| Part Number | FST33X257QSP | FST33X257QSPX | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | Logic - Signal Switches, Multiplexers, Decoders | Logic - Signal Switches, Multiplexers, Decoders | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Multiplexer/Demultiplexer | Multiplexer/Demultiplexer | 
| Circuit | 1 x 8:4 | 1 x 8:4 | 
| Independent Circuits | 3 | 3 | 
| Current - Output High, Low | - | - | 
| Voltage Supply Source | Single Supply | Single Supply | 
| Voltage - Supply | 4V ~ 5.5V | 4V ~ 5.5V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 48-FSOP (0.154", 3.90mm Width) | 48-FSOP (0.154", 3.90mm Width) | 
| Supplier Device Package | 48-QVSOP | 48-QVSOP |