| Part Number | SM802124UMG-TR | SM802128UMG-TR | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers | Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers | 
|   |   | |
| Product Status | Active | Active | 
| Type | - | - | 
| PLL | Yes with Bypass | Yes with Bypass | 
| Input | LVCMOS | LVCMOS, Crystal | 
| Output | CMOS | LVPECL | 
| Number of Circuits | 1 | 1 | 
| Ratio - Input:Output | 1:2 | 2:8 | 
| Differential - Input:Output | No/Yes | No/Yes | 
| Frequency - Max | 125MHz | 312.5MHz | 
| Divider/Multiplier | Yes/No | Yes/No | 
| Voltage - Supply | 2.375V ~ 3.465V | 2.375V ~ 3.465V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 24-VFQFN Exposed Pad | 44-VFQFN Exposed Pad | 
| Supplier Device Package | 24-QFN (4x4) | 44-QFN (7x7) |