| PartNumber | ICS409M | ICS409MLF | ICS409MLFT |
| Description | IC PC PERIPHERAL CLOCK 8-SOIC | IC PC PERIPHERAL CLOCK 8-SOIC | IC PC PERIPHERAL CLOCK 8-SOIC |
| Manufacturer | IDT, Integrated Device Technology Inc | IDT, Integrated Device Technology Inc | - |
| Product Category | Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers | Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers | - |
| Series | - | - | - |
| Type | Clock/Frequency Synthesizer | Clock/Frequency Synthesizer | - |
| Packaging | Tube | Tube | - |
| Package Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | - |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | - |
| Mounting Type | Surface Mount | Surface Mount | - |
| Voltage Supply | 3 V ~ 3.6 V | 3 V ~ 3.6 V | - |
| Supplier Device Package | 8-SOIC | 8-SOIC | - |
| PLL | Yes | Yes | - |
| Input | Crystal | Crystal | - |
| Output | LVCMOS | LVCMOS | - |
| Number of Circuits | 1 | 1 | - |
| Ratio InputOutput | 1899/12/30 1:03:00 | 1899/12/30 1:03:00 | - |
| Differential InputOutput | No/No | No/No | - |
| Frequency Max | 80MHz | 80MHz | - |
| Divider Multiplier | No/No | No/No | - |