Part Number
|
UPD4990A |
Manufacturer
|
NEC |
Description
|
SERIAL I/O CALENDAR & CLOCK CMOS LSI |
Published
|
Apr 17, 2005 |
Datasheet
|
UPD4990A PDF File
|
Features
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•
•
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Built-in counters for time (hour, minute, and second) and date (year, month, day, and week) Leap years are adjusted automatically.Data is represented in BCD notation (except months in hexadecimal notation) and input/output serially.Comm...
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