W74IE20X

Features of the W74IE20X are:(1)operating voltage is 2.4V to 5.5V;(2)crystal or RC oscillation circuit can be selected by the code option;(3)both in crystal or RC ocillator operation mode,high-fequency (400 KHz to 4 KHz) or low-frequency (32.768 KHz) oscillation must be determined by the code option;(4)memory;(5)21 input/output pins;(6)power down mode;(7)seven types of interrupts;(8)MFP output pin;(9)built in 14-bit clock frequency divider circuit;(10)two built in 8-bit programmable countdown timers;(11)built-in 18/14-bit watchdog timer selectable for system reset;(12)powerful instruction set is 118 instructions;(13)8-level subroutine(include interrupt) nesting.

The absolute maximum ratings of the W74IE20X can be summarized as:(1):the parameter is supply voltage to ground potential,the rating is -0.3 to +7.0,the unit is V;(2):the parameter is applied input/output voltage,the rating is -0.3 to +7.0,the unit is V;(3):the parameter is power dissipation,the rating is 120,the unit is mW;(4):the parameter is ambient operating temperature,the rating is 0 to +70,the unit is ;(5):the parameter is storage temperature,the rating is -55 to +150,the unit is .