| Part Number | SM840021KA | SM840051KA | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers | Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers | 
| 
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| Product Status | Active | Active | 
| Type | Clock/Frequency Synthesizer | Clock/Frequency Synthesizer | 
| PLL | Yes | Yes | 
| Input | Crystal | Crystal | 
| Output | LVCMOS | LVCMOS, LVTTL | 
| Number of Circuits | 1 | 1 | 
| Ratio - Input:Output | 1:1 | 1:1 | 
| Differential - Input:Output | No/No | No/No | 
| Frequency - Max | 125MHz | 162.4MHz | 
| Divider/Multiplier | Yes/No | Yes/No | 
| Voltage - Supply | 2.375V ~ 3.465V | 2.375V ~ 3.465V | 
| Operating Temperature | -40°C ~ 75°C | -40°C ~ 75°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 8-TSSOP | 8-TSSOP |