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    首頁產(chǎn)品索引MC14520B

    MC14520B

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    ?Dual BCD Up Counter

    制造商：ON

    中文數(shù)據(jù)手冊

    產(chǎn)品信息

    The MC14518B dual BCD counter and the MC14520B dual binarycounter are constructed with MOS P-channel and N-channel enhancement mode devices in a single monolithic structure. Each consists of two identical, independent, internally synchronous 4-stage counters. The counter stages are type D flip-flops, with interchangeable Clock and Enable lines for incrementing on either the positive-going or negative-going transition as required when cascading multiple stages. Each counter can be cleared by applying a high level on the Reset line. In addition, the MC14518B will count out of all undefined states within two clock periods. These complementary MOS up counters find primary use in multi-stage synchronous or ripple counting applications requiring low power dissipation and/or high noise immunity.
    • Diode Protection on All Inputs
    • Supply Voltage Range = 3.0 Vdc to 18 Vdc
    • Internally Synchronous for High Internal and External Speeds
    • Logic Edge-Clocked DesignIncremented on Positive Transition of Clock or Negative Transition on Enable
    • Capable of Driving Two Low-power TTL Loads or One Low-power Schottky TTL Load Over the Rated Temperature Range

    電路圖、引腳圖和封裝圖

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    型號制造商描述購買
    MC14520BDWR2GONMC14518B 雙路 BCD 計數(shù)器和 MC14520B 雙路二進制計數(shù)器采用一個單片結(jié)構(gòu)，使用 MOS P 溝道和 N 溝道增強型器件進行構(gòu)造。每個器件都由兩個相同、獨立、內(nèi)部同步的 4 級計數(shù)器組成。計數(shù)器級是 D 型觸發(fā)器，具有可互換的時鐘和啟用線路，用于在級聯(lián)多個級時根據(jù)需要在正向或負向轉(zhuǎn)換上遞增。每個計數(shù)器都可以通過在重置線路上應(yīng)用高電平來清除。此外，MC14518B 將在兩個時鐘周期內(nèi)計算出所有未定義的狀態(tài)。這些互補 MOS 正數(shù)計數(shù)器主要用于需要低功耗和/或高抗擾性的多級同步或紋波計數(shù)應(yīng)用。 立即購買
    MC14520BDWGONIC COUNTER DUAL BINARY 16-SOIC 立即購買

    技術(shù)資料

    標題類型大?。↘B）下載
    Dual Up CountersPDF101 點擊下載
    IBIS Model for MC14520BCPUNKNOW5 點擊下載
    SO-16 WBPDF55 點擊下載
    MC14518B_PKG.GIFUNKNOW14 點擊下載

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