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| PartNumber | PCF8574PW | PCF8574PWG4 | PCF8574PWE4 |
| Description | Interface - I/O Expanders Remote 8-Bit I/O Expander for I2C-Bus | Interface - I/O Expanders Remote 8-Bit I/O Expander | Interface - I/O Expanders Remote 8-Bit I/O Expander for I2C-Bus |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | - |
| RoHS | Y | Y | - |
| Number of I/Os | 8 I/O | 8 I/O | - |
| Maximum Clock Frequency | 100 kHz | 100 kHz | - |
| Operating Supply Voltage | 2.5 V to 6 V | 2.5 V to 6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSSOP-20 | TSSOP-20 | - |
| Packaging | Tube | Tube | - |
| Features | Interrupt Pin | Interrupt Pin | - |
| Product | I/O Expanders | I/O Expanders | - |
| Series | PCF8574 | PCF8574 | - |
| Type | I/O Expander | I/O Expander | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Family | PCF8574 | PCF8574 | - |
| Product Type | I/O Expanders | I/O Expanders | - |
| Factory Pack Quantity | 70 | 70 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Unit Weight | 0.002716 oz | 0.002716 oz | - |