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SN54LS266J from TI,Texas Instruments

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SN54LS266J

Manufacturer: TI, MOT

QUAD 2-INPUT EXCLUSIVE NOR GATE
Partnumber Manufacturer Quantity Availability
SN54LS266J TI, MOT 520 In Stock

Description and Introduction

QUAD 2-INPUT EXCLUSIVE NOR GATE The SN54LS266J is a quad 2-input exclusive-NOR gate manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Quad 2-Input Exclusive-NOR (XNOR) Gate  
- **Technology:** LS (Low-Power Schottky)  
- **Supply Voltage (VCC):** 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:** 14  
- **Propagation Delay (Typical):** 15 ns  
- **Power Dissipation (Per Gate):** 10 mW (Typical)  
- **Input Current (Max):** 0.36 mA  
- **Output Current (High/Low):** -0.4 mA / 8 mA  

### **Descriptions and Features:**  
- Contains four independent 2-input XNOR gates.  
- Performs the logical function **A ⊙ B** (A XNOR B).  
- Low-power Schottky (LS) technology ensures reduced power consumption.  
- Designed for high-speed operation with minimal propagation delay.  
- Military-grade reliability for harsh environments.  
- Compatible with TTL (Transistor-Transistor Logic) inputs and outputs.  

This device is commonly used in digital logic circuits, arithmetic operations, and error detection systems.

Application Scenarios & Design Considerations

QUAD 2-INPUT EXCLUSIVE NOR GATE

Alternative Part Number

  • MC74LS266N --: Quad 2-input XNOR gate with open-collector outputs in the same LS logic family, functionally equivalent to the SN54LS266 with a different series prefix.
  • DM74LS266N --: Direct functional equivalent quad XNOR gate with open-collector outputs, widely available and pin-compatible in DIP package.
  • 74LS266PC --: Same LS266 XNOR open-collector function from a different manufacturer series, suitable as a drop-in logic replacement.
  • DM54LS266J --: Same 54LS-series quad 2-input XNOR gate with open-collector outputs in a ceramic DIP, directly pin-compatible and functionally equivalent.
  • MC54LS266J --: Motorola's own 54LS266 in ceramic DIP package, identical logic function and pinout, suitable as a drop-in replacement.
  • 74LS266N --: Commercial-temperature equivalent quad 2-input XNOR with open-collector outputs; electrically similar but only for applications not requiring the military temperature range.

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