CD74HC138 vs SN74LS138 Karşılaştırma
Ayrıntılı yan yana karşılaştırma CD74HC138 tarafından Texas Instruments ve SN74LS138 tarafından Texas InstrumentsAnahtar özellikleri, elektriksel parametreleri, ambalajı, yaşam döngüsü durumu, fiyatlandırma ve mevcudiyeti karşılaştırarak tasarım gereksinimleriniz için en iyi bileşeni belirleyin.
Özellik Karşılaştırması
| Parametre | CD74HC138 | SN74LS138 |
|---|---|---|
| Marka | Texas Instruments | Texas Instruments |
| Kategori | Logic ICs | Logic ICs |
| Yaşam Döngüsü Durumu | Aktif | Aktif |
| 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) |
| Çıkış Türü | 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) |
| Durağan Akım | [DATA_NEEDED: ICC quiescent current] | — |
| Input Logic Compatibility | CMOS (HC level) | — |
| Paket | 16-pin PDIP / SOIC (per ordering suffix) | 16-PDIP (N) |
| Montaj Türü | Through-Hole (PDIP variant) / Surface Mount (SOIC variant) | Through Hole (PDIP variant) |
| İşletim Sıcaklığı | [DATA_NEEDED: operating temperature range per suffix] | 0C to +70C |
| RoHS Durumu | Compliant | [DATA_NEEDED: RoHS status] |
| Datasheet Document | SCHS147J (November 1998 - Revised November 2021) | — |
| Typical Use | Memory address decoding, data routing | — |
| Fonksiyon | — | 3-line to 8-line Decoder/Demultiplexer |
| Besleme Gerilimi | — | 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 |