SX1509BIULTRT 16-Ch I2C I/O Expander 28QFN — Semtech | ICBOMS
MPNSX1509BIULTRT
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IC XPNDR 400KHZ I2C 28QFN
$6.19692Price · pay online now
Packaging28-UFQFN Exposed Pad
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Output type | Open Drain, Push-Pull |
| Mounting | Surface Mount |
| Supply voltage | 1.425V ~ 3.6V |
| Current - output source (Sink) | 8mA, 15mA |
| Clock frequency | 400 kHz |
| Interface | I²C |
| Operating temperature | -40°C ~ 85°C |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Features | Keypad Controller, LED Output, POR |
| Number of i (O) | 16 |
| Case | 28-UFQFN Exposed Pad |
| Interrupt output | Yes |