BU74HC series

BU74HC is a series of CMOS ICs characterized by low voltage and low power consumption. BU74HC series is available in standard DIP and MF (mini-flat) packages. BU74HC series are some features as follows. First is low power consumption. The second is wide supply voltage range which is from 2 to 6 V. Then is high input impendance. Next is high fan-out. The fifth is capable of directly driving LS-TTL10. The last one is high speed.

What comes next is about the absolute maximum ratings of BU74HC series (Ta=25). The VCC (supply voltage) is from -0.5 to 7.0 V. The VIN (input voltage) is from 0.5 to VCC+0.5 V. The VOUT (output voltage) is from -0.5 to VCC+0.5 V. The IIN (input current) is ±20 mA. The IOUT (output current) is ±25 mA. The ICC (circuit current) is ±50 mA. The Pd (power dissipation) is 500 mW. The Tstg (storage temperature) is from -65 to 150. Then is about the recommended operation conditions (Ta=25). The VCC (supply voltage) is from 2.0 to 6.0 V. The VIN,VOUT (input,output voltage) is from 0 to VCC V. The Top (operating temperature) is from -40 to +85. The tr,tf (output rise time, fall time) is -500 ns.

The following is about the electrical characteristics/DC characteristics of BU74HC series. The minimum IIN (input current) is -0.1A, the typical is 0.00001A and the maximum is 0.1A when VCC=6.0 V, VIN=VCC or GND. The maximum ICC (power consumption) is 4A when VCC=6.0 V, VIN=VCC or GND. The minimum VOH (output high voltage) is 1.9 V and the typical is 1.998 V at VCC=2.0 V, VIN=VIH or VIL. The minimum VOH (output high voltage) is 4.4 V and the typical is 4.499 V at VCC=4.5 V, VIN=VIH or VIL. The minimum VOH (output high voltage) is 5.9 V and the typical is 5.999 V at VCC=6.0 V, VIN=VIH or VIL.