Datenblatt-Suchmaschine für elektronische Bauteile |
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BU21049GUL Datenblatt(PDF) 10 Page - Rohm |
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BU21049GUL Datenblatt(HTML) 10 Page - Rohm |
10 / 26 page BU21049GUL TSZ02201-0Y1Y0F300010-1-2 © 2011 ROHM Co., Ltd. All rights reserved. 31.JAN.2012 Rev.001 www.rohm.co TSZ22111・15・001 10/23 Datasheet Datasheet ●Power supply and reset timing specification The BU21049GUL will be in standby state, if the RSTB pin is low, and the host processor cannot communicate with the BU21049GUL. If pass the time(defined by Tdelay) after the RSTB pin is set to high, the BU21049GUL will be in idle state and comes to be able to perform communication with the host processor. The RSTB pin is connectable with power supply by the power-on-reset circuit. VDD PVDD RSTB 0V Trise Twait Typ. 3.0V 0V Toff Tdelay ‘L’(Disable) ‘H’(Enable) ‘L’(Disable) Enable (Internal signal) VDD*0.2 Typ. 3.0V Power-on-reset AC timing characteristics (Ta=25℃, VDD=PVDD=3.00V, GND=0.00V, unless otherwise noted) Rating Parameter Symbol MIN TYP MAX Unit Condition VDD rise time Trise 0.01 - 10 ms RSTB delay time Tdelay 0 - - ms Enable delay time Twait - - 1 ms VREF Cload=1.0uF RSTB time Toff 1 - 30 us VREF Cload=1.0uF |
Ähnliche Teilenummer - BU21049GUL |
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Ähnliche Beschreibung - BU21049GUL |
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