DM74LS22 datasheets – compare manufacturers

Manufacturer Part Number Description
National Semiconductor Logo National Semiconductor DM74LS22 Dual 4-Input NAND Gates
National Semiconductor Logo National Semiconductor DM74LS221 Dual Non-Retriggerable One-Shot
Fairchild Semiconductor Logo Fairchild DM74LS221 Dual Non-Retriggerable One-Shot