Datasheet VEML6035 (Vishay) - 3

制造商Vishay
描述Low Power, High Sensitivity, I²C, Accuracy Ambient Light Sensor
页数 / 页15 / 3 — VEML6035. I2C TIMING CHARACTERISTICS. STANDARD MODE (1). FAST MODE (1). …
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VEML6035. I2C TIMING CHARACTERISTICS. STANDARD MODE (1). FAST MODE (1). PARAMETER. SYMBOL. UNIT. MIN. MAX. Note

VEML6035 I2C TIMING CHARACTERISTICS STANDARD MODE (1) FAST MODE (1) PARAMETER SYMBOL UNIT MIN MAX Note

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VEML6035
www.vishay.com Vishay Semiconductors
I2C TIMING CHARACTERISTICS
(Tamb = 25 °C, unless otherwise specified)
STANDARD MODE (1) FAST MODE (1) PARAMETER SYMBOL UNIT MIN. MAX. MIN. MAX.
Clock frequency f(SMBCLK) 10 100 10 400 kHz Bus free time between start and stop condition t(BUF) 4.7 - 1.3 - μs Hold time after (repeated) start condition; t after this period, the first clock is generated (HDSTA) 4.0 - 0.6 - μs Repeated start condition setup time t(SUSTA) 4.7 - 0.6 - μs Stop condition setup time t(SUSTO) 4.0 - 0.6 - μs Data hold time t(HDDAT) 0 3450 0 900 ns Data setup time t(SUDAT) 250 - 100 - ns I2C clock (SCK) low period t(LOW) 4.7 - 1.3 - μs I2C clock (SCK) high period t(HIGH) 4.0 - 0.6 - μs Detect clock / data low timeout t(TIMEOUT) 25 35 - - ms Clock / data fall time t(F) - 300 - 300 ns Clock / data rise time t(R) - 1000 - 300 ns
Note
(1) Data based on standard I2C protocol requirement, not tested in production t t t (LOW) (R) (F) V I2C bus IH clock V (SLCK) IL t t (SUSTA) (HDSTA) t(HIGH) t t (SUSTO) (BUF) t(HDDAT) t(SUDAT) I2C bus VIH data (SDAT) VIL { { { { P S S P Stop condition Start condition Start Stop t(LOSEXT) SCLK SDA ACK ACK t t t (LOWMEXT) (LOWMEXT) (LOWMEXT) I2C bus clock (SLCK) I2C bus data (SDAT) Fig. 2 - I2C Timing Diagram Rev. 1.0, 12-Mar-2019
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