UPD168111A 데이터 시트보기 (PDF) - NEC => Renesas Technology
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UPD168111A Datasheet PDF : 39 Pages
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µ PD168111A
The device is set in and released from the standby mode as follows.
(1) Setting device in standby mode
External CLK off → EN pin “L”
When the external CLK is turned off, the internal logic circuit is stopped. Because the output stage operates,
however, excitation continues. If the EN pin is made “L”, excitation is turned off and the device is set in the
standby mode.
EN pin “L” → external CLK off
When the EN pin goes “L”, excitation is turned off and the device enters the standby mode (300 µA MAX.).
When the external CLK is later turned off, the current consumption decreases to 30 µA MAX.
(2) Releasing device from standby mode
External CLK on → EN pin “H”
When the external CLK is input, the standby mode continues and the current consumption increases to 300
µA. When the EN pin goes “H”, excitation is enabled.
EN pin “H” → external CLK on
When the EN pin goes “H”, excitation is enabled. Because the external CLK is turned off, however, the pulse
is not output but excitation continues. When the external CLK is input later, the pulse can be output.
Data Sheet D16536EJ1V0DS
11
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