| PartNumber | FST3257MTCX | FST3257MTC | FST3257M |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Multi/Demulti Bus Sw | Encoders, Decoders, Multiplexers & Demultiplexers Multi/Demulti Bus Sw | Encoders, Decoders, Multiplexers & Demultiplexers Multi/Demulti Bus Sw |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| RoHS | Y | Y | Y |
| Product | Multiplexers | Multiplexers | Multiplexers |
| Logic Family | FST | FST | FST |
| Number of Input Lines | 8 Input | 8 Input | 8 Input |
| Number of Output Lines | 4 Output | 4 Output | 4 Output |
| Propagation Delay Time | 0.25 ns at 4 V to 5.5 V | 0.25 ns at 4 V to 5.5 V | 0.25 ns at 4 V to 5.5 V |
| Supply Voltage Min | 4 V | 4 V | 4 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSSOP-16 | TSSOP-16 | SOIC-16 |
| Packaging | Reel | Tube | Tube |
| Function | Multiplexer/Demultiplexer Bus Switch | Multiplexer/Demultiplexer Bus Switch | Multiplexer/Demultiplexer Bus Switch |
| Height | 0.9 mm | 0.9 mm | 1.5 mm |
| Length | 5 mm | 5 mm | 10 mm |
| Series | FST3257 | FST3257 | - |
| Technology | CMOS | CMOS | CMOS |
| Width | 4.4 mm | 4.4 mm | 4 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Logic Type | CMOS | CMOS | CMOS |
| Low Level Output Current | 128 mA | 128 mA | 128 mA |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| Factory Pack Quantity | 2500 | 94 | 48 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Part # Aliases | FST3257MTCX_NL | - | FST3257M_NL |
| Unit Weight | 0.006102 oz | 0.006102 oz | 0.008536 oz |