[Free] Old Data Books (Australia)

Brent Hilpert hilpert at cs.ubc.ca
Wed Sep 5 15:43:21 CDT 2007


Chuck Guzis wrote:
> 
> On 5 Sep 2007 at 12:48, woodelf wrote:
> 
> > I don't use 4 bit latches.  No problem for me :)
> > Other than the 4 bit adder 7486 I can't think of any common
> > chips with middle supply pins.
> 
> If your designs are old enough, there are a bunch.  7441 = BCD to
> 7-segment gas tube driver.  7492, 7493 = 4 bit counter, 7473 = dual JK
  ^^^^^^^^^ <pedantic> 7441=nixie tube driver </pedantic>
> FF, 7476 = dual JK FF and almost all of the other "non-7400" TTL
> stuff, such as the MC400, 500, 2000, etc. series.

(For me, the 7473 always seemed to stand out as the oddball pinout as the chip
was so common.)

> It seems to me that there was one oddball case of a 74L series chip
> having a different pinout that the 74 "vanilla" flavor.  Anyone
> remember?

The 74L86 quad XOR pinout differs from that of 7486, also 'L85/'85, 'L93/'93, 'L95/'95.



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