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| PartNumber | TCA9555RTWR | TCA9555RGER | TCA9555RE4TWRE4 |
| Description | Interface - I/O Expanders Remote 16B I2C & SMBus I/O Expander | Interface - I/O Expanders 1.65 to 5.5V 16-bit I2C | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | - |
| RoHS | Y | Y | - |
| Number of I/Os | 16 I/O | 16 I/O | - |
| Interface Type | I2C, Serial, SMBus | I2C, Serial, SMBus | - |
| Maximum Clock Frequency | 400 kHz | 400 kHz | - |
| Operating Supply Voltage | 1.65 V to 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | WQFN-24 | VQFN-24 | - |
| Packaging | Reel | Reel | - |
| Features | Configuration Registers, Interrupt Pin | Configuration Registers, Interrupt Pin | - |
| Product | I/O Expanders | I/O Expanders | - |
| Series | TCA9555 | TCA9555 | - |
| Type | I/O Expander | I/O Expander | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Family | TCA9555 | TCA9555 | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | I/O Expanders | I/O Expanders | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Unit Weight | 0.001270 oz | 0.001439 oz | - |
| Interrupt Output | - | With Interrupt | - |
| Output Type | - | Open Drain | - |
| Operating Supply Current | - | 22 uA | - |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 1.65 V | - |