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DM54LS257B |
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| Part Number | DM54LS257B |
| Manufacturer | National Semiconductor |
| Description | These Schottky-clamped high-performance multiplexers feature TRI-STATE outputs that can interface directly with data lines of bus-organized systems With all but one of the common outputs disabled (at ... |
| Features |
Y TRI-STATE versions LS157 and LS158 with same pinouts
Y Schottky-clamped for significant improvement in A-C performance
Y Provides bus interface from multiple sources in highperformance systems
Y Average propagation delay from data input 12 ns
Y Typical power dissipation LS257B 50 mW LS258B 35 mW
Y Alternate military aerospace devices (54LS257A 54LS258A) are available Contact a National Semiconductor Sales Office Distributor for specifications
Connection Diagrams
Dual-In-Line Package
Dual-In-Line Package
TL F 6417 – 1 Order Number 54LS257ADMQB 54LS257AFMQB 54LS257ALMQB DM54LS257BJ DM54LS25... |
| Document |
 DM54LS257B Data Sheet
PDF 163.71KB |
| Distributor | Stock | Price | Buy |
|---|
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | DM54LS251 |
National Semiconductor |
TRI-STATE Data Selectors/Multiplexers |
|
| 2 | DM54LS258B |
National Semiconductor |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
|
| 3 | DM54LS259 |
National Semiconductor |
8-Bit Addressable Latches |
|
| 4 | DM54LS20 |
National Semiconductor |
Dual 4-Input NAND Gates |
|
| 5 | DM54LS21 |
National Semiconductor |
Dual 4-Input AND Gates |
|