Datasheet Texas Instruments SN74F257 — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | SN74F257 |

Selectores / multiplexores de datos cuádruples de 2 líneas a 1 línea con salidas de 3 estados
Hojas de datos
Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs datasheet
PDF, 83 Kb, Revisión: A, Archivo publicado: oct 1, 1993
Extracto del documento
Estado
| SN74F257D | SN74F257DG4 | SN74F257DR | SN74F257DRG4 | SN74F257N | SN74F257NE4 | SN74F257NSR | |
|---|---|---|---|---|---|---|---|
| Estado del ciclo de vida | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | No | No | No | No | No | No | No |
Embalaje
| SN74F257D | SN74F257DG4 | SN74F257DR | SN74F257DRG4 | SN74F257N | SN74F257NE4 | SN74F257NSR | |
|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Pin | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Package Type | D | D | D | D | N | N | NS |
| Industry STD Term | SOIC | SOIC | SOIC | SOIC | PDIP | PDIP | SOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDIP-T | R-PDIP-T | R-PDSO-G |
| Package QTY | 40 | 40 | 2500 | 2500 | 25 | 25 | 2000 |
| Carrier | TUBE | TUBE | LARGE T&R | LARGE T&R | TUBE | TUBE | LARGE T&R |
| Device Marking | F257 | F257 | F257 | F257 | SN74F257N | SN74F257N | 74F257 |
| Width (mm) | 3.91 | 3.91 | 3.91 | 3.91 | 6.35 | 6.35 | 5.3 |
| Length (mm) | 9.9 | 9.9 | 9.9 | 9.9 | 19.3 | 19.3 | 10.3 |
| Thickness (mm) | 1.58 | 1.58 | 1.58 | 1.58 | 3.9 | 3.9 | 1.95 |
| Pitch (mm) | 1.27 | 1.27 | 1.27 | 1.27 | 2.54 | 2.54 | 1.27 |
| Max Height (mm) | 1.75 | 1.75 | 1.75 | 1.75 | 5.08 | 5.08 | 2 |
| Mechanical Data | Descargar | Descargar | Descargar | Descargar | Descargar | Descargar | Descargar |
Paramétricos
| Parameters / Models | SN74F257D![]() | SN74F257DG4![]() | SN74F257DR![]() | SN74F257DRG4![]() | SN74F257N![]() | SN74F257NE4![]() | SN74F257NSR![]() |
|---|---|---|---|---|---|---|---|
| Bandwidth, MHz | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
| Bits | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Number of Channels | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Configuration | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 |
| Digital input leakage(Max), uA | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| ESD Charged Device Model, kV | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 |
| ESD HBM, kV | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| F @ Nom Voltage(Max), Mhz | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
| Function | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer |
| ICC @ Nom Voltage(Max), mA | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Operating Temperature Range, C | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 |
| Output Drive (IOL/IOH)(Max), mA | 24/-3 | 24/-3 | 24/-3 | 24/-3 | 24/-3 | 24/-3 | 24/-3 |
| Package Group | SOIC | SOIC | SOIC | SOIC | PDIP | PDIP | SO |
| Package Size: mm2:W x L, PKG | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | See datasheet (PDIP) | See datasheet (PDIP) | 16SO: 80 mm2: 7.8 x 10.2(SO) |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Schmitt Trigger | No | No | No | No | No | No | No |
| Technology Family | F | F | F | F | F | F | F |
| Type | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output |
| VCC(Max), V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| VCC(Min), V | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Voltage(Nom), V | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| tpd @ Nom Voltage(Max), ns | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Plan ecológico
| SN74F257D | SN74F257DG4 | SN74F257DR | SN74F257DRG4 | SN74F257N | SN74F257NE4 | SN74F257NSR | |
|---|---|---|---|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente |
| Pb gratis | Sí | Sí |
Linea modelo
Serie: SN74F257 (7)
Clasificación del fabricante
- Semiconductors> Switches and Multiplexers> Buffered Encoders and Decoders