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M74HCT138RM13TR from ST,ST Microelectronics

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M74HCT138RM13TR

Manufacturer: ST

3 TO 8 LINE DECODER (INVERTING)

Partnumber Manufacturer Quantity Availability
M74HCT138RM13TR ST 12500 In Stock

Description and Introduction

3 TO 8 LINE DECODER (INVERTING) The **M74HCT138RM13TR** is a **3-to-8 line decoder/demultiplexer** manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Logic Family:** HCT (High-Speed CMOS with TTL compatibility)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Input Compatibility:** TTL levels  
- **Output Type:** Standard  
- **Number of Input Lines:** 3 (A0, A1, A2)  
- **Number of Output Lines:** 8 (Y0 to Y7)  
- **Propagation Delay:** ~20ns (typical at 5V)  
- **Package:** SO-16 (Surface Mount)  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
- Decodes 3 binary inputs into 8 mutually exclusive outputs (active LOW).  
- Can also function as a demultiplexer when an enable input is used as a data line.  
- Features three enable inputs (two active LOW and one active HIGH) for cascading.  

### **Features:**  
- **Low Power Consumption:** CMOS technology ensures low power dissipation.  
- **TTL-Compatible Inputs:** Ensures compatibility with TTL logic levels.  
- **High Noise Immunity:** Typical of CMOS devices.  
- **Wide Operating Voltage Range:** Supports standard 5V logic systems.  
- **Multiple Enable Inputs:** Allows easy expansion for larger decoders.  

This device is commonly used in address decoding, memory selection, and data routing applications.

Application Scenarios & Design Considerations

3 TO 8 LINE DECODER (INVERTING)

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