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CY2545/CY2547 Quad-PLL Programmable Spread Spectrum Clock Generator with Serial I2C Interface Quad-PLL Programmable Spread Spectrum Clock Generator with Serial I2C Interface Features ■ Four fully-integrated phase-locked loops (PLLs) ■ Input frequency range ❐ External crystal: 8 to 48 MHz ❐ External reference: 8 to 166 MHz clock ■ Wide operating output frequ.
■ Four fully-integrated phase-locked loops (PLLs)
■ Input frequency range
❐ External crystal: 8 to 48 MHz
❐ External reference: 8 to 166 MHz clock
■ Wide operating output frequency range
❐ 3 to 166 MHz
■ Serial programmable over two-wire I2C interface
■ Programmable spread spectrum with center and down spread option and Lexmark and Linear modulation profiles
■ VDD supply voltage options:
❐ 2.5 V, 3.0 V, and 3.3 V for CY2545
❐ 1.8 V for CY2547
■ Selectable output clock voltages independent of VDD supply:
❐ 1.8 V, 2.5 V, 3.0 V, and 3.3 V for CY2545
❐ 1.8 V for CY2547
■ Power-down, output enable,.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | CY25402 |
Cypress |
Two-PLL Programmable Clock Generator |
|
| 2 | CY25403 |
Cypress |
Three-PLL Programmable Clock Generator |
|
| 3 | CY25404 |
Cypress Semiconductor |
Quad PLL Programmable Clock Generator |
|
| 4 | CY25422 |
Cypress |
Two-PLL Programmable Clock Generator |
|
| 5 | CY25423 |
Cypress |
Three-PLL Programmable Clock Generator |
|
| 6 | CY2544 |
Cypress Semiconductor |
Quad PLL Programmable Clock Generator |
|
| 7 | CY2546 |
Cypress Semiconductor |
Quad PLL Programmable Clock Generator |
|
| 8 | CY2547 |
Cypress Semiconductor |
Quad-PLL Programmable Spread Spectrum Clock Generator |
|
| 9 | CY2548 |
Cypress Semiconductor |
Quad PLL Programmable Clock Generator |
|
| 10 | CY25482 |
Cypress Semiconductor |
Two-PLL Programmable Clock Generator |
|
| 11 | CY25483 |
Cypress Semiconductor |
Three-PLL Programmable Clock Generator |
|
| 12 | CY25000 |
Cypress Semiconductor |
Programmable Spread Spectrum Clock Generator |
|