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TEXAS INSTR (LOGIC)
2 SE 0
â
f c 72'3 0 Qflb77 b b
llbl
SN54HC390, SN54HC393, SN74HC390, SN74HC393
DUAL 4-BIT DECADE AND BINARY COUNTERS
D2684, DECEMBER 1982-REVISED JUNE 1989
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