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DM74LS257B |
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| Part Number | DM74LS257B |
| Manufacturer | Fairchild Semiconductor |
| Description | These Schottky-clamped high-performance multiplexers feature 3-STATE outputs that can interface directly with data lines of bus-organized systems. With all but one of the common outputs disabled (at a... |
| Features |
s 3-STATE versions LS157 and LS158 with same pinouts s Schottky-clamped for significant improvement in A-C performance s Provides bus interface from multiple sources in high-performance systems s Average propagation delay from data input 12 ns s Typical power dissipation: 50 mW
Ordering Code:
Order Number DM74LS257BM DM74LS257BN Package Number M16A N16E Package Description 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix let... |
| Document |
 DM74LS257B Data Sheet
PDF 56.56KB |
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | DM74LS257 |
National Semiconductor |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
|
| 2 | DM74LS257B |
National Semiconductor |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
|
| 3 | DM74LS251 |
National Semiconductor |
TRI-STATE Data Selectors/Multiplexers |
|
| 4 | DM74LS251 |
Fairchild Semiconductor |
3-STATE 1-of-8 Line Data Selector/Multiplexer |
|
| 5 | DM74LS253 |
National Semiconductor |
TRI-STATE Data Selectors/Multiplexers |
|
| 6 | DM74LS253 |
Fairchild Semiconductor |
3-STATE Data Selector/Multiplexer |
|
Desde 2024. D4U Semiconductor.
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