SN74LS138 vs CD74HC138 Pengandingan
Pengandingan Sisi Kiri Sisi Kanan Terperinci SN74LS138 disebabkan oleh Texas Instruments dan CD74HC138 disebabkan oleh Texas Instruments. Bandingkan spesifikasi utama, parameter elektrik, pakej, status kehidupan, harga, dan keupayaan untuk menentukan komponen terbaik untuk keperluan disenjaya anda.
Pengandingan Spesifikasi
| Parametr | SN74LS138 | CD74HC138 |
|---|---|---|
| Merek | Texas Instruments | Texas Instruments |
| Kategori | Logic ICs | Logic ICs |
| Status Lingkungan Hidup | Aktif | Aktif |
| Fungsi | 3-line to 8-line Decoder/Demultiplexer | — |
| Logic Family | 74LS (Schottky-clamped TTL) | HC (High Speed CMOS) |
| Tegangan Pemberi Arus | 5 V (TTL levels) | — |
| Propagation Delay | 20 ns (typical) | [DATA_NEEDED: propagation delay at rated supply/load] |
| Outputs | 8 active-low (Y0-Y7) | 8 active-low (Y0-Y7) |
| Select Inputs | 3 (A, B, C) | 3 (A0, A1, A2) |
| Enable Inputs | 3 (G1 active-high, G2A/G2B active-low) | 3 (two active-low, one active-high) |
| Output Sink Current | 8 mA | — |
| Power Dissipation | 32 mW (typical) | — |
| Suhu Operasi | 0C to +70C | [DATA_NEEDED: operating temperature range per suffix] |
| Kemasan | 16-PDIP (N) | 16-pin PDIP / SOIC (per ordering suffix) |
| Other Packages | SOIC (D), SOP (NS) | — |
| Jenis Pemasangan | Through Hole (PDIP variant) | Through-Hole (PDIP variant) / Surface Mount (SOIC variant) |
| Technology | Bipolar TTL MSI | High-speed silicon-gate CMOS |
| Status RoHS | [DATA_NEEDED: RoHS status] | Compliant |
| Applications | High-performance memory decoding, data routing | — |
| Logic Function | — | 3-to-8 Line Decoder/Demultiplexer, inverting outputs |
| Supply Voltage Range | — | 2 V to 6 V |
| Jenis Output | — | Inverting (active-low) |
| Arus Dalam Tentera | — | [DATA_NEEDED: ICC quiescent current] |
| Input Logic Compatibility | — | CMOS (HC level) |
| Datasheet Document | — | SCHS147J (November 1998 - Revised November 2021) |
| Typical Use | — | Memory address decoding, data routing |