SNJ54HC193J ,Synchronous 4-Bit Up/Down Binary Counters With Dual Clock And Clear/sc/package.Please be aware that an important notice concerning availability, standard warranty, an ..
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SN54HC193J-SNJ54HC193J
High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counters
±4-mA Output Drive at 5 V
Low Input Current of 1 µA Max Asynchronous ClearADOWND
GND
VCC
CLR
LOAD
SN54HC193 ...J OR W PACKAGE
SN74HC193... D, N, NS, OR PW PACKAGE
(TOP VIEW)CLR
LOADA
DOWNBNCCA
GND
SN54HC193... FK PACKAGE
(TOP VIEW)NC − No internal connection
description/ordering informationThe ’HC193 devices are 4-bit synchronous, reversible, up/down binary counters.
Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change
coincidentally with each other when so instructed by the steering logic. This mode of operation eliminates the
output counting spikes normally associated with asynchronous (ripple-clock) counters.
ORDERING INFORMATION†Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
