Overview
The SN74LS266 is a quadruple 2-input exclusive-NOR gate integrated circuit produced by Texas Instruments. This component is part of the 74LS series, known for its low power consumption and compatibility with most TTL circuits. The SN74LS266 is designed to perform logical operations and is particularly useful in digital comparator applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC, PDIP, CDIP, CFP |
| Pins | 14 |
| Operating Temperature Range (°C) | 0 to 70 (commercial), -55 to 125 (military) |
| Supply Voltage | 2V to 6V |
| Propagation Delay | 23 ns @ 6V, 50 pF |
| Low Level Output Current (Sink) | 5.2 mA |
| Logic Family | TTL |
| Number of Gates | 4 |
| Inputs per Gate | 2 |
| Output Type | Open-Collector |
Key Features
- Can be used as a 4-bit digital comparator.
- Input clamping diodes simplify system design.
- Fully compatible with most TTL circuits.
- Open-collector outputs permit tying outputs together for multiple-bit comparisons.
Applications
- Digital comparators and equality detectors.
- Logic circuits requiring exclusive-NOR operations.
- Systems needing low power consumption and TTL compatibility.
- Industrial and military applications due to its wide operating temperature range.
Q & A
- What is the SN74LS266 used for?
The SN74LS266 is used as a quadruple 2-input exclusive-NOR gate and can be used as a 4-bit digital comparator.
- What are the key features of the SN74LS266?
The key features include input clamping diodes, full compatibility with most TTL circuits, and open-collector outputs.
- What is the operating temperature range of the SN74LS266?
The operating temperature range is 0 to 70°C for commercial versions and -55 to 125°C for military versions.
- What is the supply voltage range for the SN74LS266?
The supply voltage range is 2V to 6V.
- How many gates are included in the SN74LS266?
The SN74LS266 includes four independent 2-input exclusive-NOR gates.
- What type of outputs does the SN74LS266 have?
The SN74LS266 has open-collector outputs.
- Is the SN74LS266 RoHS compliant?
- What are the typical propagation delays for the SN74LS266?
The typical propagation delay is 23 ns at 6V and 50 pF load.
- Can the outputs of the SN74LS266 be tied together?
- What are some common applications of the SN74LS266?
