TC74VHC139

The TC74VHC139 is an advanced high speed CMOS 2-to-4 LINE DECODER/DEMULTIPLEXER 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.

Features of the TC74VHC139 are:(1)high speed:tpd=5.0ns(typ.)at Vcc=5V; (2)low power dissipation:Icc=4A(Max.)at Ta=25; (3)power down protection is provided on all inputs; (4)balabced propagation delays :tplhtphl; (5)wide operating voltage range:Vcc(opr)=2V~5.5V; (7)pin and function compatible with 74ALS139(8)High noise immunity:Vnih=Vnil=28%Vcc(Min.).

The absolute maximum ratings of the TC74VHC139 can be summarized as:(1)supply voltage range:-0.5~7.0V; (2)dc input voltage:-0.5~7.0V; (3)dc output voltage:-0.5~Vcc+0.5V; (4)input diode current:-20mA; (5)output diode current:±20mA; (6)dc output current:±25mA; (7)dc Vcc/ground current:±70mA; (8)power dissipation :180mW; (9)storage temperature:-65~150.If you want to know more information such as the electrical characteristics of TC74VHC139, please download the datasheet in www.seekic.com or www.chinaicmart.com.