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RT9758 数据表(PDF) 15 Page - Richtek Technology Corporation |
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RT9758 数据表(HTML) 15 Page - Richtek Technology Corporation |
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15 / 61 page ![]() RT9758 Copyright © 2023 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. DS9758-03 May 2023 www.richtek.com 15 Parameter Symbol Test Conditions Min Typ Max Unit Watchdog Reset Wait Time tWDT_WAIT -- 32 -- ms I2C Characteristics SCL, SDA High-Level Input Threshold Voltage VIH_I2C 1.5 -- -- V SCL, SDA Low-Level Input Threshold Voltage VIL_I2C -- -- 0.4 V SCL Clock Frequency fCLK Standard-mode -- -- 100 kHz Fast-mode -- -- 400 Fast-mode plus -- -- 1000 High-speed mode Cb = 400pF -- -- 1.7 MHz High-speed mode Cb = 100pF -- -- 3.4 Bus Free Time between Stop and Start Condition tBUF Standard-mode 4.7 -- -- s Fast-mode 1.3 -- -- Fast-mode plus 0.5 -- -- (Repeated) Start Hold Time tHD;STA Standard-mode 4 -- -- s Fast-mode 0.6 -- -- Fast-mode plus 0.26 -- -- High-speed mode Cb = 400pF 160 -- -- High-speed mode Cb = 100pF 160 -- -- (Repeated) Start Setup Time tSU;STA Standard-mode 4.7 -- -- s Fast-mode 0.6 -- -- Fast-mode Plus 0.26 -- -- High-speed mode Cb = 400 pF 160 -- -- ns High-speed mode Cb = 100 pF 160 -- -- STOP Condition Setup Time tSU;STO Standard-mode 4 -- -- s Fast-mode 0.6 -- -- Fast-mode plus 0.26 -- -- High-speed mode Cb = 400pF 160 -- -- ns High-speed mode Cb = 100pF 160 -- -- SDA Data Hold Time tHD;DAT Standard-mode 0.1 -- -- ns Fast-mode 0.1 -- -- Fast-mode plus 0.1 -- -- High-speed mode Cb = 400pF 0.1 -- 150 High-speed mode Cb = 100pF 0.1 -- 70 SDA Valid Acknowledge Time tVD;ACK Standard-mode -- -- 3.45 s Fast-mode -- -- 0.9 Fast-mode plus -- -- 0.45 |
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