SN74HC393PWR Datasheet

Texas Instruments SN74HC393PWR


The SN74HC393PWR devices contain eight flip-flops and additional gating to implement two individual 4-bit counters in a single package. These devices comprise two independent 4-bit binary counters, each having a clear (CLR) and a clock (CLK) input. N-bit binary counters can be implemented with each package, providing the capability of divide by 256. The SN74HC393PWR devices have parallel outputs from each counter stage so that any submultiple of the input count frequency is available for system timing signals. SN74HC393PWR Features •Wide Operating Voltage Range of 2 V to 6 V•Outputs Can Drive Up To 10 LSTTL Loads•Low Power Consumption, 80-μA Max ICC•Typical tpd = 13 ns•±4-mA Output Drive at 5 V•Low Input Current of 1 μA Max•Dual 4-Bit Binary Counters With Individual Clocks•Direct Clear for Each 4-Bit Counter•Can Significantly Improve System Densities by Reducing Counter Package Count by 50 Percent


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