LC7461M ic equivalent, infrared remote control transmitter ic.
. The custom code consists of 7 bits to be fixed by the .
on-chip ROM and 6 bits being pin-settable. Sixty-four custom codes may be selected externally (no diode require.
Pin Name VDD, VSS KO0 to KO7 Pin No. 8, 12 13 to 20 Output Input/Output Internal Equivalent Circuit Pin Function Power supply pins VSS = GND Key scan timing signal output pins
KI0 to KI3
1 to 4
Input
Keys return signal entry pins Input/output pin.
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