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1 SN54LS90 DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER 112K MOTOROLA 4667890
2 SN54LS90 DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS 451K TI 4667887
3 SN54LS90 DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS 966K TI 2139167
4 SN54LS90 DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS 997K TI 2139166
5 SN54LS90 DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS 450K TI 264945
6 SN54LS90J DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS 451K TI 4667878
7 SN54LS90J DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER 112K MOTOROLA 4667877
8 SN54LS90J DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER 82K ON 4667876
9 SN54LS90J DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS 966K TI 2139165
10 SN54LS90J DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS 450K TI 264946
11 SN54LS90W DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS 451K TI 4667867
12 SN54LS90W DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS 450K TI 264947