Datasheet Texas Instruments SN74ALS990 — Ficha de datos
Fabricante | Texas Instruments |
Serie | SN74ALS990 |

Cierres de lectura octal transparentes tipo D
Hojas de datos
8-Bit D-Type Transparent Read-Back Latch datasheet
PDF, 828 Kb, Revisión: B, Archivo publicado: enero 1, 1995
Extracto del documento
Precios
Estado
SN74ALS990DW | SN74ALS990DWG4 | SN74ALS990DWR | SN74ALS990N | SN74ALS990NE4 | |
---|---|---|---|---|---|
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) |
Disponibilidad de muestra del fabricante | No | No | No | No | No |
Embalaje
SN74ALS990DW | SN74ALS990DWG4 | SN74ALS990DWR | SN74ALS990N | SN74ALS990NE4 | |
---|---|---|---|---|---|
N | 1 | 2 | 3 | 4 | 5 |
Pin | 20 | 20 | 20 | 20 | 20 |
Package Type | DW | DW | DW | N | N |
Industry STD Term | SOIC | SOIC | SOIC | PDIP | PDIP |
JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDIP-T | R-PDIP-T |
Package QTY | 25 | 25 | 2000 | 20 | 20 |
Carrier | TUBE | TUBE | LARGE T&R | TUBE | TUBE |
Device Marking | ALS990 | ALS990 | ALS990 | SN74ALS990N | SN74ALS990N |
Width (mm) | 7.5 | 7.5 | 7.5 | 6.35 | 6.35 |
Length (mm) | 12.8 | 12.8 | 12.8 | 24.33 | 24.33 |
Thickness (mm) | 2.35 | 2.35 | 2.35 | 4.57 | 4.57 |
Pitch (mm) | 1.27 | 1.27 | 1.27 | 2.54 | 2.54 |
Max Height (mm) | 2.65 | 2.65 | 2.65 | 5.08 | 5.08 |
Mechanical Data | Descargar | Descargar | Descargar | Descargar | Descargar |
Paramétricos
Parameters / Models | SN74ALS990DW![]() | SN74ALS990DWG4![]() | SN74ALS990DWR![]() | SN74ALS990N![]() | SN74ALS990NE4![]() |
---|---|---|---|---|---|
3-State Output | No | No | No | No | No |
Bits | 8 | 8 | 8 | 8 | 8 |
F @ Nom Voltage(Max), Mhz | 75 | 75 | 75 | 75 | 75 |
ICC @ Nom Voltage(Max), mA | 70 | 70 | 70 | 70 | 70 |
Operating Temperature Range, C | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 |
Output Drive (IOL/IOH)(Max), mA | 24/--2.6 | 24/--2.6 | 24/--2.6 | 24/--2.6 | 24/--2.6 |
Package Group | SOIC | SOIC | SOIC | PDIP | PDIP |
Package Size: mm2:W x L, PKG | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | See datasheet (PDIP) | See datasheet (PDIP) |
Rating | Catalog | Catalog | Catalog | Catalog | Catalog |
Schmitt Trigger | No | No | No | No | No |
Technology Family | ALS | ALS | ALS | ALS | ALS |
VCC(Max), V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
VCC(Min), V | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
Voltage(Nom), V | 5 | 5 | 5 | 5 | 5 |
tpd @ Nom Voltage(Max), ns | 24 | 24 | 24 | 24 | 24 |
Plan ecológico
SN74ALS990DW | SN74ALS990DWG4 | SN74ALS990DWR | SN74ALS990N | SN74ALS990NE4 | |
---|---|---|---|---|---|
RoHS | Obediente | Obediente | Obediente | Obediente | Obediente |
Pb gratis | Sí | Sí |
Notas de aplicación
- Advanced Schottky (ALS and AS) Logic FamiliesPDF, 1.9 Mb, Archivo publicado: agosto 1, 1995
This document introduces the advanced Schottky family of clamped TTL integrated circuits (ICs). Detailed electrical characteristics of the 'AS and 'ALS devices with table formats are provided. Guidelines for designing high-performance digital systems using the Advanced Schottky family are given along with a brief summary of the solutions to most design decisions needed to implement systems using t
Linea modelo
Serie: SN74ALS990 (5)
Clasificación del fabricante
- Semiconductors> Logic> Flip-Flop/Latch/Register> D-Type Latch