SN74LS19A - Hex Schmitt-Trigger Inverters

Each circuit functions as a NAND gate or inverter, but because of the Schmitt action, it has different input threshold levels for positive-going (V_T+) and for negative-going (V_T-) signals. The hysteresis or backlash, which is the difference between the two threshold levels (V_T+ - V_T-), is typically 800 millivolts.

These circuits are temperature-compensated and can be triggered from the slowest of input ramps and still give clean, jitter-free output signals.

 

Products containing the "SN74LS19A" keyword are: SN74LS19AD , SN74LS19AD , SN74LS19ADE4 , SN74LS19ADG4 , SN74LS19ADG4 , SN74LS19ADR , SN74LS19ADR , SN74LS19ADRG4 , SN74LS19AN , SN74LS19AN , SN74LS19ANE4 , SN74LS19ANG4 , SN74LS19ANS , SN74LS19ANSE4 , SN74LS19ANSR , SN74LS19ANSR , SN74LS19ANSRG4

• Functionally and Mechanically Identical to 'LS13, 'LS14, and 'LS132, Respectively
• Improved Line-Receiving Characteristics
• P-N-P Inputs Reduce System Loading
• Excellent Noise Immunity with Typical Hysteresis of 0.8 V