| Model Number |
| TCA9539RTWR |
PCF8574AN |
| Model Name |
| Texas Instruments TCA9539RTWR |
Texas Instruments PCF8574AN |
| Category |
| I/O Expanders |
I/O Expanders |
| Brand |
| Texas Instruments |
Texas Instruments |
| Description |
| 16 400kHz WQFN-24-EP(4x4) I/O Expanders ROHS |
100kHz I2C PDIP-16 I/O Expanders ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 1.100 grams / 0.038801 oz |
0.180 grams / 0.006349 oz |
| Package / Case |
| WQFN-24-EP(4x4) |
PDIP-16 |
| Package / Arrange |
| Tape & Reel (TR) |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Operating Temperature |
| -40℃~+85℃ |
-40℃~+85℃ |
| Interrupt Output |
| 有中断输出 |
有中断输出 |
| Supply Voltage |
| 1.65V~5.5V |
2.5V~6V |
| Number of I/O |
| 16 |
N/A |
| Clock Frequency |
| 400kHz |
100kHz |
| Output Source current |
| 10mA |
1mA |
| Output Type |
| Push-pull |
Push-pull |
| Output Sink Current |
| 25mA |
25mA |
| Interface |
| I2C;SMBus |
I2C |
