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SN74LS279A from TI,Texas Instruments

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SN74LS279A

Manufacturer: TI

Quad /S-/R latches

Partnumber Manufacturer Quantity Availability
SN74LS279A TI 21 In Stock

Description and Introduction

Quad /S-/R latches The SN74LS279A is a quad S-R latch manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** S-R Latch (Set-Reset)  
- **Number of Circuits:** 4  
- **Output Type:** Standard  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Propagation Delay Time (tpd):** Typically 15ns  
- **Power Dissipation:** 32mW (typical)  
- **Package Options:** 16-pin PDIP, SOIC  

### **Descriptions:**  
The SN74LS279A contains four independent S-R latches with active-low inputs. Each latch features two set (S) inputs and one reset (R) input, allowing flexible logic operations. The outputs respond to input changes when enabled, maintaining state when inputs are inactive.  

### **Features:**  
- **Quad S-R Latches:** Four independent latches in one package.  
- **Multiple Set Inputs:** Each latch has two active-low set inputs (S1, S2) and one active-low reset input (R).  
- **High-Speed Operation:** Low propagation delay for efficient performance.  
- **TTL-Compatible:** Works with standard TTL logic levels.  
- **Wide Operating Voltage:** Supports standard 5V logic systems.  
- **Low Power Consumption:** Suitable for battery-operated devices.  

This latch is commonly used in digital systems for data storage, signal synchronization, and control applications.

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