Overview
The SN54LS266J is a quad 2-input exclusive NOR gate integrated circuit produced by Texas Instruments. It belongs to the LS-TTL (Low-Power Schottky Transistor-Transistor Logic) family, designed for high-speed and low-power applications. This product is ideal for digital logic systems, offering reliable performance in industrial, automotive, and consumer electronics. Its unique selling points include low power consumption, high noise immunity, and compatibility with a wide range of logic families.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Quad 2-Input Exclusive NOR Gate | - | - |
| Supply Voltage (VCC) | 4.75 to 5.25 | V | Standard TTL voltage range |
| Operating Temperature | -55 to 125 | °C | Military-grade temperature range |
| Propagation Delay | 15 | ns | Typical value at 5V |
| Power Dissipation | 10 | mW | Per gate, typical |
| Input Current | 0.36 | mA | Max at low input |
| Output Current | 8 | mA | Max at high output |
| Package Type | J | - | Ceramic DIP |
Key Features
- Low Power Consumption: Ideal for battery-powered and energy-efficient applications.
- High Noise Immunity: Ensures reliable operation in noisy environments.
- Wide Operating Temperature Range: Suitable for harsh industrial and automotive conditions.
- Compatibility: Works seamlessly with other TTL and CMOS logic families.
- Compact Design: Quad gate configuration saves board space.
Applications
The SN54LS266J is widely used in various digital logic applications, including:
- Industrial Automation: Control systems and signal processing.
- Automotive Electronics: Engine control units and sensor interfaces.
- Consumer Electronics: Digital appliances and entertainment systems.
- Communication Systems: Signal conditioning and logic operations.
- Military and Aerospace: Rugged and reliable logic solutions for extreme conditions.
Q & A
1. What is the logic function of the SN54LS266J?
The SN54LS266J performs the exclusive NOR (XNOR) logic function for two input signals.
2. What is the operating voltage range for this IC?
The operating voltage range is 4.75V to 5.25V, typical for TTL logic.
3. Is the SN54LS266J suitable for high-temperature environments?
Yes, it operates in a temperature range of -55°C to 125°C, making it suitable for harsh conditions.
4. What is the typical propagation delay of this IC?
The typical propagation delay is 15 nanoseconds at 5V.
5. Can this IC be used with CMOS logic families?
Yes, it is compatible with CMOS logic families when proper level shifting is applied.
6. What is the power dissipation per gate?
The power dissipation per gate is typically 10mW.
7. What package type does the SN54LS266J use?
It is available in a ceramic DIP (Dual In-line Package) format.
8. Is this IC RoHS compliant?
The SN54LS266J is not RoHS compliant as it is a military-grade component.
9. What is the maximum output current?
The maximum output current is 8mA at high output.
10. Where can I find the datasheet for this IC?
The datasheet can be found on the official Texas Instruments website or authorized distributors like Digi-Key or Mouser.
