PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABL.
75191 - PRESETTABLE BCD/DECADE UP/DOWN COUNTERS
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS The SN54 / 74LS190 is a synchronous UP/ DOWN BCD Decade (8421) Count.