- DM74LS257BM
- Fairchild Semiconductor
- Multiplexer 1-Element Bipolar 3-ST 8-IN 16-Pin SOIC Rail
- DM74LS257BMX
- Fairchild Semiconductor
- 3-STATE Quad 2-Data Selector/Multiplexer
- DM74LS257BM
- N/a
- Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.
- DM74LS257BM
- National Semiconductor
- TRI-STATE Quad 2-Data Selectors/Multiplexers