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Notice that the numeric positions have their own bits to fill
mainly used in washing machines
we get the red light intensity
When the parallel load input (PL) is LOW the data from D0 to D7 isloaded into the shift register asynchronously
74HC138 (3 to 8 Line Decoder- Demultiplexer) Barrel Jack Notice that the numeric positionsIntroduction : The 74HC138 decodes three binary weighted address inputs (A0, A1 and A2) toeight mutually exclusive outputs (Y0 to Y7). The device features three enable inputs (E1, E2 andE3). Every output will be HIGH unless E1 and E2 are LOW and E3 is HIGH. This multiple enablefunction allows easy parallel expansion to a 1 of 32 (5 to 32 lines) decoder with just four '138 ICsand one inverter. 74HC138 can be used as an eight output demultiplexer by
US$ 42.00
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