SN74S140NSR

Inverter Gates Overview

The SN74S140NSR is a dual 4-input positive-NAND gate with 50-Ohm line drivers manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range from 0°C to +70°C. The device utilizes Schottky TTL logic technology for high-speed performance. It is housed in a 14-pin SOIC surface-mount package, designed for efficient signal processing in digital logic applications requiring specific drive capabilities.

Inverter Gates Feature Summary

• Integrates two independent 4-input positive-NAND gates
• Features dedicated 50-Ohm line driver outputs
• Utilizes Schottky TTL technology for enhanced switching speed

Inverter Gates Applications

• High-speed digital logic circuits
• Signal buffering and line driving applications
• Data transmission systems requiring impedance matching

Inverter Gates Procurement Notes

Verify the exact suffix 'SR' indicates the reel packaging format when sourcing. Confirm the manufacturer is Texas Instruments to ensure component authenticity. Check the datasheet for specific pinout configurations and electrical characteristics relevant to your design requirements before finalizing procurement decisions.

Inverter Gates Selection Notes

Select this component when designing circuits that require dual 4-input NAND functionality combined with specific 50-Ohm output impedance characteristics. Ensure the system operates within the specified 4.5 V to 5.5 V voltage range. Consider the SOIC-14 package constraints for PCB layout and thermal management during the selection process.

Inverter Gates Part Context

This part belongs to the SN74S series, representing Schottky TTL logic family components known for improved speed over standard TTL. The SN74S140 variant specifically addresses applications needing both logical inversion and line driving capabilities in a compact surface-mount form factor, distinguishing it from standard logic gates without integrated drivers.

Inverter Gates Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify pin compatibility and electrical specifications against alternative parts. Ensure any substitute maintains the required 50-Ohm drive capability and Schottky logic performance levels.