DM74LS27 datasheets – compare manufacturers

Manufacturer Part Number Description
National Semiconductor Logo National Semiconductor DM74LS273 8-BIT REGISTER
National Semiconductor Logo National Semiconductor DM74LS279 Quad S-R Latches
Fairchild Semiconductor Logo Fairchild DM74LS273 8-Bit Register
Fairchild Semiconductor Logo Fairchild DM74LS279 Quad S-R Latch
Fairchild Semiconductor Logo Fairchild DM74LS27 Triple 3-Input NOR Gate