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LP5523 датащи(PDF) 8 Page - Texas Instruments |
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LP5523 датащи(HTML) 8 Page - Texas Instruments |
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8 / 61 page ![]() 8 LP5523 SNVS550E – SEPTEMBER 2009 – REVISED JANUARY 2017 www.ti.com Product Folder Links: LP5523 Submit Documentation Feedback Copyright © 2009–2017, Texas Instruments Incorporated (1) The Electrical Characteristics tables list ensured specifications under Recommended Operating Conditions except as otherwise modified or specified by the Electrical Characteristics conditions and/or notes. Typical specifications are estimations only and are not ensured. (2) All voltages are with respect to the potential at the GND pin. (3) Minimum and maximum limits are ensured by design, test, or statistical analysis. (4) Minimum and maximum limits are ensured by design, test, or statistical analysis. (5) Specification is ensured by design and is not tested in production. VEN = 1.65 V to VDD. 6.11 Serial Bus Timing Parameters (SDA, SCL) Unless otherwise noted limits apply for TA = 25°C. See (1) (2) (3) (4) (5) MIN MAX UNIT fSCL Clock frequency 400 kHz 1 Hold time (repeated) START condition 0.6 µs 2 Clock low time 1.3 µs 3 Clock high time 600 ns 4 Setup TIME FOR A REPEATED START condition 600 ns 5 Data hold time 50 ns 6 Data setup time 100 ns 7 Rise time of SDA and SCL 20+0.1 Cb 300 ns 8 Fall time of SDA and SCL 15+0.1 Cb 300 ns 9 Set-up time for STOP condition 600 ns 10 Bus free time between a STOP and a START condition 1.3 µs Cb Capacitive load parameter for each bus line. Load of one picofarad corresponds to one nanosecond. 10 200 ns Figure 1. External Clock Signals Figure 2. Serial Bus Timing Diagram |
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