| Series | CAT9555 |
| Package | Tape & Reel (TR) |
| Part Status | Last Time Buy |
| Number of I/O | 16 |
| Interface | I²C, SMBus |
| Interrupt Output | Yes |
| Features | POR |
| Output Type | Push-Pull |
| Current - Output Source/Sink | - |
| Clock Frequency | 400 kHz |
| Voltage - Supply | 2.3V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad |
| Supplier Device Package | 24-TQFN (4x4) |
