help source obsolete or hard-to-find I/O Expanders parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
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