CD74HC138 vs SN74LS138 Comparação
Comparação detalhada lado a lado de CD74HC138 por Texas Instruments e SN74LS138 por Texas Instruments. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
Comparação de especificações
| Parâmetro | CD74HC138 | SN74LS138 |
|---|---|---|
| Marca | Texas Instruments | Texas Instruments |
| Categoria | Logic ICs | Logic ICs |
| Status do ciclo de vida | Ativo | Ativo |
| Status do estoque | In Stock | In Stock |
| Preço unitário (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) |
| Tipo de saída | 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) |
| Corrente de repouso | [DATA_NEEDED: ICC quiescent current] | — |
| Input Logic Compatibility | CMOS (HC level) | — |
| Encapsulamento | 16-pin PDIP / SOIC (per ordering suffix) | 16-PDIP (N) |
| Tipo de montagem | Through-Hole (PDIP variant) / Surface Mount (SOIC variant) | Through Hole (PDIP variant) |
| Temperatura de operação | [DATA_NEEDED: operating temperature range per suffix] | 0C to +70C |
| Status RoHS | Compliant | [DATA_NEEDED: RoHS status] |
| Datasheet Document | SCHS147J (November 1998 - Revised November 2021) | — |
| Typical Use | Memory address decoding, data routing | — |
| Função | — | 3-line to 8-line Decoder/Demultiplexer |
| Tensão de alimentação | — | 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 |