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SC905AEVB Datasheet(PDF) 6 Page - Semtech Corporation |
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SC905AEVB Datasheet(HTML) 6 Page - Semtech Corporation |
6 / 23 page 6 © 2006 Semtech Corp. www.semtech.com POWER MANAGEMENT SC905A Parameter Symbol Condition Min Typ Max Units I2C Interface(5) Interface complies with slave mode I2C interface as described by Philips I2C specification version 2.1 dated January, 2000. Digital Input Voltage V IL 0.4 V V IH 1.25 V SDA Output Low Level I DIN (SDA) ≤ 3mA 0.4 V Digital Input Current I DG -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(5) Clock Frequency SCL 400 440 kHz SCL Low Period t LOW 1.3 μs SCL High Period t HIGH 0.6 μs Data Hold Time t HD_DAT 0 μs Data Setup Time t SU_DAT 100 ns Setup Time for Repeated START Condition t SU_STA 0.6 μs Hold Time for Repeated START Condition t HD_STA 0.6 μs Setup Time for STOP Condition t SU_STO 0.6 μs Bus-Free Time Between STOP and START t BUF 1.3 μs RESET Timeout Delay t RD 75 100 125 ms Power-up Delay Between PAD, ANA, TXCO t DELAY Delay Between Each Output Activating 100 μs Maximum Glitch Pulse Rejection t SP 50 ns Interface Start-up Time t EN Bus Start-up Time After EN Pin is Pulled High 350 μs Notes: (1) Applies to pin names, ON, HFPWR, CHPWR, PGOOD, VCSEL, VPSEL, EN_MOT, EN_TCXO. (2) Applies to pin names, PWRON, RESB. (3) For V OUT settings see Table A. (4) For V OUT settings see Table B. (5) Guaranteed by design. Electrical Characteristics (Cont.) |
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