SGiard Member Jan 14, 2010 #1 Does anyone have the datasheet or simply the pinout for this (very obsolete) chip? I have looked everywhere on the Internet to no avail.... Thanks
Does anyone have the datasheet or simply the pinout for this (very obsolete) chip? I have looked everywhere on the Internet to no avail.... Thanks
hotwaterwizard Active Member Jan 14, 2010 #2 You are right this one is hard to find info on. MM7317BN Digital Clock - 4/6-Digit Multifunction Clock National Semiconductor Osc. Freq (Hz)=5.0k Nom. Supp (V)=30 Package=DIP Pins=N/A Technology=MOS Heathkit Part# 443-989 MM7317 Real Time Clock This is pin compatible with EA7317b Electronics Projects Vol. 9, Volume 9 By EFY Enterprises Pvt Ltd Electronics Projects Vol. 9 Page 94 Google Books Electronics Projects Vol. 9 Page 95 Google Books Last edited: Jan 14, 2010
You are right this one is hard to find info on. MM7317BN Digital Clock - 4/6-Digit Multifunction Clock National Semiconductor Osc. Freq (Hz)=5.0k Nom. Supp (V)=30 Package=DIP Pins=N/A Technology=MOS Heathkit Part# 443-989 MM7317 Real Time Clock This is pin compatible with EA7317b Electronics Projects Vol. 9, Volume 9 By EFY Enterprises Pvt Ltd Electronics Projects Vol. 9 Page 94 Google Books Electronics Projects Vol. 9 Page 95 Google Books
SGiard Member Jan 15, 2010 #3 Thank you very much... The article you suggested to me refers to the MM5387 that differs by only one pin. I found the datasheet of that chip very easily...
Thank you very much... The article you suggested to me refers to the MM5387 that differs by only one pin. I found the datasheet of that chip very easily...