| PartNumber | PI4IOE5V9539ZDEX | PI4IOE5V9539LE | PI4IOE5V9539LEX |
| Description | Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port | Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port | Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | Interface - I/O Expanders |
| RoHS | 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 |
| Interrupt Output | With Interrupt | With Interrupt | With Interrupt |
| 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 | TQFN-24 | TSSOP-24 | TSSOP-24 |
| Packaging | Reel | Tube | Reel |
| Output Type | Open Drain | Open Drain | Open Drain |
| Product | I/O Expanders | I/O Expanders | I/O Expanders |
| Series | PIO4IO | PIO4IO | PIO4IO |
| Type | I2C, SMBus | I2C, SMBus | I2C, SMBus |
| Brand | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Operating Supply Current | 135 uA | 135 uA | 135 uA |
| Pd Power Dissipation | 200 mW | 200 mW | 200 mW |
| Product Type | I/O Expanders | I/O Expanders | I/O Expanders |
| Factory Pack Quantity | 3500 | 62 | 3000 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.3 V | 2.3 V | 2.3 V |