SM54HC191 Search Results

Contextual Info: SN54HC190, SM54HC191, SN74HC190, SN74HC191 SYNCHRONOUS 4 BIT UP/DOWN DECADE AND BINARY COUNTERS D 2 6 8 4 , DECEMBER 1 9 8 2 - Single Down/Up Count Control Line • Look-Ahead Circuitry Enhances Speed of Cascaded Counters • Fully Synchronous in Count Modes