3-Line To 8-Line Decoder/Demultiplexer The **SNJ54LVC138AFK** is a **3-to-8 line decoder/demultiplexer** manufactured by **Texas Instruments (TI)**. Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:
### **Specifications:**
- **Logic Type:** Decoder/Demultiplexer
- **Number of Input Lines:** 3 (A0, A1, A2)
- **Number of Output Lines:** 8 (Y0-Y7, active-low)
- **Supply Voltage Range (VCC):** **2 V to 5.5 V** (LVC family)
- **High Noise Immunity:** CMOS-compatible
- **Low Power Consumption:** Typical **ICC** of **10 µA** (static)
- **Operating Temperature Range:** **-55°C to +125°C** (Military-grade, SNJ54 series)
- **Package Type:** **FK (Flatpack, Ceramic)**
- **Output Drive Capability:** **±24 mA** at **3.3 V**
### **Descriptions:**
- Decodes **3 binary inputs (A0-A2)** into **8 mutually exclusive outputs (Y0-Y7)**.
- Features **three enable inputs (G1, G2A, G2B)** for cascading and control.
- **Active-low outputs** ensure compatibility with standard logic families.
- Designed for **high-speed operation** with **low propagation delay** (typically **3.7 ns** at **3.3 V**).
- **Military-grade (SNJ54)** version for harsh environments.
### **Features:**
- **Wide Operating Voltage:** Supports **2 V to 5.5 V** for mixed-voltage systems.
- **Low Power CMOS Technology:** Reduces power consumption.
- **High-Speed Performance:** Optimized for **fast signal switching**.
- **Schmitt-Trigger Inputs:** Improves noise immunity.
- **Latch-Up Performance Exceeds 250 mA** per **JESD 17**.
- **ESD Protection:** Exceeds **2000 V** (HBM) and **1000 V** (CDM).
This device is commonly used in **address decoding, memory selection, and data routing** in military and aerospace applications.
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