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KC8IDG > TECH 01.03.01 22:24l 17 Lines 944 Bytes #-9071 (0) @ WW
BID : 5346_N8SUV
Read: DK1ZZ GUEST OE7FMI
Subj: BCD CLOCK CHIP INFO NEEDED/PINOUT
Path: DB0ZKA<DB0FSG<DB0PV<DB0ISW<OE7XBB<OE2XUM<OE5XBL<OE3XSR<OK0PPL<OK0POK<
9A0YRB<HA5OB<HA3PG<WB0TAX<N8SUV<N8SUV
Sent: 010301/1044Z @:N8SUV.#SEMI.MI.USA.NOAM #:5346 [Fenton Mi.] FBB7.00g25
From: KC8IDG@N8SUV.#SEMI.MI.USA.NOAM
To : TECH@WW
BACK IN THE 70-80'S THEY MADE A CLOCK CHIP THAD PUT OUT EITHER DECIMAL OR
BCD FOR A READOUT, I CAME ACROSS THE CHIPS BUT DO NOT KNOW WHICH ONE IT
IS..I DONT HAVE I-NET HOOKUP SO THIS IS MY ONLY MEANS OF FINDING THE
INFO, THE MASTER IC BOOK THAT GETS UPDATED I GUESS PUSSHES OUT THE
NO-LONGER IN USE STUFF,ANYWAY HERE ARE SOM CLOCK CHIP NUMBERS:
MM5034,MM5036,MM5016,MM5054N,MM5055N,MM5058,MM5060AD/N,MM5061N,MM5123,MM52
03Q,MM5204Q,MM5213,MM5230,MM5233,MM5240AA-1/N,MM5257N-3,MM5260M,
MM5621D,MM5262N,MM5269N,MM5270D,MM5271D,MM5280D,MM5290J-3,
MM5290N-2,MM5298N-4A,MM5303N,MM5307A/D,MM5307A/N,MM5312,MM5312N,
MM5322N,MM5340AB/N,MM5341N,MM5347N,MM5357B/N,MM5371N,MM5395,MM5395N
THATS IT, I THINK IT MAY BE THE MM5340AB/N OR IN THAT AREA OF MM5357B/N...
ALL HELP WOULD BE GREAT...I WANT TO REBUILD A BCD LED CLOCK BUT DONT WANT
TO USE PIC STUFF....73 KEVIN KC8IDG@N8SUV.#SEMI.MI.USA.NOAM
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