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SNJ54LS279AJ from TI,Texas Instruments

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SNJ54LS279AJ

Manufacturer: TI, TM

Quadruple /S-/R Latches

Partnumber Manufacturer Quantity Availability
SNJ54LS279AJ TI, TM 1150 In Stock

Description and Introduction

Quadruple /S-/R Latches The SNJ54LS279AJ is a quad S-R latch manufactured by Texas Instruments (TM). Here are the key specifications, descriptions, and features from Ic-phoenix technical data files:

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

### **Part Number:**  
SNJ54LS279AJ  

### **Description:**  
The SNJ54LS279AJ is a quad S-R (Set-Reset) latch with active-low inputs. It is part of the 54LS series, designed for military and high-reliability applications with extended temperature ranges.  

### **Key Features:**  
- **Quad S-R Latches:** Contains four independent S-R latches in a single package.  
- **Active-Low Inputs:** Each latch has active-low Set (S̅) and Reset (R̅) inputs.  
- **Complementary Outputs:** Provides both true (Q) and complemented (Q̅) outputs for each latch.  
- **High-Speed Operation:** Part of the LS (Low-Power Schottky) family, offering improved speed and power efficiency.  
- **Wide Operating Voltage:** Typically operates at **4.5V to 5.5V**.  
- **Military-Grade:** Designed for harsh environments with extended temperature range (**-55°C to +125°C**).  
- **Package Type:** Ceramic DIP (Dual In-line Package).  

### **Applications:**  
- Data storage and transfer in digital systems.  
- Control logic in military and aerospace applications.  
- High-reliability industrial systems.  

This information is strictly based on factual specifications from the manufacturer. Let me know if you need further details.

Application Scenarios & Design Considerations

Quadruple /S-/R Latches

Alternative Part Number

  • 74LS279N --: Same quad S-R latch function in a standard DIP package; commercial temperature grade replaces the military J-grade part.
  • MC74LS279N --: Pin-compatible quad S-R latch from another vendor with equivalent LS logic characteristics.
  • SN74LS279N --: Commercial-grade version of the same latch family, functionally equivalent with wider availability.
  • 54LS279AJ --: Same 54LS279 quad S-R latch function in a J-lead ceramic DIP package, direct functional and pin-compatible replacement.
  • DM54LS279J --: Equivalent 54LS279 quad latch from a different series prefix, same LS TTL logic family and ceramic DIP footprint.
  • M54LS279AJ --: Military-grade 54LS279 latch with matching logic function and package, suitable as a drop-in alternative.

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