cy25245 Cypress Semiconductor Corporation., cy25245 Datasheet
cy25245
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cy25245 Summary of contents
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... Spread Spectrum Output MW0^ (EMI suppressed) SDATA OR1^ SCLK GND OR2* SSON#^ Spread Spectrum Output (EMI suppressed) • 3901 North First Street • San Jose CY25245 EMI Solution = 3.3V ± 0. ± 10% DD ≤ 166 MHz in [1, 2] SSOP 1 20 REFOUT VDD 2 19 ...
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... N/A N/A N/A As Set 0 N/A N/A N/A As Set 0 N/A N/A N/A As Set 0 N/A N/A N/A As Set CY25245 Modulation and Power-down Settings IR1 MW2 MW1 1 Table 2 1 Table 2 1 Table 2 0 Table 2 0 Table 2 0 Table 2 1 Table 2 1 Table 2 1 Table 2 As Set Set 1 1 ...
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... The output frequency is then equal to the ratio of P/Q Clock Input Freq. Reference Input Divider Q Note: 3. For the CY25245, the output frequency is nominally equal to the input frequency. Document #: 38-07124 Rev. *B Bandwith Limit Frequencies Value of Fout MW0 = 0 MW1 Low ...
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... Figure 3 details the Cypress spreading pattern. Cypress does offer options with more spread and greater EMI reduction. Contact your local Sales representative for details on these devices. EMI Reduction Spread Spectrum Enabled Frequency Span (MHz) Figure 3. Typical Modulation Profile CY25245 Non- Spread Spectrum Down Spread Page [+] Feedback ...
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... Slave Address 11010010 2 Command Code Don’t Care 3 Byte Count Don’t Care 4 Data Byte 0 Refer to Table 5 The data bits in Data Bytes 0–7 set internal CY25245 registers that control device 5 Data Byte 1 6 Data Byte 2 7 Data Byte 3 8 Data Byte 4 ...
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... Refer to Table 1 Refer to Table 1 Refer to Table 1 Refer to Table 1 Hardware Normal CY25245 Bit Control 1 Default – 0 – 0 – 0 – 0 – 0 – 0 – 0 – 0 – 0 – ...
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... Refer to Table 2 Refer to Table 2 Disabled Disabled – – – – – – – – – – – – – – – – – – – – CY25245 Bit Control 1 Default Spread Off Enabled 1 Enabled 1 – 0 – 0 – 0 – 0 – 0 – ...
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... First locked clock cycle after Power Good Note 4 Note 4 @ 0.4V 3. 2.4V 3.3V DD < 70° ±10 Test Condition First locked clock cycle after Power Good Note 4 Note 4 @ 0.4V 2.4V CY25245 Rating Unit V ° +70 °C °C 0.5 W Min. Typ. Max. Unit 0.8 V 2 ...
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... =VIA to respective supply plane layer CY25245 Typ. Max. Unit 166 MHz 166 MHz 250 300 ps Product Flow Commercial, 0°C to 70°C Commercial, 0°C to 70°C Commercial, 0° ...
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... The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges. CY25245 51-85077-*C ...
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... Document History Page Document Title: CY25245 Frequency-multiplying, Peak-reducing EMI Solution Document Number: 38-07124 Issue REV. ECN NO. Date ** 109865 11/13/01 *A 122550 01/08/03 *B 318273 See ECN Document #: 38-07124 Rev. *B Orig. of Change Description of Change IKA New data sheet RGL Added SMARTSPREAD in the features area RGL ...