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SNJ54LS137J from TI,Texas Instruments

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SNJ54LS137J

Manufacturer: TI

3-Line To 8-Line Decoders/Demultiplexers With Address Latches

Partnumber Manufacturer Quantity Availability
SNJ54LS137J TI 22 In Stock

Description and Introduction

3-Line To 8-Line Decoders/Demultiplexers With Address Latches The SNJ54LS137J is a Schottky-clamped, high-speed TTL (Transistor-Transistor Logic) decoder/demultiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Function:** 3-to-8 Line Decoder/Demultiplexer  
- **Operating Voltage:** 4.5V to 5.5V  
- **Operating Temperature Range:** -55°C to +125°C (Military-grade)  
- **Package Type:** Ceramic DIP (Dual In-line Package)  
- **Pin Count:** 16  
- **Propagation Delay:** Typically 15 ns  
- **Input Current (High):** 20 µA (max)  
- **Input Current (Low):** -0.36 mA (max)  
- **Output Current (High):** -0.4 mA (max)  
- **Output Current (Low):** 8 mA (max)  

### **Descriptions and Features:**  
- Decodes a 3-bit binary input into one of eight mutually exclusive outputs.  
- Can function as a demultiplexer with an enable input acting as the data line.  
- Schottky-clamped for improved speed and reduced power consumption.  
- Active-low outputs for easy interfacing with other logic circuits.  
- Three enable inputs (two active-low, one active-high) for flexible control.  
- Designed for high-reliability applications, including military and aerospace.  

This device is part of TI’s 54-series, which is qualified for extended temperature and harsh environments.

Application Scenarios & Design Considerations

3-Line To 8-Line Decoders/Demultiplexers With Address Latches

Alternative Part Number

  • 74LS137N --: Same 3-to-8 decoder/demultiplexer function with input latches, standard commercial temperature range, widely available and pin-compatible in DIP package.
  • CD74HCT137E --: HCT-family equivalent decoder/demultiplexer with latched inputs, TTL-compatible inputs, direct functional replacement in DIP package.
  • MC74LS137N --: LS-family 3-to-8 decoder with latched address inputs, same logic function and DIP pinout, suitable drop-in alternative.

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