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why ICS starts with 74
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Answer / deepa s
in ic7432 74 indicates 7active pins in the pin diagram of
the circuit and 4indicates 4gates on this pin diagram.last
two digits indicates ic code of the circuit.
| Is This Answer Correct ? | 13 Yes | 12 No |
Answer / rajbharath
ic s are having dual line package.... there a side u can see
7 pins in each side....and 4 gates are in the ic. so the ic
numbers starts from 74.......
| Is This Answer Correct ? | 9 Yes | 9 No |
Answer / anandkumar m k
Not every IC's start with 74, we have 7805,7905, etc. In
case of IC 74 series, we can see that the pin 4 and 7 are
supplied -Vcc and +Vcc supplied respectively. And most
importantly this convention is not the case in every IC
that first two number denotes the power supply pins.
| Is This Answer Correct ? | 5 Yes | 8 No |
Answer / peddapalli saikumar
some ics r there wich starts with 78 and 79 series.
eg: in 7805 the 78 is a symbol for +ve voltage and 05 is a indiction of voltage quantity,
in 7905 the 79 indicates the -ve coffecient and 05 represent the voltage level...
in the case of 74 series, the voltage level is applied in between these 2 pins.
| Is This Answer Correct ? | 2 Yes | 6 No |
ICS starts with 74 because the power supply is provided to
pin no 7 & 4 .that why it is called 74 ICS
| Is This Answer Correct ? | 5 Yes | 13 No |
Answer / deepak
Because the power supply is connected on pin 4,7 of the 74
series Ics.
| Is This Answer Correct ? | 14 Yes | 23 No |
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