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MC14518B - DUAL UP COUNTERS

Download the MC14518B datasheet PDF. This datasheet also covers the MC14520B variant, as both devices belong to the same dual up counters family and are provided as variant models within a single manufacturer datasheet.

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Note: The manufacturer provides a single datasheet file (MC14520B_Motorola.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MOTOROLA SEMICONDUCTOR TECHNICAL DATA Dual Up Counters The MC14518B dual BCD counter and the MC14520B dual binary counter 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.