Hi everyone.
This ought to be easy, but I've been searching through old IC handbooks for days now without success.
I think the date code is the /P211 part. I think it's old because the logo is one of National's older ones, plus the I.C. belonged to my dad. Most of his electronics buying stopped in the 1970's.
Anyone know what a National 1789 I.C. is?
Thanks for your help,
Jeff
This ought to be easy, but I've been searching through old IC handbooks for days now without success.
I think the date code is the /P211 part. I think it's old because the logo is one of National's older ones, plus the I.C. belonged to my dad. Most of his electronics buying stopped in the 1970's.
Anyone know what a National 1789 I.C. is?
Thanks for your help,
Jeff