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SN54390, SN54LS390, SN54393, SN54LS393, SN74390, SN74LS390, SN74393, SN74LS393 DUAL 4-BIT DECADE AND BINARY COUNTERS
OCTOBER 1 9 7 6 REVISED M AR C H 1 9 6 8
Dual Versions of the Popular '90A, 'LS