Descrição
CIRCUITO INTEGRADO SN74LS40
DUAL 4-INPUT POSITIVE-NAND BUFFERS
TABELA DE LETRA
SN74XX STANDART
SN74LSXX LOW POWER SCHOTTKY
SN74LXX LOW POWER
SN74ACXX
SN74ACTXX
SN74SXX SCHOTTKY
SN74ALSXX ADVANCED LOW POWER SCHOTTKY
SN74ASXX ADVANCED SCHOTTKY
SN74HCXX
SN74HCTXX
SN74FXX