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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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CS8420 데이터시트(PDF) 9 Page - Cirrus Logic |
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CS8420 데이터시트(HTML) 9 Page - Cirrus Logic |
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9 / 80 page  CS8420 DS245PP2 9 SWITCHING CHARACTERISTICS - CONTROL PORT - I2C® MODE (Note 12, T A = 25 °C; VA+ = VD+ = 5V ±5%, Inputs: Logic 0 = 0V, Logic 1 = VD+; CL = 20 pF) Notes: 12. I2C is a registered trademark of Philips Semiconductors. 13. Data must be held for sufficient time to bridge the 300ns transition time of SCL. Specifications are subject to change without notice Parameter Symbol Min Typ Max Units SCL Clock Frequency fscl - - 100 kHz Bus Free Time Between Transmissions tbuf 4.7 - - µs Start Condition Hold Time (prior to first clock pulse) thdst 4.0 - - µs Clock Low Time tlow 4.7 - - µs Clock High Time thigh 4.0 - - µs Setup Time for Repeated Start Condition tsust 4.7 - - µs SDA Hold Time from SCL Falling (Note 13) thdd 0- - µs SDA Setup Time to SCL Rising tsud 250 - - ns Rise Time of Both SDA and SCL Lines tr -- 1 µs Fall Time of Both SDA and SCL Lines tf - - 300 ns Setup Time for Stop Condition tsusp 4.7 - - µs t buf t hdst t hdst t low t r t f t hdd t high t sud t sust t susp Stop Start Start Stop Repeated SDA SCL Figure 4. I2C Mode Timing |
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