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| Part Number | CY2544FCT | CY2544QFCT | CY2545FCT | CY2546FCT | CY2547FCT | CY2548FCT | CY2544FIT | CY2544FC |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies | Cypress Semiconductor Corp | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Fanout Distribution, Fractional N Synthesizer, Multiplexer, Spread Spectrum Clock Generator | Clock Generator | Fanout Distribution, Fractional N Synthesizer, Multiplexer, Spread Spectrum Clock Generator | Fanout Distribution, Fractional N Synthesizer, Multiplexer, Spread Spectrum Clock Generator | Fanout Distribution, Fractional N Synthesizer, Multiplexer, Spread Spectrum Clock Generator | Fanout Distribution, Fractional N Synthesizer, Multiplexer, Spread Spectrum Clock Generator | Fanout Distribution, Fractional N Synthesizer, Multiplexer, Spread Spectrum Clock Generator | Fanout Distribution, Fractional N Synthesizer, Multiplexer, Spread Spectrum Clock Generator |
| PLL | Yes with Bypass | Yes with Bypass | Yes with Bypass | Yes with Bypass | Yes with Bypass | Yes with Bypass | Yes with Bypass | Yes with Bypass |
| Input | LVCMOS, Crystal | LVCMOS, Crystal | Clock, Crystal | LVCMOS, Crystal | Clock, Crystal | LVCMOS | LVCMOS, Crystal | LVCMOS, Crystal |
| Output | Clock | Clock | Clock | Clock | Clock | Clock | Clock | Clock |
| Number of Circuits | 1 | 4 | 1 | 1 | 1 | 1 | 1 | 1 |
| Ratio - Input:Output | 1:9 | 1:9 | 2:8 | 1:9 | 2:8 | 2:9 | 1:9 | 1:9 |
| Differential - Input:Output | No/No | No/No | No/No | No/No | No/No | No/No | No/No | No/No |
| Frequency - Max | 166MHz | 166MHz | 166MHz | 166MHz | 166MHz | 166MHz | 166MHz | 166MHz |
| Divider/Multiplier | Yes/No | Yes/No | Yes/No | Yes/No | Yes/No | Yes/No | Yes/No | Yes/No |
| Voltage - Supply | 2.25V ~ 3.6V | 2.25V ~ 3.6V | 2.25V ~ 3.6V | 1.65V ~ 1.95V | 1.65V ~ 1.95V | 2.25V ~ 3.6V | 2.25V ~ 3.6V | 2.25V ~ 3.6V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C (TA) | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | -40°C ~ 85°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-VFQFN Exposed Pad | 24-UFQFN Exposed Pad | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad |
| Supplier Device Package | 24-QFN (4x4) | 24-QFN (4x4) | 24-QFN (4x4) | 24-QFN (4x4) | 24-QFN (4x4) | 24-QFN (4x4) | 24-QFN (4x4) | 24-QFN (4x4) |
