CD74HC138 vs SN74LS138 Comparaison
Comparaison détaillée côte à côte de CD74HC138 par Texas Instruments et SN74LS138 par Texas Instruments. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Comparaison des spécifications
| Paramètre | CD74HC138 | SN74LS138 |
|---|---|---|
| Marque | Texas Instruments | Texas Instruments |
| Catégorie | Logic ICs | Logic ICs |
| Statut du cycle de vie | Actif | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $0,18 | $0,28 |
| Logic Function | 3-to-8 Line Decoder/Demultiplexer, inverting outputs | — |
| Logic Family | HC (High Speed CMOS) | 74LS (Schottky-clamped TTL) |
| Supply Voltage Range | 2 V to 6 V | — |
| Select Inputs | 3 (A0, A1, A2) | 3 (A, B, C) |
| Outputs | 8 active-low (Y0-Y7) | 8 active-low (Y0-Y7) |
| Enable Inputs | 3 (two active-low, one active-high) | 3 (G1 active-high, G2A/G2B active-low) |
| Type de sortie | Inverting (active-low) | — |
| Technology | High-speed silicon-gate CMOS | Bipolar TTL MSI |
| Propagation Delay | [DATA_NEEDED: propagation delay at rated supply/load] | 20 ns (typical) |
| Courant de repos | [DATA_NEEDED: ICC quiescent current] | — |
| Input Logic Compatibility | CMOS (HC level) | — |
| Boîtier | 16-pin PDIP / SOIC (per ordering suffix) | 16-PDIP (N) |
| Type de montage | Through-Hole (PDIP variant) / Surface Mount (SOIC variant) | Through Hole (PDIP variant) |
| Température de fonctionnement | [DATA_NEEDED: operating temperature range per suffix] | 0C to +70C |
| Statut RoHS | Compliant | [DATA_NEEDED: RoHS status] |
| Datasheet Document | SCHS147J (November 1998 - Revised November 2021) | — |
| Typical Use | Memory address decoding, data routing | — |
| Fonction | — | 3-line to 8-line Decoder/Demultiplexer |
| Tension d'alimentation | — | 5 V (TTL levels) |
| Output Sink Current | — | 8 mA |
| Power Dissipation | — | 32 mW (typical) |
| Other Packages | — | SOIC (D), SOP (NS) |
| Applications | — | High-performance memory decoding, data routing |