I/O Expanders
Browse available I/O Expanders components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.
If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.
| Photo | Mfr. Part # | Availability | Price | 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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TCA6408ARSVRIC XPNDR 400KHZ I2C SMBUS 16UQFN |
13,999 | - |
|
Datasheet | - | 16-UFQFN | 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-UQFN (2.6x1.8) |
|
TCA9535RTWRIC XPNDR 400KHZ I2C SMBUS 24WQFN |
0 |
1+：$1.67000 10+：$1.22200 25+：$1.11040 100+：$0.98740 250+：$0.92872 500+：$0.89332 1000+：$0.88740 |
|
Datasheet | - | 24-WFQFN Exposed Pad | 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-WQFN (4x4) |
|
FXL6408UMXIC XPNDR 400KHZ I2C 16UMLP |
17,703 | - |
|
Datasheet | - | 16-UFQFN | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Open Drain | 6mA | 400 kHz | 1.65V ~ 4V | -40°C ~ 85°C | - | - | Surface Mount | 16-UMLP (1.8x2.6) |
|
PCF8574ADWRIC XPNDR 100KHZ I2C 16SOIC |
7,414 |
1+：$1.59000 10+：$1.15800 25+：$1.05160 100+：$0.93410 250+：$0.87812 500+：$0.84434 1000+：$0.83691 |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
PCF8574APWRIC XPNDR 100KHZ I2C 20TSSOP |
3,709 | - |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
|
TCA9555PWRIC XPND 400KHZ I2C SMBUS 24TSSOP |
10,938 |
1+：$1.81000 10+：$1.32900 25+：$1.20720 100+：$1.07400 250+：$1.01040 500+：$0.97208 1000+：$0.96659 |
|
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 | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
TCA9554PWRIC XPND 400KHZ I2C SMBUS 16TSSOP |
12,507 |
1+：$1.51000 10+：$1.10400 25+：$1.00160 100+：$0.88880 250+：$0.83508 500+：$0.80272 1000+：$0.79407 |
|
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 |
|
|
TCA9554APWRIC XPND 400KHZ I2C SMBUS 16TSSOP |
1,696 | - |
|
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 |
|
TCA9539PWRIC XPND 400KHZ I2C SMBUS 24TSSOP |
9,727 | - |
|
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 | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
|
TCA9534PWRIC XPNDR 400KHZ I2C 16TSSOP |
33,088 |
1+：$1.53000 10+：$1.11400 25+：$1.01040 100+：$0.89690 250+：$0.84280 500+：$0.81016 1000+：$0.80172 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | - | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
|
TCA9555RTWRIC XPNDR 400KHZ I2C SMBUS 24WQFN |
22,711 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | 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-WQFN (4x4) |
|
|
TCA9535PWRIC XPND 400KHZ I2C SMBUS 24TSSOP |
10,330 |
1+：$2.00000 10+：$1.46900 25+：$1.33720 100+：$1.19150 250+：$1.12208 500+：$1.08026 1000+：$1.07850 |
|
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 | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
TCA9555RGERIC XPNDR 400KHZ I2C SMBUS 24VQFN |
4,710 | - |
|
Datasheet | - | 24-VFQFN Exposed Pad | 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-VQFN (4x4) |
|
PCA9536DGKRIC XPNDR 400KHZ I2C SMBUS 8VSSOP |
6,822 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm 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-VSSOP |
|
PCAL6408ABSHPIC XPND 400KHZ I2C SMBUS 16HVQFN |
37,740 | - |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-HVQFN (3x3) |
|
PCAL6408AEX1ZIC XPND 400KHZ I2C SMBUS 16X2QFN |
29,800 | - |
|
Datasheet | - | 16-XFLGA | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-X2QFN (1.6x1.6) |
|
PCAL6408APWJIC XPND 400KHZ I2C SMBUS 16TSSOP |
27,873 | - |
|
Datasheet | Agile | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
PCAL6408AHKXIC XPNDR 400KHZ I2C SMBUS 16XQFN |
15,907 | - |
|
Datasheet | Agile | 16-XFQFN | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-XQFN (1.8x2.6) |
|
TCA6408ARGTRIC XPNDR 400KHZ I2C SMBUS 16VQFN |
13,718 | - |
|
Datasheet | - | 16-VFQFN Exposed Pad | 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-VQFN (3x3) |
|
PCA9536D,118IC XPNDR 400KHZ I2C SMBUS 8SO |
30,804 | - |
|
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-SO |
I/O Expanders FAQ
What I/O Expanders components can I source from EGOO?
You can browse available I/O Expanders product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.
Can EGOO help with hard-to-source or obsolete I/O Expanders parts?
Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.
Does EGOO support BOM and small-batch sourcing?
Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.
How do I request pricing and availability?
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