ECG728

ECG728: TTL Synchronous Up/Down 4-Bit Binary Counter housing an integrated 4-stage register row equipped with synchronous counting direction controls, an asynchronous preset block, and a cascading ripple count output. It functions by incrementing or decrementing its internal binary flip-flop states sequentially on each rising clock edge, heavily integrated into custom digital clock towers and frequency synthesizer loops. (Industry Exact Equals: Philips ECG728, NTE728, Texas Instruments SN74191N, National Semiconductor DM74191N, Signetics 74191, Motorola MC74191P).