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データシートサーチシステム |
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データシートサーチシステム |
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ISD1700A データシート(PDF) 10 Page - Winbond |
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ISD1700A データシート(HTML) 10 Page - Winbond |
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10 / 31 page  ISD1700A SERIES - 10 - PIN NAME PDIP PIN NO. FUNCTIONS REC 24 Record: The device starts recording whenever REC switches from High to Low and stays at Low. Recording stops when the signal returns to High. This pin has an internal pull-up device [1] and an internal debounce (TDeb) [2] for start and end, allowing the use of a push button switch. ERASE 25 Erase: When active, it starts an erase operation. Erase operation will take place only when the playback pointer is positioned at either the first or last message. Pulsing this pin to Low enables erase operation and deletes the current message. Holding this pin Low for more than 3 sec. initiates a global erase operation, and will delete all the messages. This pin has an internal pull-up device [1] and an internal debounce (T Deb) [2] for start and end, allowing the use of a push button switch. FWD 26 Forward: When triggered, it advances to the next message from the current location, when the device is in power down status. During playback cycle, pulsing this pin Low stops the current playback operation and advances to the next message, and then re-starts the playback operation of the new message. This pin has an internal pull-up device [1] and an internal debounce (TDeb) [2] for start and end, allowing the use of a push button switch. RDY 27 Ready: An open drain output. This pin stays Low during record, play, erase and forward operations and stays High in power down state. VSSD 28 Digital Ground: It is important to have a separate path for each ground signal including VSSA, VSSD, VSSP1 and VSSP2 to minimize the noise coupling.. Note: [1] 600 kΩ [2] TDeb = Refer to AC Timing |
同様の部品番号 - ISD1700A |
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同様の説明 - ISD1700A |
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