UPD4991A PDF File
| Part Number | UPD4991A |
| Manufacturer | NEC |
| Description | 4-BIT PARALLEL I/O CALENDAR CLOCK |
| Features | • Time (hour, minute, and second) and calendar (leap year, year, month, day, and date) counters • Leap year can be auto... |
| Published | Apr 17, 2005 |
| Datasheet |
UPD4991A PDF File
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