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M74HC155RM13TR from ST,ST Microelectronics

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M74HC155RM13TR

Manufacturer: ST, STM

DUAL 2 TO 4 LINE DECODER 3 TO 8 LINE DECODER

Partnumber Manufacturer Quantity Availability
M74HC155RM13TR ST, STM 5000 In Stock

Description and Introduction

DUAL 2 TO 4 LINE DECODER 3 TO 8 LINE DECODER The **M74HC155RM13TR** is a high-speed CMOS dual 2-to-4 line decoder/demultiplexer manufactured by **STMicroelectronics (STM)**.  

### **Key Specifications:**  
- **Logic Family:** HC (High-Speed CMOS)  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-16 (Surface Mount)  
- **Propagation Delay:** 14 ns (typical at 5V)  
- **Input Current:** ±1 µA (max)  
- **Output Current:** ±5.2 mA (max)  

### **Description:**  
The M74HC155RM13TR is a dual decoder/demultiplexer with two independent 2-to-4 line decoders. It accepts two binary-weighted inputs (A0, A1) and provides four mutually exclusive active-low outputs (Y0 to Y3) per decoder. It features enable inputs (E) for cascading and demultiplexing applications.  

### **Features:**  
- Dual 2-to-4 line decoding/demultiplexing  
- Active-low outputs  
- Low power consumption  
- High noise immunity  
- Balanced propagation delays  
- Compliant with JEDEC standard  

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

(Source: STMicroelectronics datasheet)

Application Scenarios & Design Considerations

DUAL 2 TO 4 LINE DECODER 3 TO 8 LINE DECODER

Alternative Part Number

  • CD74HC155M --: Same 74HC155 dual 2-to-4 line decoder/demultiplexer function in SOIC package, direct functional equivalent from a major logic vendor.
  • 74HC155D --: Standard 74HC155 decoder/demultiplexer in SOIC-16, pin-compatible and electrically equivalent to the ST device.
  • MC74HC155ADG --: HC155 dual decoder/demultiplexer in SOIC-16 with matching logic function and supply range, suitable drop-in alternative.
  • MC74HC155AD --: 74HC155 dual decoder/demultiplexer with identical pinout and logic function, suitable drop-in replacement in SOIC.
  • SN74HC155N --: Equivalent 74HC155 dual 2-to-4 decoder/demultiplexer; DIP package option useful when board layout allows through-hole substitution.

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