- DM7438M
- Fairchild Semiconductor
- Quad 2-Input NAND Buffers with Open-Collector Outputs
- DM7438MX
- Fairchild Semiconductor
- Quad 2-Input NAND Buffer with Open-Collector Outputs
- DM7438M
- National Semiconductor
- Quad 2-lnput NAND Buffers with Open-Collector Outputs