The MC14029B Binary/Decade up/down counter is constructed with MOS P–channel and N–channel enhancement mode devices in a single monolithic structure. The counter consists of type D flip–flop stages with a gating structure to provide toggle flip–flop capability. The counter can be used in either Binary or BCD operation. This complementary MOS counter finds primary use in up/down and difference counting and frequency synthesizer applications where low power dissipation and/or high noise immunity is desired. It is also useful in A/D and D/A conversion and for magnitude and sign generation. • Diode Protection on All Inputs • Supply Voltage Range = 3.0 Vdc to 18 Vdc • Internally Synchronous for High Speed • Logic Edge–Clocked Design — Count Occurs on Positive Going Edge of Clock • Asynchronous Preset Enable Operation • Capable of Driving Two Low–power TTL Loads or One Low–power Schottky TTL Load Over the Rated Temperature Range • Pin for Pin Replacement for CD4029B
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