XD74LS139 – Dual 2-to-4 Line Decoder/Demultiplexer – Xinluda
The XD74LS139 from Xinluda is a dual 2-line to 4-line decoder/demultiplexer built on Schottky-clamped TTL technology, supplied in a DIP-16 package for memory-decoding and data-routing designs.
The XD74LS139 is a dual 2-line to 4-line decoder/demultiplexer manufactured by Xinluda Information Technology Co., Ltd. It integrates two fully independent decoder sections in a single package, each accepting a 2-bit binary input and an active-low enable to produce four mutually exclusive active-low outputs. Built on Schottky-clamped TTL (LS) technology, the device targets high-performance memory-decoding and data-routing applications where short propagation delays are required.
Key Features
- Dual (two) fully independent 2-to-4 line decoder/demultiplexer circuits in one package
- Schottky-clamped TTL-MSI technology for high performance
- Active-low enable input that can serve as a data line in demultiplexing applications
- Fully buffered inputs, each presenting a single normalized load to its driver
- High-performance Schottky diode input clamps to suppress line ringing and simplify system design
- Recommended supply voltage range of 4.75 V to 5.25 V (5 V nominal)
- Operating temperature range of 0 °C to +70 °C
- Supplied in a 16-pin DIP-16 package
Applications
- High-performance memory address decoding
- Data routing and demultiplexing in digital systems
- Chip-select and bank-select generation
- General-purpose TTL logic and glue logic
- Industrial control and instrumentation boards
Why Source XD74LS139 from Pacific Component Xchange
The XD74LS139 is a specialty logic IC with little to no authorized-distributor stock, which can make it difficult to procure through conventional channels. Pacific Component Xchange specializes in hard-to-find and obsolete power-management ICs, logic, and optocouplers, giving engineers and buyers a reliable path to components that are otherwise unavailable. Every order is backed by our authenticity and quality-assurance processes to help protect your build against counterfeit and substandard parts. We support global shipping and flexible quantities for both prototype and production needs.
Because this is a Request-for-Quote item, pricing and lead time are confirmed per order. Contact Pacific Component Xchange today to request a quote on the XD74LS139 and let our sourcing team locate verified inventory for your project.
Additional Information
| Manufacturer | Xinluda Information Technology Co., Ltd. |
|---|---|
| Component Type | Dual 2-to-4 Line Decoder/Demultiplexer |
| Logic Family | 74LS (Schottky-clamped TTL-MSI) |
| Number of Decoders | 2 (dual, independent) |
| Configuration | 2-line to 4-line per decoder |
| Output Type | Active-low outputs; active-low enable input |
| Supply Voltage | 4.75 V to 5.25 V (5 V nominal) |
| Output Current | IOH 400 µA / IOL 8 mA |
| Propagation Delay | 22 ns (5 V, 15 pF) |
| Operating Temperature | 0 °C to +70 °C |
| Package | DIP-16 (16-pin) |
| Part Status | Active |
| Availability | Available |



