TC74VHC161

The TC74VHC161 and 163 are advanced high speed CMOS SYNCHRONOUS PRESETTABLE 4BIT BINARY COUNTERs fabricated with silicon gate C2MOS technology.They achieve the high speed operation similar to equivalent bipolar schottky TTL while maintaining the CMOS low power dissipation.

Features of the The TC74VHC161 and 163 are:(1)high speed:fMAX=184MHz(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 74ALS161/163;(8)High noise immunity:Vnih=Vnil=28%Vcc(Min.).

The absolute maximum ratings of the The TC74VHC161 and 163 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:±50mA; (8)power dissipation :180mW; (9)storage temperature:-65~150.If you want to know more information such as the electrical characteristics of TC74VHC161, please download the datasheet in www.seekic.com or www.chinaicmart.com.