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| PartNumber | PCA9555PWR | PCA9555PWRG4 | PCA9555PWRE4 |
| Description | Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander | Interface - I/O Expanders Rem 16B I2C & SMBus I/O Expander | Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | Interface - I/O Expanders |
| RoHS | Y | Y | Y |
| Number of I/Os | 16 I/O | 16 I/O | 16 I/O |
| Interface Type | I2C, Serial, SMBus | I2C, Serial, SMBus | I2C, Serial, SMBus |
| Maximum Clock Frequency | 400 kHz | 400 kHz | 400 kHz |
| Operating Supply Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSSOP-24 | TSSOP-24 | TSSOP-24 |
| Packaging | Reel | Reel | Reel |
| Features | Configuration Registers, Interrupt Pin | Configuration Registers, Interrupt Pin | - |
| Product | I/O Expanders | - | I/O Expanders |
| Series | PCA9555 | PCA9555 | PCA9555 |
| Type | I/O Expander | - | I/O Expander |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Family | PCA9555 | PCA9555 | PCA9555 |
| Product Type | I/O Expanders | I/O Expanders | I/O Expanders |
| Factory Pack Quantity | 2000 | 2000 | 2000 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| Unit Weight | 0.003157 oz | 0.003157 oz | 0.003157 oz |