- DM74LS03M
- Fairchild Semiconductor
- Quad 2-Input NAND Gates with Open-Collector Outputs
- DM74LS03MX
- Fairchild Semiconductor
- Quad 2-Input NAND Gate with Open-Collector Outputs
- DM74LS03M
- National Semiconductor
- Quad 2-lnput NAND Gates with Open-Collector Outputs