SN74LS393D
Manufacturers：
Texas Instruments
Description：
IC DUAL 4-BIT BIN CNTR 14-SOIC
SN74LS393DG4
Manufacturers：
Texas Instruments
Description：
IC COUNTER BINARY 8BIT 14SOIC
SN74LS393DR
Manufacturers：
Texas Instruments
Description：
IC COUNTER BIN DUAL 4BIT 14SOIC