Black FridaySave 10% On Orders Over $50 - Use Offer Code BFNOW

IC D1990AC Serial I/O Calendar and Clock CMOS LSI

You may also like:
DS12887+ DS12887+
277258VP 277258VP
DS1307N+ DS1307N+
DS1210 DS1210
DS1302 DS1302
DS1307+ DS1307+

$6.95 ea

690 ship on Nov. 30

  • Jameco Part no.: 2291583
  • Manufacturer: NEC Corporation
  • Manufacturer no.: D1990AC
  • HTS code: 8541500040
    • Electronics Parts Locator
  • This item is discontinued and is not
    recommended for new designs.
# of units Price
1+ $6.95
10+ $6.25
100+ $4.95

Request a Large Quantity Quote

Serial Input Output Calendar and Clock CMOS LSI DIP-14

This CMOS integrated circuit has a clock function which has been designed with the intent of connecting to a microcomputer. This IC counts independently the month, date, day of the week, hour, minute and is able to have the output and input of these time data freely upon command from the microcomputer.


  • Timekeeping (hours, minutes and seconds) and calendar (months, date and day of the week)
  • Reference frequency is 32.768 kHz, which is generated by a crystal oscillator circuit

Report a problem
Suggest a product
Specification Value
Supplier PackageDIP-14

Report a problem
Suggest a product