Features: • Multiplexed 3-State I/O Ports For Bus-oriented Applications• Built-In Cascading Carry Capability• Count Frequency 115 MHz Typ• Supply Current 100 mA Typ• Fully Synchronous Operation• U/D Pin to Control Direction of Counting• Separate Pins for M...
MC74F579: Features: • Multiplexed 3-State I/O Ports For Bus-oriented Applications• Built-In Cascading Carry Capability• Count Frequency 115 MHz Typ• Supply Current 100 mA Typ• Fu...
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Features: Operating range: 38 to 47 Gb/s (min.) (note)Signal regeneration with full-rate clock sig...
The MC74F579 is a fully synchronous 8-stage up/down counter with multiplexed 3-state I/O ports for bus-oriented applications. MC74F579 features a preset capability for programmable operation, carry look-ahead for easy cascading and a U/D input to control the direction of counting. All state of MC74F579 changes, except for the case of asynchronous reset, are initiated by the rising edge of the clock. TC output is not recommended for use as a clock or asynchronous reset due to the possibility of decoding spikes.