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1 SN54LS190 PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS 317K MOTOROLA 4147569
2 SN54LS190 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 524K TI 4147568
3 SN54LS190FK SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 524K TI 4147567
4 SN54LS190J SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 524K TI 4147566
5 SN54LS190J PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS 317K MOTOROLA 4147565