perhaps you have a 74290 or other 7429x chip-
the last digit being obscured. Also with 14pins is
the 74295
regards
h
74290
4-bit asynchronous decade counter with /2 and /5 sections, set(9) and reset.
+----------+
SET1 |1 +--+ 14| VCC
|2 13| RST2
SET2 |3 74 12| RST1
Q2 |4 290 11| /CLK1
Q1 |5 10| /CLK0
|6 9| Q0
GND |7 8| Q3
+----------+
[This information is part of the GIICM]
> FWIW
>
> I checked the '76 TI TTL Databook, 1980 and 1984 IC Masters and it's not listed in any of them.
>
> Joe
>
> At 10:52 AM 12/23/02 -0500, you wrote:
> >
> >Tom -
> >
> >Who manufactured your 7429s? I am also having difficulty in finding any info on them. Right now I cannot locate my early "DATA" book on ICs, but that should have it. Everything else skips right over 7429. Knowing the manufacturer may help as I have a lot of the early TTL manufacturers manuals. Happy Holidays - Mike
> >
> >
> >
> >
> >Mike B. Feher, N4FS
> >89 Arnold Blvd.
> >Howell NJ, 07731
> >(732) 901-9193
> >
> >
> > ----- Original Message -----
> > From: Tom Kwasniewski
> > To: classiccmp_at_classiccmp.org
> > Sent: Monday, December 23, 2002 11:42 AM
> > Subject: Re: Need help identifying a MOSTEK chip
> >
> >
> > I cannot find the 7429 in any TTL data books but I have a couple of dozen. They are 14 pin and I would like to know also so I could use them.
> >
> > Tom K.
> >
> >Attachment Converted: "C:\EUDORA\Attach\7429.htm"
> >
>
>
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