
PCA9555AHF,128 16-bit I2C I/O expander | ICBOMS
MPNPCA9555AHF,128
Active
IC XPND 400KHZ I2C SMBUS 24HWQFN
$2.3800Ref. price · indicative, final on quote
Packaging24-WFQFN Exposed Pad
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Output type | Push-Pull |
| Mounting | Surface Mount |
| Voltage | 1.65V ~ 5.5V |
| Current - output source (Sink) | 10mA, 25mA |
| Frequency | 400 kHz |
| Interface | I²C, SMBus |
| Operating temperature | -40°C ~ 85°C |
| Package | Tape & Reel (TR) Cut Tape (CT) |
| Features | POR |
| Number of i (O) | 16 |
| Case | 24-WFQFN Exposed Pad |
| Interrupt output | Yes |