why ICS starts with 74

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why ICS starts with 74..

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

why ICS starts with 74..

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

why ICS starts with 74..

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

why ICS starts with 74..

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

why ICS starts with 74..

Answer / pragadesh

74 indicates temperature range of ics

Is This Answer Correct ?

0 Yes

7 No

why ICS starts with 74..

Answer / amit thakur02

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

why ICS starts with 74..

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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