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BD4154FV Datasheet(PDF) 8 Page - Rohm |
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BD4154FV Datasheet(HTML) 8 Page - Rohm |
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8 / 16 page  BD4154FV Technical Note 8/15 www.rohm.com 2010.04 - Rev.B © 2010 ROHM Co., Ltd. All rights reserved. ● Timing Chart Power ON/OFF Status of ExpressCard TM System Status ExpressCard TM Module Status Power Switch Status Primary Auxiliary Primary(+3.3V and +1.5V) Auxiliary(3.3V Aux) OFF OFF Don’t care OFF OFF ON ON De-asserted OFF OFF Asserted ON ON ON ON De-asserted OFF OFF Asserted Before This OFF ON Asserted After This OFF OFF ExpressCard TM States Transition Diagram System Status Card Status Stand-by Status :SYSR=L Card Asserted Status :CP#=L ON Status :SYSR=H Card De-asserted Status :CP#=H From ON to Stand-by Status :SYSR=H→L From De-asserted to Asserted Status :CP#=H→L From Stand-by to ON Status :SYSR=L→H From Asserted to De-asserted Status :CP#=L→H V3AUX=OFF V15=V3=OFF CP#=H⇔L ⇔ SYSR=L→H CP#=L→H SYSR=H→L SYSR=H⇔L CP#=H SYSR=L CP#=L SYSR=L CP#=H SYSR=H CP#=L SYSR=H CP#=L SYSR=L→H CP#=H→L SYSR=H CP#=L SYSR=H→L CP#=L SYSR=L CP#=L→H V3AUX=ON V15=V3=ON V3AUX=ON V15=V3=OFF |
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