| Part Number | FSA644BUCX | FSA644UCX | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | Interface - Specialized | Interface - Specialized | 
|   |   | |
| Product Status | Last Time Buy | Last Time Buy | 
| Applications | Cell Phone | Cell Phone | 
| Interface | - | - | 
| Voltage - Supply | 1.65V ~ 4.5V | 1.65V ~ 4.5V | 
| Package / Case | 36-UFBGA, WLCSP | 36-UFBGA, WLCSP | 
| Supplier Device Package | 36-WLCSP (2.42x2.42) | 36-WLCSP (2.43x2.43) | 
| Mounting Type | Surface Mount | Surface Mount |