DM5438 DM7438 Quad 2-Input NAND Buffers with Open-.
National Semiconductor
DM5438 - Quad 2-Input NAND Buffers
DM5438 DM7438 Quad 2-Input NAND Buffers with Open-Collector Outputs June 1989 DM5438 DM7438 Quad 2-Input NAND Buffers with Open-Collector Outputs G.