Is there a standard for power pins in ICs families ?

Status
Not open for further replies.

Externet

Advanced Member level 2
Joined
Jan 29, 2004
Messages
579
Helped
28
Reputation
58
Reaction score
29
Trophy points
1,308
Location
Mideast US
Activity points
5,677
Which families of integrated circuits have a standard (+) power at pin 14 and (-) at pin 7 ?
Or there is no such 'family' rule ? Is there any documentation that mandated such standard to manufacturers ?
 

There used to be "mostly" common pinouts in the
74xx / 54xx logic, where Gnd was the lower left
(7, 8, 10) and Vcc was the upper right (14, 16, 20)
but I recall seeing some that put the supply pins
at the center of each side (not common, but once
or twice).

8-pin DIP op amps often followed a similar scheme
but again, occasional "sports".

I think the scheme developed "organically" back in
the primordial DTL ooze, and newcomers had no
real choice but to fall in line (or no socket-stealing
for you, Mr. Upstart).
 

Status
Not open for further replies.

Similar threads

Menu
Log in
Register
Cookies are required to use this site. You must accept them to continue using the site. Learn more…