TC74VHCT14AF

The TC74VHCT14AF is designed as an advanced high speed CMOS schmitt inverter fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to equivalent bipolar schottky TTL while maintaining the CMOS low power dissipation.

TC74VHCT14AF has seven features. (1)It has high speed which would be 5.0ns typ at Vcc=5V. (2)Low power dissipation which means Icc=2uA max at Ta=25°C. (3)Compatible with TTL inputs which would be 0.8V max for low level and 2.0V min for high level. (4)Power down protection is provided on all inputs and outputs. (5)Balanced propagation delays. (6)Low noise which means Volp=0.8V max. (7)Pin and function compatible with the 74 series 14 type. Those are all the main features.

Some absolute maximum ratings of TC74VHCT14AF have been concluded into several points as follow. (1)Its supply voltage range would be from -0.5V to 7.0V. (2)Its DC input voltage would be from -0.5V to 7.0V. (3)Its DC output voltage would be from -0.5V to 7.0V. (4)Its input diode current would be -20mA. (5)Its output diode current would be +/-20mA. (6)Its DC output current would be +/-25mA. (7)Its DC Vcc/ ground current would be +/-50mA. (8)Its power dissipation would be 180mW. (9)Its storage temperature range would be from -65°C to 150°C. It should be noted that stresses above those listed in absolute maximum ratings may cause permanent damage to device.

Also some DC characteristics of TC74VHCT14AF at Vcc=4.5V are concluded as follow. (1)It positive threshold voltage would be max 1.9V. (2)Its negative threshold voltage would be min 0.5V. (3)Its hysteresis voltage would be min 0.4V. (4)Its high level output voltage would be min 4.4V and typ 4.5V at Ioh=-50uA and would be min 3.94V at Ioh=-8mA. (5)Its low level output voltage would be typ 0 and max 0.1V ai Iol=50uA and would be max 0.36V at Iol=8mA. (6)Its input leakage current would be max +/-0.1uA. (7)Its quiescent supply current would be max 2.0uA. (8)Its output leakage current would be max 0.5uA. And so on. If you have any question or suggestion or want to know more information of TC74VHCT14AF please contact us for details. Thank you!