74LS27   数据手册 ( 数据表 )

Hitachi -> Renesas Electronics

Triple 3-input Positive NOR Gates

Unspecified

TRIPLE 3-INPUT NOR GATE

ON Semiconductor

Octal D Flip-Flop with Clear

Hitachi -> Renesas Electronics

Quadruple S-R Latches

Fairchild Semiconductor

Quad S-RLatch

Fairchild Semiconductor

8-Bit Register with Clear

Motorola => Freescale

74LS279 / QUAD SET-RESET LATCH

Unspecified

OCTAL POSITIVE EDGE-TRIGGERED D-TYPE FLIP FLOP WITH RESET

Unspecified

OCTAL POSITIVE EDGE-TRIGGERED D-TYPE FLIP FLOP WITH RESET