Overview
The SN74LS266NS, produced by Texas Instruments, is a quadruple 2-input exclusive-NOR (XNOR) gate integrated circuit. This device features four independent 2-input XNOR gates with open-collector outputs, making it compatible with TTL (Transistor-Transistor Logic) and DTL (Diode-Transistor Logic) input and output logic levels. The SN74LS266NS is available in several package formats, including SOIC-14 and PDIP-14, catering to various design and application needs.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | VCC | 4.75 | 5 | 5.25 | V |
| Input Voltage | VI | 0 | 7 | V | |
| Power Dissipation | PD | 500 | mW | ||
| Operating Temperature | TA | 0 | 70 | °C | |
| Storage Temperature | TS | -65 | 150 | °C | |
| Propagation Delay Time (A or B to Y) | tPLH/tPHL | 25/60 | ns | ||
| Output Current (IOL) | 8 | mA |
Key Features
- Integrates 4 mutually independent 2-input XNOR gates with open-collector outputs.
- Fully compatible with TTL/DTL input and output logic levels.
- Available in SOIC-14 and PDIP-14 package formats.[
- Operating voltage range: 4.75V to 5.25V.[
Applications
- Digital logic drivers.[
- Industrial control applications.[
- Other application areas where XNOR logic is required.[
Q & A
- What is the SN74LS266NS? The SN74LS266NS is a quadruple 2-input exclusive-NOR gate integrated circuit produced by Texas Instruments.
- What are the package options for the SN74LS266NS? It is available in SOIC-14 and PDIP-14 package formats.
- What is the operating voltage range of the SN74LS266NS? The operating voltage range is from 4.75V to 5.25V.
- What is the maximum output current (IOL) of the SN74LS266NS? The maximum output current (IOL) is 8 mA.
- What are the typical propagation delay times for the SN74LS266NS? The typical propagation delay times are 25 ns and 60 ns for tPHL and tPLH, respectively.
- Is the SN74LS266NS compatible with TTL and DTL logic levels? Yes, it is fully compatible with TTL/DTL input and output logic levels.
- What are the storage temperature limits for the SN74LS266NS? The storage temperature limits are from -65°C to 150°C.
- What are some common applications of the SN74LS266NS? Common applications include digital logic drivers and industrial control applications.
- What is the maximum power dissipation of the SN74LS266NS? The maximum power dissipation is 500 mW.
- Is the SN74LS266NS recommended for new designs? No, it is not recommended for new designs as it is marked as NRND (Not Recommended for New Designs) by Texas Instruments.
