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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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PCA9672D,512IC XPNDR 1MHZ I2C 16SO |
3,071 |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
PCA9673BS,118IC XPNDR 1MHZ I2C 24HVQFN |
1,141 |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-HVQFN (4x4) |
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PCA9701D,112IC XPNDR 5MHZ SPI SERIAL 24SO |
3,493 |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | 16 (Input Only) | SPI Serial | Yes | - | Push-Pull | - | 5 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-SO |
|
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PCA9701D,118IC XPNDR 5MHZ SPI SERIAL 24SO |
1,044 |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 (Input Only) | SPI Serial | Yes | - | Push-Pull | - | 5 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-SO |
|
PCA9701PW,112IC XPNDR 5MHZ SPI SERIAL 24TSSOP |
1,741 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 16 (Input Only) | SPI Serial | Yes | - | Push-Pull | - | 5 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-TSSOP |
|
MAX7316AEE+IC XPNDR 400KHZ I2C SMBUS 16QSOP |
4,572 |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | 10 | I2C, SMBus | Yes | PWM | Open Drain | 50mA | 400 kHz | 2V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 16-QSOP |
|
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MAX7316AEE+TIC XPNDR 400KHZ I2C SMBUS 16QSOP |
4,636 |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 10 | I2C, SMBus | Yes | PWM | Open Drain | 50mA | 400 kHz | 2V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 16-QSOP |
|
DS4550E+T&RIC XPNDR 400KHZ I2C JTAG 20TSSOP |
4,467 |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 9 | I2C, JTAG | No | EEPROM, POR | Open Drain | 16mA | 400 kHz | 2.7V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
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PCA9535CD,112IC XPNDR 400KHZ I2C SMBUS 24SO |
3,429 |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SO |
|
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PCA9535CPW,112IC XPND 400KHZ I2C SMBUS 24TSSOP |
2,743 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
MAX7300ANI+IC XPNDR 400KHZ I2C 2-WIRE 28DIP |
2,427 |
|
Datasheet | - | 28-DIP (0.300", 7.62mm) | Tube | Obsolete | Not Verified | 20 | I2C, 2-Wire Serial | Yes | - | Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Through Hole | 28-PDIP |
|
MAX7326AEG+TIC XPNDR 400KHZ I2C 24QSOP |
2,906 |
|
Datasheet | - | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 20mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-QSOP |
|
PCA9539PWG4IC XPND 400KHZ I2C SMBUS 24TSSOP |
2,252 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
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PCF8574DWRG4IC XPNDR 100KHZ I2C 16SOIC |
1,541 |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
TCA6408PWIC XPND 400KHZ I2C SMBUS 16TSSOP |
3,948 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
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TCA6408PWG4IC XPND 400KHZ I2C SMBUS 16TSSOP |
2,118 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
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TCA6408PWRG4IC XPND 400KHZ I2C SMBUS 16TSSOP |
1,745 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
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IS82C55A-5Z96IC XPNDR PARALLEL 44PLCC |
1,374 |
|
Datasheet | - | 44-LCC (J-Lead) | Tape & Reel (TR) | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
|
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IS82C55A-5ZIC XPNDR PARALLEL 44PLCC |
4,635 |
|
Datasheet | - | 44-LCC (J-Lead) | Tube | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
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PCA9674PW/S911,118IC XPNDR 1MHZ I2C 16TSSOP |
2,053 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
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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