Part number:
UPD4990A
Manufacturer:
NEC
File Size:
129.98 KB
Description:
Serial i/o calendar & clock cmos lsi.
Datasheet Details
UPD4990A Features
* 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. Commands can b
Datasheet Details
UPD4990A
NEC
129.98 KB
Serial i/o calendar & clock cmos lsi.
UPD4990A Distributor
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