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HD74HC4518

Part Number	HD74HC4518
Manufacturer	Hitachi Semiconductor
Description	Dual BCD Use Converters/Dual Binary Up Converters
Published	Mar 23, 2005
Detailed Description	HD74HC4518/HD74HC4520 Dual BCD Use Converters/Dual Binary Up Converters Description The HD74HC4518 dual BCD counter and...
Datasheet	HD74HC4518 PDF File

Overview

HD74HC4518/HD74HC4520 Dual BCD Use Converters/Dual Binary Up Converters Description The HD74HC4518 dual BCD counter and the HD74HC4520 dual binary counter consist 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 HD74HC4518 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 coun...

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