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BQ2011SN Datasheet(PDF) 17 Page - Texas Instruments |
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BQ2011SN Datasheet(HTML) 17 Page - Texas Instruments |
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17 / 21 page  17 bq2011 Serial Communication Timing Specification (TA =TOPR) Symbol Parameter Minimum Typical Maximum Unit Notes tCYCH Cycle time, host to bq2011 3 - - ms See note tCYCB Cycle time, bq2011 to host 3 - 6 ms tSTRH Start hold, host to bq2011 5 - - ns tSTRB Start hold, bq2011 to host 500 - - µs tDSU Data setup - - 750 µs tDH Data hold 750 - - µs tDV Data valid 1.50 - - ms tSSU Stop setup - - 2.25 ms tSH Stop hold 700 - - µs tSV Stop valid 2.95 - - ms tB Break 3 - - ms tBR Break recovery 1 - - ms Note: The open-drain DQ pin should be pulled to at least VCC by the host system for proper DQ operation. DQ may be left floating if the serial interface is not used. DQ (R/W "1") tSTRH tSTRB tDSU tDH tDV tSV tSSU tSH tCYCH, tCYCB, tB tBR DQ (R/W "0") DQ (BREAK) Serial Communication Timing Illustration |
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