SC73C1402 4-BIT MCU FOR REMOTE CONTROLLER(MASK TYPE) DESCRIPTION SC73C1402 is one of Silan’ s 4-bit CMOS single-chip microcontrollers for infrared remote control transmitters (IRCTs).
It can be implemented in various IRCT circuits by mask option.
SOP-20-300-1.
27 FEATURES * Operating voltage range: (2.
0 ~ 4.
0V) Low static power consumption (1uA) * Program memory: 2Kx 9 bits The last 1K areas can also be used as data table * Data memory (RAM): 16 x 4 bits * Timer/counter: 10~15 bits * 20 I/O ports, where there is a 4-bit input, two 4-bit outputs and two 4-bit programmable input/output ports(P53 is output but not used as keypress).
* Oscillator frequency (fosc): 300KHz~2MHz or 2MHz~6MHz selec...

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