Datasheet Texas Instruments SNJ54LS257BFK — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | SN54LS257B |
| Numero de parte | SNJ54LS257BFK |
Selectores / multiplexores de datos cuádruples de 2 líneas a 1 línea 20-LCCC -55 a 125
Hojas de datos
Quadruple 2-Line To 1-Line Data Selectors/Multiplexers datasheet
PDF, 989 Kb, Archivo publicado: marzo 1, 1988
Extracto del documento
Precios
Estado
| Estado del ciclo de vida | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | No |
Embalaje
| Pin | 20 | 20 |
| Package Type | FK | FK |
| Industry STD Term | LCCC | LCCC |
| JEDEC Code | S-CQCC-N | S-CQCC-N |
| Package QTY | 1 | 1 |
| Carrier | TUBE | TUBE |
| Device Marking | SNJ54LS | 257BFK |
| Width (mm) | 8.89 | 8.89 |
| Length (mm) | 8.89 | 8.89 |
| Thickness (mm) | 1.83 | 1.83 |
| Pitch (mm) | 1.27 | 1.27 |
| Max Height (mm) | 2.03 | 2.03 |
| Mechanical Data | Descargar | Descargar |
Paramétricos
| Number of Channels | 4 |
| F @ Nom Voltage(Max) | 35 Mhz |
| ICC @ Nom Voltage(Max) | 19 mA |
| Operating Temperature Range | -55 to 125 C |
| Package Group | LCCC |
| Package Size: mm2:W x L | 20LCCC: 79 mm2: 8.89 x 8.89(LCCC) PKG |
| Rating | Military |
| Schmitt Trigger | No |
| Technology Family | LS |
| VCC(Max) | 5.5 V |
| VCC(Min) | 4.5 V |
| Voltage(Nom) | 5 V |
| tpd @ Nom Voltage(Max) | 21 ns |
Plan ecológico
| RoHS | See ti.com |
Notas de aplicación
- Designing with the SN54/74LS123 (Rev. A)PDF, 118 Kb, Revisión: A, Archivo publicado: marzo 1, 1997
The Texas Instruments (TI) SN54/74LS123 dual retriggerable monostable multivibrator is a one-shot device capable of verylong output pulses and up to 100% duty cycle. The ?LS123 also features dc triggering from gated low-level active A andhigh-level active B inputs and provides a clear input that terminates the output pulse of any predetermined time independentof timing components R ext and
Linea modelo
Serie: SN54LS257B (12)
Clasificación del fabricante
- Semiconductors > Space & High Reliability > Logic Products > Specialty Logic Products > Decoders/Encoders/Multiplexers