| PartNumber | TCA9539PWR | TCA9539RGER | TCA9539QPWRQ1 |
| Description | Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander | Interface - I/O Expanders Remote 16bit I2C and SMBux | Interface - I/O Expanders Automotive Low Voltage 16bit |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| 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 | - |
| 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 | 1.65 V to 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 | TSSOP-24 | VQFN-24 | - |
| Packaging | Reel | Reel | Digi-ReelR Alternate Packaging |
| Features | Configuration Registers, Interrupt Pin, Reset Pin | Configuration Registers, Interrupt Pin, Reset Pin | POR |
| Series | TCA9539 | TCA9539 | Automotive, AEC-Q100 |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Family | TCA9539 | TCA9539 | - |
| Product Type | I/O Expanders | I/O Expanders | - |
| Factory Pack Quantity | 2000 | 3000 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Unit Weight | 0.007478 oz | 0.001926 oz | - |
| Interrupt Output | - | With Interrupt | Yes |
| Output Type | - | Open Drain, Push Pull | Push-Pull |
| Product | - | I/O Expanders | - |
| Type | - | I/O Expander | - |
| Moisture Sensitive | - | Yes | - |
| Operating Supply Current | - | 22 uA | - |
| Supply Voltage Max | - | 5 V | - |
| Supply Voltage Min | - | 1.65 V | - |
| Package Case | - | - | 24-TSSOP (0.173", 4.40mm Width) |
| Operating Temperature | - | - | -40°C ~ 125°C |
| Mounting Type | - | - | Surface Mount |
| Interface | - | - | I2C, SMBus |
| Voltage Supply | - | - | 1.65 V ~ 3.6 V |
| Supplier Device Package | - | - | 24-TSSOP |
| Number of I O | - | - | 16 |
| Current Output Source Sink | - | - | 10mA, 25mA |
| Frequency Clock | - | - | 400kHz |