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IDT54FCT138ATDB from IDT

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IDT54FCT138ATDB

Manufacturer: IDT

FAST CMOS 1-OF-8 DECODER WITH ENABLE

Partnumber Manufacturer Quantity Availability
IDT54FCT138ATDB IDT 120 In Stock

Description and Introduction

FAST CMOS 1-OF-8 DECODER WITH ENABLE The IDT54FCT138ATDB is a 3-to-8 line decoder/demultiplexer manufactured by IDT (Integrated Device Technology). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** IDT (Integrated Device Technology)  
- **Part Number:** IDT54FCT138ATDB  
- **Technology:** FCT (Fast CMOS TTL-compatible)  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **Operating Temperature Range:** -55°C to +125°C  
- **Package Type:** TSSOP (Thin Shrink Small Outline Package)  
- **Logic Family:** 54FCT  
- **Number of Inputs:** 3 (A0, A1, A2)  
- **Number of Outputs:** 8 (Y0-Y7, active-low)  
- **Propagation Delay:** Typically 4.5ns (max 7.5ns) at 5V  
- **Input/Output Compatibility:** TTL-level compatible  

### **Description:**
The IDT54FCT138ATDB is a high-speed CMOS 3-to-8 decoder/demultiplexer designed for digital logic applications. It accepts three binary-coded inputs and decodes them into one of eight mutually exclusive active-low outputs. It features three enable inputs (two active-low and one active-high) for flexible control.

### **Features:**
- **High-Speed Operation:** Optimized for fast signal propagation.  
- **Low Power Consumption:** CMOS technology ensures low power dissipation.  
- **TTL-Compatible Inputs/Outputs:** Works seamlessly with TTL logic levels.  
- **Multiple Enable Inputs:** Includes G1 (active-high), G2A, and G2B (active-low) for cascading and control.  
- **Wide Operating Voltage Range:** Supports 4.5V to 5.5V operation.  
- **Military Temperature Range (-55°C to +125°C):** Suitable for harsh environments.  
- **Schmitt Trigger Inputs:** Improves noise immunity.  
- **Latch-Up Performance Exceeds 500mA:** Robust against latch-up conditions.  

This device is commonly used in memory addressing, data routing, and signal demultiplexing applications.

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