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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
.jpg "CS82C55AZ96")
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CS82C55AZ96IC XPNDR PARALLEL 44PLCC |
2,536 |
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Datasheet | - | 44-LCC (J-Lead) | Tape & Reel (TR) | Active | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | 0°C ~ 70°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
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IS82C55AZIC XPNDR PARALLEL 44PLCC |
163 |
|
Datasheet | - | 44-LCC (J-Lead) | Tube | Active | 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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IS82C55AZ96IC XPNDR PARALLEL 44PLCC |
1,265 |
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Datasheet | - | 44-LCC (J-Lead) | Tape & Reel (TR) | Active | 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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PCA9570GMHIC XPNDR 100KHZ I2C SMBUS 8XQFN |
9,148 |
|
Datasheet | - | 8-XFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | No | POR | Push-Pull | 4mA | 100 kHz | 1.1V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 8-XQFN (1.6x1.6) |
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TCA9554ADBRIC XPNDR 400KHZ I2C SMBUS 16SSOP |
2,920 |
|
Datasheet | - | 16-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SSOP |
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TCA9534DWRIC XPNDR 400KHZ I2C 16SOIC |
462 |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
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TCA9555DBRIC XPNDR 400KHZ I2C SMBUS 24SSOP |
3,927 |
|
Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SSOP |
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PCA6408AHKXIC XPNDR 400KHZ I2C SMBUS 16XQFN |
6,991 |
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Datasheet | - | 16-XFQFN | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-XQFN (1.8x2.6) |
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PCA9536DRIC XPNDR 400KHZ I2C SMBUS 8SOIC |
6,207 |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | No | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 8-SOIC |
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PCAL9714HNMPLOW-VOLTAGE TRANSLATING 14-BIT S |
5,434 |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | - | 14 | SPI | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 5 MHz | 1.1V ~ 5.5V, 1.65V ~ 5.5V | -40°C ~ 85°C | Automotive | AEC-Q100 | Surface Mount | 24-HVQFN (4x4) |
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TCA9536DGKRIC XPNDR 1MHZ I2C SMBUS 8VSSOP |
22,835 |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 8-VSSOP |
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TCA9536DTMRIC XPNDR 1MHZ I2C SMBUS 8X2SON |
10,868 |
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Datasheet | - | 8-XFDFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 8-X2SON (1.35x0.8) |
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TCA9536BDTMRIC XPNDR 1MHZ I2C SMBUS 8X2SON |
4,758 |
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Datasheet | - | 8-XFDFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 8-X2SON (1.35x0.8) |
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TCA9536ADTMRIC XPNDR 1MHZ I2C SMBUS 8X2SON |
3,828 |
|
Datasheet | - | 8-XFDFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 8-X2SON (1.35x0.8) |
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TCA9537DGSRIC XPNDR 1MHZ I2C 10VSSOP |
3,624 |
|
Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Not Verified | 4 | I2C | Yes | POR | Open Drain | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 10-VSSOP |
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TCA9554ADBQRIC XPNDR 400KHZ I2C SMBUS 16SSOP |
3,865 |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SSOP |
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TCA6408APWRIC XPND 400KHZ I2C SMBUS 16TSSOP |
3,087 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | 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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TCA9534ADWRIC XPNDR 400KHZ I2C 16SOIC |
3,872 |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | - | Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
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TCA9554DBQRIC XPNDR 400KHZ I2C 16SSOP |
2,181 |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SSOP |
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PCA6408APW,118IC XPND 400KHZ I2C SMBUS 16TSSOP |
66,356 |
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Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | 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 |
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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