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SN54LS137J from TI,Texas Instruments

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SN54LS137J

Manufacturer: TI, TM

3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS WITH ADDRESS LATCHES

Partnumber Manufacturer Quantity Availability
SN54LS137J TI, TM 13050 In Stock

Description and Introduction

3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS WITH ADDRESS LATCHES The SN54LS137J is a part manufactured by Texas Instruments (TM). Here are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
Texas Instruments (TM)  

### **Specifications:**  
- **Part Number:** SN54LS137J  
- **Type:** 3-to-8 Line Decoder/Demultiplexer  
- **Logic Family:** LS (Low-Power Schottky)  
- **Technology:** TTL (Transistor-Transistor Logic)  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** -55°C to +125°C (Military-grade)  
- **Package:** Ceramic DIP (Dual In-line Package)  
- **Pin Count:** 16  
- **Output Type:** Active-Low  
- **Propagation Delay:** Typically 15ns (max 30ns)  
- **Power Dissipation:** Typically 45mW  

### **Descriptions:**  
The SN54LS137J is a high-speed 3-to-8 line decoder/demultiplexer with three binary select inputs (A0, A1, A2) and an enable input (G1, G2A, G2B). It decodes a 3-bit binary input into one of eight mutually exclusive active-low outputs.  

### **Features:**  
- **Decoding Function:** Converts 3-bit input to 8-line output.  
- **Demultiplexing Capability:** Can be used as a 1-to-8 demultiplexer with the enable input as the data line.  
- **Schottky Clamped:** Ensures high-speed operation.  
- **Multiple Enable Inputs:** Allows for easy expansion (G1 active-high, G2A and G2B active-low).  
- **Military Temperature Range:** Suitable for harsh environments.  
- **Ceramic Package:** Provides durability for industrial/military applications.  

This information is strictly based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS WITH ADDRESS LATCHES

Alternative Part Number

  • CD74HC137E --: High-speed CMOS 3-to-8 line decoder/demultiplexer with latched inputs, functionally similar to the LS137 and available in a DIP package.
  • MC74HC137N --: CMOS 3-to-8 decoder/demultiplexer with latched address inputs, pin-compatible replacement for the 54LS137 function in many designs.
  • SN74HCT138N --: Widely available 3-to-8 line decoder/demultiplexer in DIP; lacks the latched inputs but is a common drop-in for decoding functions when latching is not required.
  • DM54LS137J --: Direct functional equivalent 3-to-8 line decoder/demultiplexer with input latches in the same LS TTL family, widely available military-grade part.
  • M54LS137B --: Pin-compatible LS-series 3-to-8 decoder/demultiplexer with latched inputs, suitable drop-in replacement for the SN54LS137J.
  • 74LS137N --: Same LS137 decoder/demultiplexer function in a commercial DIP package; electrically compatible for non-military applications.

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