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SC623AEVB Datasheet(PDF) 5 Page - Semtech Corporation |
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SC623AEVB Datasheet(HTML) 5 Page - Semtech Corporation |
5 / 21 page SC623A 5 Electrical Characteristics (continued) Parameter Symbol Conditions Min Typ Max Units I2C Interface Interface complies with slave mode I2C interface as described by Philips I2C specification version 2.1 dated January, 2000. Digital Input Voltage V B-IL 0.4 V V B-IH 1.6 V SDA Output Low Level I DIN (SDA) ≤ 3mA 0.4 V Digital Input Current I B-IN -0.2 0.2 μA Hysteresis of Schmitt Trigger Inputs V HYS 0.1 V Maximum Glitch Pulse Rejection t SP 50 ns I/O Pin Capacitance C IN 10 pF I2C Timing Clock Frequency f SCL 400 440 kHz SCL Low Period(5) t LOW 1.3 μs SCL High Period(5) t HIGH 0.6 μs Data Hold Time(5) t HD_DAT 0μs Data Setup Time(5) t SU_DAT 100 μs Setup Time for Repeated START Condition(5) t SU_STA 0.6 μs Hold Time for Repeated START Condition(5) t HD_STA 0.6 μs Setup Time for STOP Condition(5) t SU_STO 0.6 μs Bus-Free Time Between STOP and START(5) t BUF 1.3 μs Interface Start-up Time(5) t EN Bus Start-up Time After EN Pin is Pulled High 1 ms Notes: (1) ΔV F is the voltage difference between any two LEDs. (2) Once tripped, flash output will remain disabled until FLEN pin is cycled or reset via serial interface. (3) Current matching equals ± [I BL(MAX) - I BL(MIN ] / [I BL(MAX) + I BL(MIN) ]. (4) Test voltage is V OUT = 4.0V — a relatively extreme LED voltage — to force a transition during test. Typically V OUT = 3.2V for white LEDs. (5) Guaranteed by design |
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